25 Études, Op. 60: No. 3, Andantino

Recording by Matteo Carcassi.

Recording identifiers

ISRC
ITE011900043
CopyrightID (CopyrightChains transaction hash)
0x8ff1389a324d266a082a866f0606aedd524e2d62e8e0f4d3255ee6664e60cba8
Copyright registration time
2026-07-31T18:15:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:c5cefa53a1085c9ed02faead1e8a6173e53e4e371ae7ffda6f53d4ae50756c09

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.