Canción a Una Mujer Desconocida

Recording by David Àlvarez.

Recording identifiers

ISRC
AUMEV2291897
CopyrightID (CopyrightChains transaction hash)
0xbb07b3d8305cab12c523286e9de55309378dddc7238280b91f1e8195f3d4c1aa
Copyright registration time
2026-06-19T14:55:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:54ed8643cb9e670e174125d38793aa7c5570d215cc4de765b6378b2f3cd36262

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.