Sonata 10a

Recording by Bellerofonte Castaldi.

Recording identifiers

ISRC
FR50X2306621
CopyrightID (CopyrightChains transaction hash)
0x869338c5a8831cd0739ef30d58ecb05a5365f55dd6029e69280cbf8b522a16f9
Copyright registration time
2026-07-30T01:49:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T02:05:19Z
Bitcoin block
960193
Canonical record hash
sha256:698be07a8dfe40471ff8e87b9c46f229df16fa431e549aabb3086fcb2c891776

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.