Pato Trabaja en una Carnicería

Recording by Ulises Butrón.

Recording identifiers

ISRC
QMFME1522823
CopyrightID (CopyrightChains transaction hash)
0xba9d317e370359fa5ef09ff243313c348c91203cf5da99fb473c055e1576c747
Copyright registration time
2026-07-31T19:57:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T20:22:46Z
Bitcoin block
960459
Canonical record hash
sha256:6c9188a6e0cc4bffce8753f5be60827bfcc6ee58d484aa6c6586e3c4d7a6e704

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.