Trio (Les contes d´Hoffmann)

Recording by Roger Bourdin.

Recording identifiers

ISRC
ATP130000424
CopyrightID (CopyrightChains transaction hash)
0x0e9ed9a842170af0a7f28d216c1121e9f763d60b6a18a55dd59bb947c12eec22
Copyright registration time
2026-07-31T01:25:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:d07ff1889d2df42ac74cbcc90185047be77bd9ea10741ee46c1ec9486df6efc9

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.