Carcassi Op.60 N.4 Allegretto

Recording by Matteo Carcassi.

Recording identifiers

ISRC
ITTA11200004
CopyrightID (CopyrightChains transaction hash)
0x92c4ba66efdf377e98a304e38ddd9549176601add2df9bcb6fdb0910ecdcbb68
Copyright registration time
2026-06-11T12:27:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:be54e64f6508cb8227f38caf5e1ac3b0db235e1b1a737ad8d1e95087512ad592

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.