ISRC DEE862300361
Verified recording
DEE862300361 is “The Nutcracker March Variation (From The Nutcracker, Op. 71/TH 14, Arr. for Piano by Svetoslav Karparov)” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x5902d57be188a542ca0f4292766dc82a3244e69d2a9e5bc3f6cb2c210811c550 and independently timestamped
in Bitcoin block 960212 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE862300361.
Recording identifiers
- ISRC
- DEE862300361
- Title
- The Nutcracker March Variation (From The Nutcracker, Op. 71/TH 14, Arr. for Piano by Svetoslav Karparov)
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x5902d57be188a542ca0f4292766dc82a3244e69d2a9e5bc3f6cb2c210811c550
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T05:43:45+00:00
- Bitcoin block
- 960212
- Canonical record hash
sha256:e4e89bb322c2ed865668d964fc12ab659a325c978b10c658a47c37ad198b49e8- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE862300361
- Bitcoin block existence check
- https://blockstream.info/api/block/960212
Full record
Track page: The Nutcracker March Variation (From The Nutcracker, Op. 71/TH 14, Arr. for Piano by Svetoslav Karparov) · Machine-readable JSON-LD