RFC 3161 verification: OK
Authority: http://timestamp.digicert.com
Signed time: 2026-11-07T04:16:54+00:00
Manifest SHA-256: 4d9571465bb571e397a6fabcc50e2576f4a7445b4db4340ff312039459d30b01

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 - 4d 95 71 46 5b b5 71 e3-97 a6 fa bc c5 0e 25 76   M.qF[.q.......%v
    0010 - f4 a7 44 5b 4d b4 34 0f-f3 12 03 94 59 d3 0b 01   ..D[M.4.....Y...
Serial number: 0x538EDFD882D618F8789B3E6B9C642F24
Time stamp: Nov  7 04:16:54 2026 GMT
Accuracy: unspecified
Ordering: no
Nonce: 0x6243787C2A62E775
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.