Opium

Recording by Jacques Dutronc.

Recording identifiers

ISRC
FRZ088700210
CopyrightID (CopyrightChains transaction hash)
0x035e59dbe2ec68585ad1387f3dbb5c21bf881dcba8e5d1cddf1b94b33699827d
Copyright registration time
2026-06-18T19:59:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:81ebd34ba0cee90370f58a3c7ab768ddb08538ed8b2c789d547e2d33cd8dddb4

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.