ISRC DEF057731812
Verified recording
DEF057731812 is “Pique Dame, Op. 68, TH. 10 / Act II: "Radostno, veselo v den sei"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0x51fe673e98dce3124ddc52d4b431dbc58442c69007ce45090a7463acc6bbe8e0 and independently timestamped
in Bitcoin block 960321 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731812.
Recording identifiers
- ISRC
- DEF057731812
- Title
- Pique Dame, Op. 68, TH. 10 / Act II: "Radostno, veselo v den sei"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0x51fe673e98dce3124ddc52d4b431dbc58442c69007ce45090a7463acc6bbe8e0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T22:27:30+00:00
- Bitcoin block
- 960321
- Canonical record hash
sha256:234b47519eb1c55ef3a3a2a1c60a33d5051a06234164056469d2ab71c4dbed70- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731812
- Bitcoin block existence check
- https://blockstream.info/api/block/960321
Full record
Track page: Pique Dame, Op. 68, TH. 10 / Act II: "Radostno, veselo v den sei" · Machine-readable JSON-LD