Devoir simple

Recording by Arm & Hässlich.

Recording identifiers

ISRC
DEZC62387512
CopyrightID (CopyrightChains transaction hash)
0x57ccaf558bdaeac7c3242f642dbc6c3487c75b4999097ca9eb57055c2ce9d611
Copyright registration time
2026-07-30T23:20:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:8a0b9cc0cef3be37776b90315dd058ba4d2690b0966275089a688606becc0e23

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.