ISRC GBAYC0703825
Verified recording
GBAYC0703825 is “Bartók: String Quartet No. 4 in C Major, Sz. 91: II. Prestissimo, con sordino” by Béla Bartók,
registered on the CopyrightChains blockchain with CopyrightID
0x0f90b728f43c54594db923c0108cf7f9b921cb1b22ed44566e3b0e7b73b1aac3 and independently timestamped
in Bitcoin block 959144 on 2026-07-22.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0703825.
Recording identifiers
- ISRC
- GBAYC0703825
- Title
- Bartók: String Quartet No. 4 in C Major, Sz. 91: II. Prestissimo, con sordino
- Artist
- Béla Bartók
- CopyrightID (CopyrightChains transaction hash)
0x0f90b728f43c54594db923c0108cf7f9b921cb1b22ed44566e3b0e7b73b1aac3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-22T15:38:35+00:00
- Bitcoin block
- 959144
- Canonical record hash
sha256:07657ec64fd466db80faf3c66e00bc907a8f6e4aea80fab3a3ff6ba141f7589d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0703825
- Bitcoin block existence check
- https://blockstream.info/api/block/959144
Full record
Track page: Bartók: String Quartet No. 4 in C Major, Sz. 91: II. Prestissimo, con sordino · Machine-readable JSON-LD