RFC 3161 verification: OK
Authority: http://timestamp.digicert.com
Signed time: 2026-11-11T23:16:18+00:00
Manifest SHA-256: 1dc7c270273572f0b88b6529ffb52710d3eded45aa330342c61ebe20d5c42e9b

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 - 1d c7 c2 70 27 35 72 f0-b8 8b 65 29 ff b5 27 10   ...p'5r...e)..'.
    0010 - d3 ed ed 45 aa 33 03 42-c6 1e be 20 d5 c4 2e 9b   ...E.3.B... ....
Serial number: 0xEA04A4AF8791564EE59B992BE35C3528
Time stamp: Nov 11 23:16:18 2026 GMT
Accuracy: unspecified
Ordering: no
Nonce: 0xE6FBE11EDC4C4F84
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.