Disengage

Recording by Peter Brötzmann.

Recording identifiers

ISRC
GBAWA9870215
CopyrightID (CopyrightChains transaction hash)
0x48c550f4869d1482cd52a6fbfbfea78ae3ecfb2445ca0bbc055e084156da2f9c
Copyright registration time
2026-07-07T06:18:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:24df507b188ca7e1233e08c2bb872de862889624e95a048fd1dc80789012499c

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.