ISRC GBAYC0202181
Verified recording
GBAYC0202181 is “Bartók: String Quartet No. 4 in C Major, Sz. 91: III. Non troppo lento” by Béla Bartók,
registered on the CopyrightChains blockchain with CopyrightID
0xa81c913f6f9dc534cd3980262569fc3013f6fe56bdd08911f1e08bc233299377 and independently timestamped
in Bitcoin block 960368 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0202181.
Recording identifiers
- ISRC
- GBAYC0202181
- Title
- Bartók: String Quartet No. 4 in C Major, Sz. 91: III. Non troppo lento
- Artist
- Béla Bartók
- CopyrightID (CopyrightChains transaction hash)
0xa81c913f6f9dc534cd3980262569fc3013f6fe56bdd08911f1e08bc233299377
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T08:26:41+00:00
- Bitcoin block
- 960368
- Canonical record hash
sha256:d6886fccf3cf4490146b991f61a684d8ffc5485c5a7fa9691234701bc51224eb- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0202181
- Bitcoin block existence check
- https://blockstream.info/api/block/960368
Full record
Track page: Bartók: String Quartet No. 4 in C Major, Sz. 91: III. Non troppo lento · Machine-readable JSON-LD