Une chaise pour deux

Recording by Demi Portion.

Recording identifiers

ISRC
FR0U91402699
CopyrightID (CopyrightChains transaction hash)
0xf6d25ffb7d122079663c28434b0f9bee855e99f9b9af9a90a926f9a74c273f7f
Copyright registration time
2026-06-20T02:28:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:a1ef2300b568092e31ddf3a5dc47bf4971a999394296d4e873fba00f9c37fd9a

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.