Opium

Recording by Daniel Bélanger.

Recording identifiers

ISRC
CAA509912326
CopyrightID (CopyrightChains transaction hash)
0x3253cf73b23c968112ffa8ed031f3c923fb35367de7fb937cd3f7e1f91461f4b
Copyright registration time
2026-07-30T18:44:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T19:11:09Z
Bitcoin block
960296
Canonical record hash
sha256:b06b64735fcd19fc1673b505fa6edb82b86f26b17ac092ed6938fab9abf55deb

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.