La Puntada

Recording by Polo Urias Y Su Maquina Norteña.

Recording identifiers

ISRC
QZDQH1909664
CopyrightID (CopyrightChains transaction hash)
0xbf0cd08803bba9d27c3551304a1376e45e9f929fa34d519a449f6a3269cfb06a
Copyright registration time
2026-06-08T23:39:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:5ff02c81b36ed3b4f9359eb0d86dec33d0b2654d602b0e3d5c35fc5df5aa3597

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.