ISRC DEN962234007
Verified recording
DEN962234007 is “Variations on a Polish Folk Theme, Op. 10: Var. 5. Andantino” by Karol Szymanowski,
registered on the CopyrightChains blockchain with CopyrightID
0x4b73df790e4e226419bcb126ddd711af0f9ecb7567eb30b8812af82fcbe4310c and independently timestamped
in Bitcoin block 960397 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962234007.
Recording identifiers
- ISRC
- DEN962234007
- Title
- Variations on a Polish Folk Theme, Op. 10: Var. 5. Andantino
- Artist
- Karol Szymanowski
- CopyrightID (CopyrightChains transaction hash)
0x4b73df790e4e226419bcb126ddd711af0f9ecb7567eb30b8812af82fcbe4310c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T12:24:41+00:00
- Bitcoin block
- 960397
- Canonical record hash
sha256:19f9d327bc3e557761b527c8311019d57d9d91635d0fb5dfb9674a684e964aaa- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962234007
- Bitcoin block existence check
- https://blockstream.info/api/block/960397
Full record
Track page: Variations on a Polish Folk Theme, Op. 10: Var. 5. Andantino · Machine-readable JSON-LD