Obertura de Lezao

Recording by Tomás San Miguel.

Recording identifiers

ISRC
ES5121000826
CopyrightID (CopyrightChains transaction hash)
0x918e1c2ac3d5b437bfa108a6927e8b204d702e62664fb48e608f92f37a4099a7
Copyright registration time
2026-07-07T23:01:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:8acdc1345536fffd0be6f2a9607dc4f5a9a51b31ff4b6e760870a4f10bcae683

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.