ISRC UST8K1646061
Verified recording
UST8K1646061 is “Jan Jar” by MarchFourth,
registered on the CopyrightChains blockchain with CopyrightID
0x987c5f53c270f041a98c73f8d5b0837de9221a711e8ea9627cccfe68a315e046 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UST8K1646061.
Recording identifiers
- ISRC
- UST8K1646061
- Title
- Jan Jar
- Artist
- MarchFourth
- CopyrightID (CopyrightChains transaction hash)
0x987c5f53c270f041a98c73f8d5b0837de9221a711e8ea9627cccfe68a315e046
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:228b5863673d458647f6451234816a6ada1e2c437c549753cc96f466ff22cefd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UST8K1646061
- Bitcoin block existence check
- https://blockstream.info/api/block/960273