Études simples

Recording by Leo Brouwer.

Recording identifiers

ISRC
GBEYQ1854624
CopyrightID (CopyrightChains transaction hash)
0xa82720c5d5ca575fc12b65d90c4d0daa18abab80f485c57dc87af48f48db22b7
Copyright registration time
2026-07-31T14:48:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:83cdb2721980f42fdae08d2eaad8939993055227b8fee8a1ce6bb448af6f096f

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.