ISRC GBAYC9300792
Verified recording
GBAYC9300792 is “Wienawski: Polonaise de concert in D Major, Op. 4” by Henryk Wieniawski,
registered on the CopyrightChains blockchain with CopyrightID
0x43155935a7112558a6b4e2b2a1eb42a0f649c1369e9277913e1c04f492508bb5 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9300792.
Recording identifiers
- ISRC
- GBAYC9300792
- Title
- Wienawski: Polonaise de concert in D Major, Op. 4
- Artist
- Henryk Wieniawski
- CopyrightID (CopyrightChains transaction hash)
0x43155935a7112558a6b4e2b2a1eb42a0f649c1369e9277913e1c04f492508bb5
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:257a61058dfcaa463681fa63a734ff584da28348c768b7830f78c451ca5aa564- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9300792
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: Wienawski: Polonaise de concert in D Major, Op. 4 · Machine-readable JSON-LD