ISRC GBAJY2316306
Verified recording
GBAJY2316306 is “20 Mazurkas, Op. 50: No. 1, Sostenuto. Molto rubato” by Karol Szymanowski,
registered on the CopyrightChains blockchain with CopyrightID
0x135f8cbdb3364b7b3ad2aa487371271a952769625a7f8350fa0cc1c3433e708a and independently timestamped
in Bitcoin block 960337 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY2316306.
Recording identifiers
- ISRC
- GBAJY2316306
- Title
- 20 Mazurkas, Op. 50: No. 1, Sostenuto. Molto rubato
- Artist
- Karol Szymanowski
- CopyrightID (CopyrightChains transaction hash)
0x135f8cbdb3364b7b3ad2aa487371271a952769625a7f8350fa0cc1c3433e708a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:51:48+00:00
- Bitcoin block
- 960337
- Canonical record hash
sha256:9dff45d287118521bb40246c08c62b1d1d8e7b96da507208f53fd7b170e52192- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY2316306
- Bitcoin block existence check
- https://blockstream.info/api/block/960337
Full record
Track page: 20 Mazurkas, Op. 50: No. 1, Sostenuto. Molto rubato · Machine-readable JSON-LD