RFC 3161 verification: OK
Authority: http://timestamp.digicert.com
Signed time: 2026-11-06T11:32:04+00:00
Manifest SHA-256: 79c9cf3522e2f6e6ca85ade18bddb877b7db3c86ee641d82d362e9e3da069381

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 - 79 c9 cf 35 22 e2 f6 e6-ca 85 ad e1 8b dd b8 77   y..5"..........w
    0010 - b7 db 3c 86 ee 64 1d 82-d3 62 e9 e3 da 06 93 81   ..<..d...b......
Serial number: 0xDFBA03A60DA20DF7DB033618D0374CFB
Time stamp: Nov  6 11:32:04 2026 GMT
Accuracy: unspecified
Ordering: no
Nonce: 0x603A10DA7A01845C
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.