Cancion De Cuna

Recording by María Villalón.

Recording identifiers

ISRC
ES5020700574
CopyrightID (CopyrightChains transaction hash)
0xe79f9ead2495724f8f95656292823e6b17b68d9976c319110d739efd263a2e92
Copyright registration time
2026-07-31T05:42:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:49:18Z
Bitcoin block
960355
Canonical record hash
sha256:041fe747db9968b2e9c3fb4e4dcc97fef0ae1d46474ea98e591b7b9d0a51268e

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.