Blues de la Piedad

Recording by Pedro Aznar.

Recording identifiers

ISRC
ARA430800021
CopyrightID (CopyrightChains transaction hash)
0x031a48c75df0cebfbfffa997eca88ff4e8943a1d1f42271acc1500d2666c037b
Copyright registration time
2026-06-24T20:31:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:25e4ce9fe0563e18a0526fdaddfe9698b7022401c7ba47c3923e98d6fdad952c

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.