Borrón y cuenta nueva

Recording by Ulises Bueno.

Recording identifiers

ISRC
QMBZ91727127
CopyrightID (CopyrightChains transaction hash)
0x1b075279b79a221f3609ba29cfe7352cdda84a3700147c8b898b3a6c7aab530f
Copyright registration time
2026-06-20T06:10:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:361f5b1848848981bbbacad5ffcd6fb006354fcbf17bd9a2066af3cc23fe09aa

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.