ISRC DEF057731842
Verified recording
DEF057731842 is “Pique Dame, Op. 68, TH. 10 / Act II: "Je crains de lui parler la nuit"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xd50fab1ae2237279588ea412a8ef0fc3360ee9585c4eed9f79a5f2223caa4726 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/DEF057731842.
Recording identifiers
- ISRC
- DEF057731842
- Title
- Pique Dame, Op. 68, TH. 10 / Act II: "Je crains de lui parler la nuit"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xd50fab1ae2237279588ea412a8ef0fc3360ee9585c4eed9f79a5f2223caa4726
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:e7775381f378b117590de99ab58c3f64403a2cd4e779d29420e5664bc2e502f4- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731842
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Pique Dame, Op. 68, TH. 10 / Act II: "Je crains de lui parler la nuit" · Machine-readable JSON-LD