ISRC RUA3R2073875
Verified recording
RUA3R2073875 is “Op. 12, Troparia "the Choir of the Saints”” by St.Petersburg Chamber Choir,
registered on the CopyrightChains blockchain with CopyrightID
0xe3d91bd5413b5b4e1b1977f00466a11e551bfe9c47f71dfd18f6b4c1ed054d25 and independently timestamped
in Bitcoin block 960418 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUA3R2073875.
Recording identifiers
- ISRC
- RUA3R2073875
- Title
- Op. 12, Troparia "the Choir of the Saints”
- Artist
- St.Petersburg Chamber Choir
- CopyrightID (CopyrightChains transaction hash)
0xe3d91bd5413b5b4e1b1977f00466a11e551bfe9c47f71dfd18f6b4c1ed054d25
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T15:20:15+00:00
- Bitcoin block
- 960418
- Canonical record hash
sha256:328619ff26aefe769b7dbeaa071c3986c40bf0f7adcd0696d7794bb18fd53d33- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUA3R2073875
- Bitcoin block existence check
- https://blockstream.info/api/block/960418
Full record
Track page: Op. 12, Troparia "the Choir of the Saints” · Machine-readable JSON-LD