ISRC USA371584950
Verified recording
USA371584950 is “O, Theotokos and Virgin, Rejoice” by The Male Choir of Valaam Singing Culture Institute,
registered on the CopyrightChains blockchain with CopyrightID
0x485b2695009e18d52c50b9200e8bd7c49cf064507ce025831391905a49452bb9 and independently timestamped
in Bitcoin block 960207 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA371584950.
Recording identifiers
- ISRC
- USA371584950
- Title
- O, Theotokos and Virgin, Rejoice
- Artist
- The Male Choir of Valaam Singing Culture Institute
- CopyrightID (CopyrightChains transaction hash)
0x485b2695009e18d52c50b9200e8bd7c49cf064507ce025831391905a49452bb9
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T04:47:22+00:00
- Bitcoin block
- 960207
- Canonical record hash
sha256:6ff4dd9c3006e685e76c430f76bdf579d92ad49b5b8b4008383bdf0f30eeb22c- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA371584950
- Bitcoin block existence check
- https://blockstream.info/api/block/960207
Full record
Track page: O, Theotokos and Virgin, Rejoice · Machine-readable JSON-LD