library.suss.edu.sg
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:9c:09:30:5e:4c:85:bf:bb:69:91:1c:22:cd:30:7e:56:56 was issued on by Let's Encrypt.
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We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=library.suss.edu.sg
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:9c:09:30:5e:4c:85:bf:bb:69:91:1c:22:cd:30:7e:56:56Serial Number (int): 314433121229767650545249232485846561478230
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: d8:34:94:14:1b:fd:42:4d:b9:a5:80:8b:aa:94:cf:c1:19:3e:fe:cd
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): d3:a4:79:5f:f3:10:17:5f:7f:f1:20:67:06:99:c9:7d:36:1e:0f:43
Fingerprint (sha256): 67:bf:f6:8c:53:04:de:58:b8:5a:1b:aa:78:98:69:f3:bf:a3:e1:0d:ce:f5:b8:95:55:bf:d0:81:44:f2:d9:0d
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate library.suss.edu.sg
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for library.suss.edu.sg
Public Key Algorithm
RSA
Key Size
4096
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
library.suss.edu.sg
Other certificates including the domain name suss.edu.sg
(limited to 100 certificates)
webmail.suss.edu.sg
lifelongconnect.suss.edu.sg
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infotalks.suss.edu.sg
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www.suss.edu.sg
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prod.suss.edu.sg
portal.suss.edu.sg
ialmembership.suss.edu.sg
portal.suss.edu.sg
*.suss.edu.sg
careers.suss.edu.sg
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infotalks.suss.edu.sg
library.suss.edu.sg
sussopencert.suss.edu.sg
webmail.suss.edu.sg
*.suss.edu.sg
*.sim.edu.sg
library.suss.edu.sg
www.suss.edu.sg
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barium.suss.edu.sg
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canvas.suss.edu.sg
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careers.suss.edu.sg
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barium.suss.edu.sg
infotalks.suss.edu.sg
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sts.suss.edu.sg
Certificate
The complete raw certificate details for library.suss.edu.sg in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGXzCCBUegAwIBAgISA5wJMF5Mhb+7aZEcIs0wflZWMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA5MDIwMjQwMDZaFw0x OTEyMDEwMjQwMDZaMB4xHDAaBgNVBAMTE2xpYnJhcnkuc3Vzcy5lZHUuc2cwggIi MA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQDuR1Wjfs6XmCkKBhPxZqI8DtR7 m2U5d4uG8YamVdjMTIeU4+xbdWXR2sJzIW4C1zSXqk7nInMcQSbc0FbtI1qQr5JJ wB2iQPCToEvQEYo6DOeaa8onla13TzXdfz97VlONjQA3w1Q/YNp3H3mc/silWERk Y+V0HmXt+YgmcqYFS95MlFWhJPmNe8+FHuaDgRgjpE9NlOS6n/IC8fC6AGldICkj Lz9FQ2dnCs9cofGezXeUwnq5XLptfB80RtWU0Qd6ENd67gdkFkLgZ0YWOVJky2eM es1NqFzbwxyl75KbrkTcKnEO0hdUTsBI+avjs+usk6r+T9j9dR00x4aQcIOVOmW+ AE4ZblDK525hO02YtaXDrza3iCEu8jTZdogcqk3vP9OYldczEoYyDLaPxD/ras9d ObaqdrvacQlUYoG0xE1yhNrAxkz/1/PZEtPSF3VJUC4qxZqsY9OtR8gphniwsXZG 9anCEiUc2oegugUKF28vRpBtU/+fQfbR1ZYFjaCxVYerSnMNrkpWjk8qE1hyD+K2 7PVFfkiDdlRkjRXXlRCSEIRtavZMTHGkg9DmdqCUMGH2F5OQukoyf4lMU2ZJCR/n /Y/CqknOKESjH+dn5a+eeD6JTgIbjuDFCteXRwvHfNWdC2TtAUTiPpU58ONM8A0f GUS0NL7VsfVczdk5FQIDAQABo4ICaTCCAmUwDgYDVR0PAQH/BAQDAgWgMB0GA1Ud JQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQW BBTYNJQUG/1CTbmlgIuqlM/BGT7+zTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObem RWXv86jsoTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3Nw LmludC14My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0 LmludC14My5sZXRzZW5jcnlwdC5vcmcvMB4GA1UdEQQXMBWCE2xpYnJhcnkuc3Vz cy5lZHUuc2cwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAm BggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEE AdZ5AgQCBIH2BIHzAPEAdgB0ftqDMa0zEJEhnM4lT0Jwwr/9XkIgCMY3NXnmEHvM