El Café de María y el Baile de Celso

Recording by Al Quetz.

Recording identifiers

ISRC
FR3Y92100005
CopyrightID (CopyrightChains transaction hash)
0x6d9a464462c17df49bede3ac056c92319caf51fbe671a5ca60450f5adebc7d88
Copyright registration time
2026-07-07T01:00:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c3d0d91e6d73d972ededb0b13c0e50748123b379daa57612537850325f09a506

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.