RFC 3161 verification: OK
Authority: http://timestamp.digicert.com
Signed time: 2026-11-08T05:47:31+00:00
Manifest SHA-256: ee4c33aca2f53681b052c9cde39a82ee91b7ca8f93fa9afd8c082d412e31b989

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 - ee 4c 33 ac a2 f5 36 81-b0 52 c9 cd e3 9a 82 ee   .L3...6..R......
    0010 - 91 b7 ca 8f 93 fa 9a fd-8c 08 2d 41 2e 31 b9 89   ..........-A.1..
Serial number: 0xBD061526D15528748611A2F5CF37C355
Time stamp: Nov  8 05:47:31 2026 GMT
Accuracy: unspecified
Ordering: no
Nonce: 0x38211465BA74651C
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.