4L

Recording by Pi’erre Bourne.

Recording identifiers

ISRC
USUM72012077
CopyrightID (CopyrightChains transaction hash)
0x37daa8c186a7430d2d93915df229836da77a1d577d0b858bd45e5b1c1a3c3123
Copyright registration time
2026-06-06T11:04:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:0ec6e5215c08df9b228f21c3c8133d5749ba6f06eb5146730352329861dd5183

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.