ISRC GBLWD1305409
Verified recording
GBLWD1305409 is “Harnasie, Op. 55, Tableau 1: III. Marsz zbojnicki (Tenor)” by Karol Szymanowski,
registered on the CopyrightChains blockchain with CopyrightID
0xa531dc752a52c6e4b745ebd20b401fe2bb983dbc9e492d7fb45b21429657e298 and independently timestamped
in Bitcoin block 960264 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1305409.
Recording identifiers
- ISRC
- GBLWD1305409
- Title
- Harnasie, Op. 55, Tableau 1: III. Marsz zbojnicki (Tenor)
- Artist
- Karol Szymanowski
- CopyrightID (CopyrightChains transaction hash)
0xa531dc752a52c6e4b745ebd20b401fe2bb983dbc9e492d7fb45b21429657e298
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T14:36:16+00:00
- Bitcoin block
- 960264
- Canonical record hash
sha256:e56ace909e5fe3d8c6fc302409c0c8241b76f704caca9876c883d23856c7e13b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLWD1305409
- Bitcoin block existence check
- https://blockstream.info/api/block/960264
Full record
Track page: Harnasie, Op. 55, Tableau 1: III. Marsz zbojnicki (Tenor) · Machine-readable JSON-LD