RFC 3161 verification: OK
Authority: http://timestamp.digicert.com
Signed time: 2026-11-08T05:47:36+00:00
Manifest SHA-256: 6c4c1a246666daee4a5c69df2723237bfe06bfd7c6952424a2873f85ebf60747

Status info:
Status: Granted.
Status description: unspecified
Failure info: unspecified

TST info:
Version: 1
Policy OID: 2.16.840.1.114412.7.1
Hash Algorithm: sha256
Message data:
    0000 - 6c 4c 1a 24 66 66 da ee-4a 5c 69 df 27 23 23 7b   lL.$ff..J\i.'##{
    0010 - fe 06 bf d7 c6 95 24 24-a2 87 3f 85 eb f6 07 47   ......$$..?....G
Serial number: 0x7F7871E2369CB688BAE28C8A263653EA
Time stamp: Nov  8 05:47:36 2026 GMT
Accuracy: unspecified
Ordering: no
Nonce: 0xCDCF00F486D2D140
TSA: unspecified
Extensions:

Reproduce with OpenSSL:
openssl ts -verify -data manifest.json -in response.tsr -CAfile authority.pem -untrusted chain.pem

Verify authority.pem against the DigiCert Trusted Root G4 published certificate.
This proves existence no later than the signed time, not authorship, accuracy or original publication date.