Maria la o

Recording by David Calzado y su Charanga Habanera.

Recording identifiers

ISRC
FR6V80747937
CopyrightID (CopyrightChains transaction hash)
0x91abfce968ee5d9b96e2517cfe2e472ff1c1d86f773bc9afdbcf59ec2a609b60
Copyright registration time
2026-07-31T12:07:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:0e6b296069142320d9d80f7443bef3156d3474fe23ab0a655cae7d48f58a839a

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.