A Puro Dolor

Recording by Luis Figueroa.

Recording identifiers

ISRC
USSD12000579
CopyrightID (CopyrightChains transaction hash)
0xad49e6a072fafcaf7ec37c715ccaf30a70219ac846bbf3ee0ea4d8fb0e4fac04
Copyright registration time
2026-06-28T02:01:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T16:51:38Z
Bitcoin block
956375
Canonical record hash
sha256:e477b95c682912c8e341ef052a7b44660d01116b00b3ea3cf86ad35522882f5b

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.