If I Laugh - Demo Version

Recording by Yusuf / Cat Stevens.

Recording identifiers

ISRC
USUG10801187
CopyrightID (CopyrightChains transaction hash)
0x120fe7f84a88a20a342fa6c84194676361fe63ff8b1d88dc3417b4a054b411ad
Copyright registration time
2026-06-19T03:32:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:3c63ea34ee956c9f41a3676a4ed4962ffaba910b17823a63fa5004d96eefa716

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.