Viejo San Diego

Recording by Porfirio Díaz y Su Orquesta Típica.

Recording identifiers

ISRC
QM7281628461
CopyrightID (CopyrightChains transaction hash)
0x950c808a7a074cedde45872012ca9e8b61bf5a1e88610563e1b41ba378552851
Copyright registration time
2026-07-07T16:01:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3eca5814ca84b93d523600c004877ca26c48a5069e5d766ad891c2d3fed7bb42

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.