Lesson No. 7

Recording by Clock Opera.

Recording identifiers

ISRC
GBUM71106421
CopyrightID (CopyrightChains transaction hash)
0xef6f68f0723b3477ef4bd0af06abc5dd4fb5ed33c1fb76f1246b1af92f9e6593
Copyright registration time
2026-07-30T21:48:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T22:27:30Z
Bitcoin block
960321
Canonical record hash
sha256:a53b367e24981fd98cedd192c4dc8bea5c3ddb16ac0ab949d9f8482e36356e29

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.