Concerto N° 108

Recording by Guilherme de Sá.

Recording identifiers

ISRC
BR9462100004
CopyrightID (CopyrightChains transaction hash)
0x7b9bd945bb977ff0be7384ce31563967471a4a893ac905241e1fccccb5f5c6a1
Copyright registration time
2026-06-20T01:22:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:8cfc6eda3259675e162c9e919e92f904ba71665c6ba816851e3ac2dcec1b5c5d

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.