Side 2, Pt. 1: Sum

Recording by Pink Floyd.

Recording identifiers

ISRC
GBN9X1400166
CopyrightID (CopyrightChains transaction hash)
0xae65451e1d04782e3f89ab686d08f3a59e8c6a278b408deed314761d9fed5d86
Copyright registration time
2026-06-05T06:32:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:34316f1f68cb17f964bbb73fbb880440525938b74427a8b1a8df7fd461a5208b

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.