Poem

Recording by Jan Hammer.

Recording identifiers

ISRC
USDY41898122
CopyrightID (CopyrightChains transaction hash)
0x5202290bce726522f1d3d1d757404b24ba85eacb3ecf3968fc44e6b34159ad27
Copyright registration time
2026-06-23T02:54:56+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2b56f542851d1ca6c257cc5ba7b71d262a39686d0fdde3d2e8bc5d9b2a223cca

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.