Fantasie No. 4

Recording by Laurencini of Rome.

Recording identifiers

ISRC
FR46Y2257211
CopyrightID (CopyrightChains transaction hash)
0x0334634f6f0fcc44b1ac5d1a96e151a2afc1422eb27562d781a6296c09c40e10
Copyright registration time
2026-07-31T03:39:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T04:14:58Z
Bitcoin block
960344
Canonical record hash
sha256:8737bc705db08628ebf2e6956b55c267d8e6c40f35b2026ef5ae85b7921eead3

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.