Doble Cara

Recording by BOCI.

Recording identifiers

ISRC
UKXN22289702
CopyrightID (CopyrightChains transaction hash)
0xa2f8c4c4520d7700e0658ee8266395ec47c8e9b9dfdb9b5b6f481945dd66f493
Copyright registration time
2026-06-20T14:06:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:c2709a2dd2da4a4b741148f6a6786fb6d7df6842fb1bb47c6041999cf3cbfac5

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.