A Tumba Abierta

Recording by Biznaga.

Recording identifiers

ISRC
USPQM1618906
CopyrightID (CopyrightChains transaction hash)
0xa18d9b44957306e9caaa66e0605d1dbccc90d550aa1fcd851361e7775a55f8af
Copyright registration time
2026-06-18T23:42:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:c28860b6615af5587521cf08b13fa0ea91d0f75b536897818830e23ff77ed51b

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.