Sonrisa

Recording by José Luis Montón.

Recording identifiers

ISRC
ES5150562007
CopyrightID (CopyrightChains transaction hash)
0xdb1d12cc7bccbdb81b785f195137f21ff10ee3fd3f43f0a8959cee204c3744ad
Copyright registration time
2026-07-29T22:16:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T22:48:59Z
Bitcoin block
960160
Canonical record hash
sha256:738fd8ad28c57c86c0297ac1dbbbd038f53b581221767cc8fa7d1b4d92dfbb0e

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.