ISRC DEF058302052
Verified recording
DEF058302052 is “The Nutcracker Suite, Op. 71a (Arr. Economou for 2 Pianos): IIa. March” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x1f1f3febd5ed1813bb9b36e14b605d2b5b43a26bf09e8c58e8a90a46c6c3aa5a and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058302052.
Recording identifiers
- ISRC
- DEF058302052
- Title
- The Nutcracker Suite, Op. 71a (Arr. Economou for 2 Pianos): IIa. March
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x1f1f3febd5ed1813bb9b36e14b605d2b5b43a26bf09e8c58e8a90a46c6c3aa5a
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:90135421ceba1e30a8beff8a852fed4d1880fc6612b6f67cf84948e1e8dec9fd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058302052
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Nutcracker Suite, Op. 71a (Arr. Economou for 2 Pianos): IIa. March · Machine-readable JSON-LD