ISRC USL4R2381093
Verified recording
USL4R2381093 is “Biggie Jazz” by True School Records,
registered on the CopyrightChains blockchain with CopyrightID
0xff0a4f498b9cccee3f3db2fd5dc618c86e68dae8133e57cae0e25d417a9c4304 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/USL4R2381093.
Recording identifiers
- ISRC
- USL4R2381093
- Title
- Biggie Jazz
- Artist
- True School Records
- CopyrightID (CopyrightChains transaction hash)
0xff0a4f498b9cccee3f3db2fd5dc618c86e68dae8133e57cae0e25d417a9c4304
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:f767844133576f3d0554922f353e4d82bcb88b1f17fcbc4a791af14b0164cfc3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4R2381093
- Bitcoin block existence check
- https://blockstream.info/api/block/960273