ISRC UK2Y21306933
Verified recording
UK2Y21306933 is “The Nutcracker, Op. 71: Waltz of the Flowers” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x87faf38db0df3c3ce5709d64a911e56133ffde96aa9382083d6b7fc30d32b7b3 and independently timestamped
in Bitcoin block 957073 on 2026-07-07.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21306933.
Recording identifiers
- ISRC
- UK2Y21306933
- Title
- The Nutcracker, Op. 71: Waltz of the Flowers
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x87faf38db0df3c3ce5709d64a911e56133ffde96aa9382083d6b7fc30d32b7b3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-07T18:39:05+00:00
- Bitcoin block
- 957073
- Canonical record hash
sha256:213bebc7f5ccf6af73b415355ce0793b58880744cdf94bc3c8cd79f187b80ec4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21306933
- Bitcoin block existence check
- https://blockstream.info/api/block/957073
Full record
Track page: The Nutcracker, Op. 71: Waltz of the Flowers · Machine-readable JSON-LD