Adios Madre Querida

Recording by Polo Urias Y Su Maquina Norteña.

Recording identifiers

ISRC
QMSAV1100438
CopyrightID (CopyrightChains transaction hash)
0x245a1d5ace141ebf92919604847e6aa6f707058debe6989bbb91067d8824c9c5
Copyright registration time
2026-06-18T06:35:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:7cf6555b25a4a1d88fc887dc68b444f0517019d4d895cc810932635150346e25

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.