Piano Sonata in G Minor, V.105: V. Finale

Recording by Guillaume Lekeu.

Recording identifiers

ISRC
NLY332301384
CopyrightID (CopyrightChains transaction hash)
0x206ad1617ec6a44009be86fbe65abf3c0a31aff0a970eadd041f9de74cfeb233
Copyright registration time
2026-07-07T12:37:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4b346a15211d350e300e8b9674842f83fda5777de317f3a0770bda519e145430

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.