Cóncavo Y Convexo

Recording by Fernando Villalona.

Recording identifiers

ISRC
USDBB0680286
CopyrightID (CopyrightChains transaction hash)
0xf047e25b7b1b19821cdfa31c4470bdb675393523b96cd0944c854e32d9ec1c54
Copyright registration time
2026-06-08T02:10:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:eb4ad701886a1fb45cc4c4dd48d0c7ae0dd4c0a797fedaefdc92d5542f8d120c

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.