In Flanders Field

Recording by John Jacobson.

Recording identifiers

ISRC
USVZX1111505
CopyrightID (CopyrightChains transaction hash)
0xb71b7c736afca567546d5bc6b55b2ad2cc693fb714bbf409335c0fe2a4d2abaa
Copyright registration time
2026-06-20T04:19:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:6c132b93b8e58f8729a6f287822bd346b01ccfbf55547dc1c055988134e04452

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.