ISRC RUA3R2081747

Verified recording

RUA3R2081747 is “Tchaikovsky, First Antiphon of the First Kathisma (Кафизма)” by Pyotr Ilyich Tchaikovsky, registered on the CopyrightChains blockchain with CopyrightID 0x35033d334013d11fca2e7393d12bfb14df6fbc064f1c098f836017fc29016279 and independently timestamped in Bitcoin block 960334 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUA3R2081747.

Recording identifiers

ISRC
RUA3R2081747
Title
Tchaikovsky, First Antiphon of the First Kathisma (Кафизма)
Artist
Pyotr Ilyich Tchaikovsky
CopyrightID (CopyrightChains transaction hash)
0x35033d334013d11fca2e7393d12bfb14df6fbc064f1c098f836017fc29016279

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15+00:00
Bitcoin block
960334
Canonical record hash
sha256:24c1fa1ba5f6c75926cf0d95941d3700972805123e60ec6bae99fd963ed4ee75
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUA3R2081747
Bitcoin block existence check
https://blockstream.info/api/block/960334

Full record

Track page: Tchaikovsky, First Antiphon of the First Kathisma (Кафизма) · Machine-readable JSON-LD