The Claim: The Exchange

Recording by Michael Nyman.

Recording identifiers

ISRC
GBF071304050
CopyrightID (CopyrightChains transaction hash)
0x6a71a33f16291849bcf8aa6153d06a35e9ef138c73f8b66a89f1984fd4409fb2
Copyright registration time
2026-06-19T09:05:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:984ddd8c4d839c2b25beb571173135eb02061964eff8f9532227527f3cc43b5b

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.