Violin Sonata No. 3: II. Allegro

Recording by Charles Ives.

Recording identifiers

ISRC
DEN960902752
CopyrightID (CopyrightChains transaction hash)
0x8d995ecda19a2abba20c4c440dd19fa34d007cd0eb7c2e235c2f75c797cbca82
Copyright registration time
2026-07-07T15:09:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:d175c98c619075ee1ead12189f739940964951b3f1c599e6533ce5da28ac8660

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.