ISRC DEF059630008
Verified recording
DEF059630008 is “Variations on a Rococo Theme, Op. 33, TH 57: Cadenza” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x363c8442982940b9fbb3ec054fc1ade0061cef4f0fd615d0b1665f3f098fef21 and independently timestamped
in Bitcoin block 960111 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059630008.
Recording identifiers
- ISRC
- DEF059630008
- Title
- Variations on a Rococo Theme, Op. 33, TH 57: Cadenza
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x363c8442982940b9fbb3ec054fc1ade0061cef4f0fd615d0b1665f3f098fef21
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T13:21:01+00:00
- Bitcoin block
- 960111
- Canonical record hash
sha256:6080b67c54ec1c8a3a99a725c3069fe05c241357a4c60263b78a187c26f75169- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059630008
- Bitcoin block existence check
- https://blockstream.info/api/block/960111
Full record
Track page: Variations on a Rococo Theme, Op. 33, TH 57: Cadenza · Machine-readable JSON-LD