ISRC GBAYC2200137
Verified recording
GBAYC2200137 is “Szymanowski: 12 Kurpian Songs, Op. 58, Book I: No. 4, U jeziorecka” by Karol Szymanowski,
registered on the CopyrightChains blockchain with CopyrightID
0xdc39d494dba9492795581385f77067839f591482c9a9f6f3d1d0415552195fe9 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2200137.
Recording identifiers
- ISRC
- GBAYC2200137
- Title
- Szymanowski: 12 Kurpian Songs, Op. 58, Book I: No. 4, U jeziorecka
- Artist
- Karol Szymanowski
- CopyrightID (CopyrightChains transaction hash)
0xdc39d494dba9492795581385f77067839f591482c9a9f6f3d1d0415552195fe9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:c003315eaeb0abd20c42d46b5b13477e2c794bd8ae34f0ba6ccb43f5cb8a7f96- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2200137
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: Szymanowski: 12 Kurpian Songs, Op. 58, Book I: No. 4, U jeziorecka · Machine-readable JSON-LD