Un Sueño Dentro de la Mar

Recording by Tuco Cárdenas.

Recording identifiers

ISRC
USHM91621947
CopyrightID (CopyrightChains transaction hash)
0xf584c5f91d7a8ba1af999cc5e996977035f74caa516c35b29717817560ef4a1a
Copyright registration time
2026-07-30T14:50:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38Z
Bitcoin block
960273
Canonical record hash
sha256:e5b3fd22a69f83f0baec05464dc6bd60cc3ce4f8a4fc3d391db5af921a03a13c

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.