ISRC DEF059303231
Verified recording
DEF059303231 is “Sonata For 2 Pianos And Percussion, Sz. 110: 1. Assai lento” by Béla Bartók,
registered on the CopyrightChains blockchain with CopyrightID
0xce3c5f2d0af88966c39277c9069c9044130dbf51e9c688bdf99fc580bb1b3318 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/DEF059303231.
Recording identifiers
- ISRC
- DEF059303231
- Title
- Sonata For 2 Pianos And Percussion, Sz. 110: 1. Assai lento
- Artist
- Béla Bartók
- CopyrightID (CopyrightChains transaction hash)
0xce3c5f2d0af88966c39277c9069c9044130dbf51e9c688bdf99fc580bb1b3318
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T21:09:47+00:00
- Bitcoin block
- 960144
- Canonical record hash
sha256:ae2a0c2410122fdb1099fda257b06b4fe98df7266b48aa16a6d172f899b57dd1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059303231
- Bitcoin block existence check
- https://blockstream.info/api/block/960144
Full record
Track page: Sonata For 2 Pianos And Percussion, Sz. 110: 1. Assai lento · Machine-readable JSON-LD