ISRC DEF057731811
Verified recording
DEF057731811 is “Pique Dame, Op. 68, TH. 10 / Act I: "Otkuda eti slyozy"” by Pyotr Ilyich Tchaikovsky,
registered on the CopyrightChains blockchain with CopyrightID
0xdff29783ab4dd7c21bd25ec0ebb4a97ae6eb420f465e1adf8390f6d4f5f9a779 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/DEF057731811.
Recording identifiers
- ISRC
- DEF057731811
- Title
- Pique Dame, Op. 68, TH. 10 / Act I: "Otkuda eti slyozy"
- Artist
- Pyotr Ilyich Tchaikovsky
- CopyrightID (CopyrightChains transaction hash)
0xdff29783ab4dd7c21bd25ec0ebb4a97ae6eb420f465e1adf8390f6d4f5f9a779
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:0fa9c7b562e097a9a187d83ab45ee830af265bb4d288add42986d32e3fc81f6b- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731811
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: Pique Dame, Op. 68, TH. 10 / Act I: "Otkuda eti slyozy" · Machine-readable JSON-LD