ISRC DEF059432101
Verified recording
DEF059432101 is “Overtüre (Der Nussknacker) Op. 71” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x69e0d45fe198d4ae5ac8821cf554e3a64c5805abf9fb61b19da788c5211c01e6 and independently timestamped
in Bitcoin block 960241 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059432101.
Recording identifiers
- ISRC
- DEF059432101
- Title
- Overtüre (Der Nussknacker) Op. 71
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x69e0d45fe198d4ae5ac8821cf554e3a64c5805abf9fb61b19da788c5211c01e6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T09:58:01+00:00
- Bitcoin block
- 960241
- Canonical record hash
sha256:923094ad766d2d8c145874c9444e1f87641d073657fe9f8b7aeeb3efe172f4c4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059432101
- Bitcoin block existence check
- https://blockstream.info/api/block/960241
Full record
Track page: Overtüre (Der Nussknacker) Op. 71 · Machine-readable JSON-LD