ISRC RUAFP2100015
Verified recording
RUAFP2100015 is “Why Must I Live and Grieve (Arr. for Soprano & Choir by Andrei Petrenko)” by Alexander Varlamov,
registered on the CopyrightChains blockchain with CopyrightID
0xbeb3737e90e15a21de54f57e86c2f322bd30a86f43dc72e60a288a6589123ded and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUAFP2100015.
Recording identifiers
- ISRC
- RUAFP2100015
- Title
- Why Must I Live and Grieve (Arr. for Soprano & Choir by Andrei Petrenko)
- Artist
- Alexander Varlamov
- CopyrightID (CopyrightChains transaction hash)
0xbeb3737e90e15a21de54f57e86c2f322bd30a86f43dc72e60a288a6589123ded
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:f513c935d17208fe37b3070a7fdb3ce9e17715d6336e65df4eee3c711d876cd7- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUAFP2100015
- Bitcoin block existence check
- https://blockstream.info/api/block/960448
Full record
Track page: Why Must I Live and Grieve (Arr. for Soprano & Choir by Andrei Petrenko) · Machine-readable JSON-LD