ISRC USFKZ2000030
Verified recording
USFKZ2000030 is “Magnification for the Icon (Joy of All the Sorrowful)” by Nikolai Matveyev,
registered on the CopyrightChains blockchain with CopyrightID
0xd9ca672e257b23b9c020c869b3337ed0a1cdf92ba7279205b119678c8d0301d3 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USFKZ2000030.
Recording identifiers
- ISRC
- USFKZ2000030
- Title
- Magnification for the Icon (Joy of All the Sorrowful)
- Artist
- Nikolai Matveyev
- CopyrightID (CopyrightChains transaction hash)
0xd9ca672e257b23b9c020c869b3337ed0a1cdf92ba7279205b119678c8d0301d3
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:774f46b307a79017b7b5610c6a673732203976d2026b51dc101e913e91f7920f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USFKZ2000030
- Bitcoin block existence check
- https://blockstream.info/api/block/956304
Full record
Track page: Magnification for the Icon (Joy of All the Sorrowful) · Machine-readable JSON-LD