Once

Recording by El Cousteau.

Recording identifiers

ISRC
TCAFP2181173
CopyrightID (CopyrightChains transaction hash)
0x4ca341262bfe7e5d4209312d87ecedc9e1db8ce8f06379d09d67e21e7e452bfe
Copyright registration time
2026-06-20T10:57:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:d0d703b2c3444a543a7a6e63544aaf977852fcbc9bba2504a8448f17e37ed388

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.