ISRC RUA3R2110532
Verified recording
RUA3R2110532 is “Cherubic Hymn, Op. 27, No. 5” by St.Petersburg Chamber Choir,
registered on the CopyrightChains blockchain with CopyrightID
0xd8c5393da7b85c0eb3913361872da69c5477cbd4b53627b15cf63bd03f3bce25 and independently timestamped
in Bitcoin block 960284 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUA3R2110532.
Recording identifiers
- ISRC
- RUA3R2110532
- Title
- Cherubic Hymn, Op. 27, No. 5
- Artist
- St.Petersburg Chamber Choir
- CopyrightID (CopyrightChains transaction hash)
0xd8c5393da7b85c0eb3913361872da69c5477cbd4b53627b15cf63bd03f3bce25
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T17:23:26+00:00
- Bitcoin block
- 960284
- Canonical record hash
sha256:da984b9227d962a076c9a17c1ca6a1035279873fb5bb4029022ca3e964de69f5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/RUA3R2110532
- Bitcoin block existence check
- https://blockstream.info/api/block/960284
Full record
Track page: Cherubic Hymn, Op. 27, No. 5 · Machine-readable JSON-LD