Deja

Recording by José Maria Napoleón.

Recording identifiers

ISRC
MXUM71500046
CopyrightID (CopyrightChains transaction hash)
0x4c0c48e2323ca8d1473df9a97da0b30d701b1b582e860544e42d7e21dee70e92
Copyright registration time
2026-06-04T15:16:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:22c04f0d26fbb7d6e998988bfccf5e6770f2467757d06dea9aba714c473f979f

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.