RFC 3161 verification: OK
Authority: http://timestamp.digicert.com
Signed time: 2026-11-11T02:16:57+00:00
Manifest SHA-256: cc802cafddd28bd0ded58c4e6aa7ec78d62548684092252ad3ce369a40891d54

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 - cc 80 2c af dd d2 8b d0-de d5 8c 4e 6a a7 ec 78   ..,........Nj..x
    0010 - d6 25 48 68 40 92 25 2a-d3 ce 36 9a 40 89 1d 54   .%Hh@.%*..6.@..T
Serial number: 0xD875B0A4AB20C0239E7C49C2B92EE79F
Time stamp: Nov 11 02:16:57 2026 GMT
Accuracy: unspecified
Ordering: no
Nonce: 0xE8553C88A362FFF3
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.