Side 1, Pt. 1: Things Left Unsaid

Recording by Pink Floyd.

Recording identifiers

ISRC
GBN9X1400163
CopyrightID (CopyrightChains transaction hash)
0x800b06a559b87e4693a71204ad0eb7df135efd6e07b232fe11395f2ab946326d
Copyright registration time
2026-06-04T14:53:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:38769a1c5ed5bd5f87d56b90f7191452bc94d3132f19954efbb6f733d2560fd5

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.