ISRC USSM19200755
Verified recording
USSM19200755 is “Cello Sonata in G Minor, Op. 65: III. Largo” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xd13ffa900ca937684ff6b7f95ee44b56a6de525c04ea369bb282f800d9fcf173 and independently timestamped
in Bitcoin block 960144 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19200755.
Recording identifiers
- ISRC
- USSM19200755
- Title
- Cello Sonata in G Minor, Op. 65: III. Largo
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xd13ffa900ca937684ff6b7f95ee44b56a6de525c04ea369bb282f800d9fcf173
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:9d86417c43c3cb65d562947adf6e8c52461580fee6fda56c6bb001bc664713da- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSM19200755
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Cello Sonata in G Minor, Op. 65: III. Largo · Machine-readable JSON-LD