Side A

Recording by Peter Brötzmann.

Recording identifiers

ISRC
US2392100500
CopyrightID (CopyrightChains transaction hash)
0x4258f748fd61f94d123c469495dbbb3f0a04245d9ad337a95a39c33d1e300a6b
Copyright registration time
2026-07-07T19:11:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:859e59f83d377af7c335718bbccbdaa8e0f13338811663de3a36fbb04e959198

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.