ISRC GBAYC9401716
Verified recording
GBAYC9401716 is “String Quartet No. 2, 'Intimate Letters': III. Moderato” by Leoš Janáček,
registered on the CopyrightChains blockchain with CopyrightID
0xcce93806c83c0fc63b2ec4f1cfc76833357d3ac1ecefd68985faa76520404fd4 and independently timestamped
in Bitcoin block 960294 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9401716.
Recording identifiers
- ISRC
- GBAYC9401716
- Title
- String Quartet No. 2, 'Intimate Letters': III. Moderato
- Artist
- Leoš Janáček
- CopyrightID (CopyrightChains transaction hash)
0xcce93806c83c0fc63b2ec4f1cfc76833357d3ac1ecefd68985faa76520404fd4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:46:00+00:00
- Bitcoin block
- 960294
- Canonical record hash
sha256:320e280d0d7056ce384f8929ccf3a2734081694755654a90e919ab5ec2879866- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9401716
- Bitcoin block existence check
- https://blockstream.info/api/block/960294
Full record
Track page: String Quartet No. 2, 'Intimate Letters': III. Moderato · Machine-readable JSON-LD