ISRC DEF057731805

Verified recording

DEF057731805 is “Pique Dame, Op. 68, TH. 10 / Act I: "Mne strashno!" - "Grafinya!"” by Pyotr Ilyich Tchaikovsky, registered on the CopyrightChains blockchain with CopyrightID 0xc292855bafe5b119376792c13de0bde569589b5f9f73931c56b3318c7a037dba and independently timestamped in Bitcoin block 960360 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731805.

Recording identifiers

ISRC
DEF057731805
Title
Pique Dame, Op. 68, TH. 10 / Act I: "Mne strashno!" - "Grafinya!"
Artist
Pyotr Ilyich Tchaikovsky
CopyrightID (CopyrightChains transaction hash)
0xc292855bafe5b119376792c13de0bde569589b5f9f73931c56b3318c7a037dba

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T06:42:11+00:00
Bitcoin block
960360
Canonical record hash
sha256:41d5b621527c6d4abf0b0d9f50c04ff1ba26708b0b8e67589caf08329d82476d
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057731805
Bitcoin block existence check
https://blockstream.info/api/block/960360

Full record

Track page: Pique Dame, Op. 68, TH. 10 / Act I: "Mne strashno!" - "Grafinya!" · Machine-readable JSON-LD