Ballad For Arthur

Recording by Jack Bruce.

Recording identifiers

ISRC
GBAKW0201505
Release date of the album this recording appears on
1970
CopyrightID (CopyrightChains transaction hash)
0xcf83d7217f9ea4cd9ff46a852ec7c7379b2b04a50729e36c29b944ae4f01a22b
Copyright registration time
2026-07-31T05:33:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:48:18Z
Bitcoin block
960354
Canonical record hash
sha256:88811bdd9b0a386884ec560ed20338e1421bdd01a81673e153397d05df2d1fa6

What this proof establishes

This recording was released in 1970, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.