RFC 3161 verification: OK
Authority: http://timestamp.digicert.com
Signed time: 2026-11-07T03:16:57+00:00
Manifest SHA-256: 4335d1a885b4e6fe1bb16fdf844422017f3ab501c8a2cfd2be59f61a9a749182

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 - 43 35 d1 a8 85 b4 e6 fe-1b b1 6f df 84 44 22 01   C5........o..D".
    0010 - 7f 3a b5 01 c8 a2 cf d2-be 59 f6 1a 9a 74 91 82   .:.......Y...t..
Serial number: 0x6276ADDF064B2C1AF917BB1FB875EBCD
Time stamp: Nov  7 03:16:57 2026 GMT
Accuracy: unspecified
Ordering: no
Nonce: 0xE9601432D25C6FEC
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.