A Closing

Recording by William Tyler.

Recording identifiers

ISRC
USMRG2073508
CopyrightID (CopyrightChains transaction hash)
0x466e29faf2d6a28f50d55b127473112ed8200815f8d888f414e802fabd84269e
Copyright registration time
2026-06-22T11:53:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:de75b40dc97e4864b3e54e5d9ae4754968596249ba467559940d7abcd104d342

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.