VgAAAWzwDu6DAAAEAwBHMEUCIE44NhEWiI/jU/6JO6E4smnPUeTaMxoQi8doDzHa y0maAiEA/JLdXu+KESS9vp+j7jOYsq+Rycm0FhfIzWNoMPzJqn0AdwBj8tvN6DvM LM8LcoQnV2szpI1hd4+9daY4scdoVEvYjQAAAWzwDu6fAAAEAwBIMEYCIQDHKN/D 75XRe/smTy0+IbORPK66JVopA7+NvLsvslQACgIhAOcv2WqhD5C5C42jDk8zvUW7 G7kcQaEcDj9F05eMGD3LMA0GCSqGSIb3DQEBCwUAA4IBAQBLbU4jvmkq3nr/VJ73 9m201UY/MAbeNMOOPqxpkGtYCqFzDQVlvqqcooLIhP8Y0TN4fnCCgo/BRD3UkA4M TbWXutLznjPKOVVB5R7GSwO6gWTHBiHVbsyTle1UDzJuY7m8DJBDfcZNKgcTYyaC aTFPrvDT/S/Edm6qjfzoFDe9FZPWTd4MsJORwXHlbn5EYQHLutWEsw37h2ciJRAF MLXPvpCgJfvIs3/n8wLZsd25iobrfMJMgda3D9XXtvsTHJTDpJT9bw7jyS8uolsk F0x6ksn8ghx2vyb4x59XKwsTIICvLPQytD1WkHViX3LzwwPcprRRDwtrlBVa9mLj PTtl -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA7kdVo37Ol5gpCgYT8Wai PA7Ue5tlOXeLhvGGplXYzEyHlOPsW3Vl0drCcyFuAtc0l6pO5yJzHEEm3NBW7SNa kK+SScAdokDwk6BL0BGKOgznmmvKJ5Wtd0813X8/e1ZTjY0AN8NUP2Dadx95nP7I pVhEZGPldB5l7fmIJnKmBUveTJRVoST5jXvPhR7mg4EYI6RPTZTkup/yAvHwugBp XSApIy8/RUNnZwrPXKHxns13lMJ6uVy6bXwfNEbVlNEHehDXeu4HZBZC4GdGFjlS ZMtnjHrNTahc28Mcpe+Sm65E3CpxDtIXVE7ASPmr47PrrJOq/k/Y/XUdNMeGkHCD lTplvgBOGW5QyuduYTtNmLWlw682t4ghLvI02XaIHKpN7z/TmJXXMxKGMgy2j8Q/ 62rPXTm2qna72nEJVGKBtMRNcoTawMZM/9fz2RLT0hd1SVAuKsWarGPTrUfIKYZ4 sLF2RvWpwhIlHNqHoLoFChdvL0aQbVP/n0H20dWWBY2gsVWHq0pzDa5KVo5PKhNY cg/ituz1RX5Ig3ZUZI0V15UQkhCEbWr2TExxpIPQ5naglDBh9heTkLpKMn+JTFNm SQkf5/2PwqpJzihEox/nZ+Wvnng+iU4CG47gxQrXl0cLx3zVnQtk7QFE4j6VOfDj TPANHxlEtDS+1bH1XM3ZORUCAwEAAQ== -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 314433121229767650545249232485846561478230 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-02 02:40:06 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-01 02:40:06 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'library.suss.edu.sg' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 972092083016148880017614929119322401907059687649884755306581825918888343276715128525060297311043263009492907302142955179841385357243268917454437103723386451788414597408579111356036868107323513015431633668619910678298122642982995009042655511828750672300073794228479245025464520049580069779078456049720351637596580514114963807131148821729509196113073836853644632171044616811711277254012973908051859851156292674490257293432117119278359686695548365303037702402651966322128952770570509352944498592379366021967048098737824365767990564372578736958251761140504567200718823932879343213989389180694997749251621564926678479652142984481708343818038996496455751847213200735342710141573330147142723975772565731133765996816648620664920819409803496610587322901889755978953303549935099235165079849767464523626007478218580901951578404945372678747090514937368316347872191572488539375022897493724593328113999703039623187147021567118560047814941905107993032371162433042658339259496399404491424462722569666793131477660680555889913045782924442628825106709638360620129159253174725380933658428200996596710005621837248283634570878330322964728312195447382388594786751138640340188277046057593761852828192222959145277295611138458875176514474512224072800264599829 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) d83494141bfd424db9a5808baa94cfc1193efecd . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (23 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'library.suss.edu.sg' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016cf00eee83000004030047304502204e38361116888fe353fe893ba138b269cf51e4da331a108bc7680f31dacb499a022100fc92dd5eef8a1124bdbe9fa3ee3398b2af91c9c9b41617c8cd636830fcc9aa7d00770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016cf00eee9f0000040300483046022100c728dfc3ef95d17bfb264f2d3e21b3913caeba255a2903bf8dbcbb2fb254000a022100e72fd96aa10f90b90b8da30e4f33bd45bb1bb91c41a11c0e3f45d3978c183dcb . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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