ISRC USJ3V1369177
Verified recording
USJ3V1369177 is “Polka” by Matsieng,
registered on the CopyrightChains blockchain with CopyrightID
0xb63657265d28fc8dcf7ceed945cd693f26fdf248bd96f5e8788aa92b7a55fb8f and independently timestamped
in Bitcoin block 960334 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJ3V1369177.
Recording identifiers
- ISRC
- USJ3V1369177
- Title
- Polka
- Artist
- Matsieng
- CopyrightID (CopyrightChains transaction hash)
0xb63657265d28fc8dcf7ceed945cd693f26fdf248bd96f5e8788aa92b7a55fb8f
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T02:19:15+00:00
- Bitcoin block
- 960334
- Canonical record hash
sha256:0f2dcb1d4138e633b7f3b3217ef3c34dbd2ca30d07abf4f2a2be4117363bfb74- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USJ3V1369177
- Bitcoin block existence check
- https://blockstream.info/api/block/960334