ISRC USUS12300627
Verified recording
USUS12300627 is “Tighten Up” by Chapter & Verse,
registered on the CopyrightChains blockchain with CopyrightID
0x5d2b5e82f069d938996c78b8560e3b03b8c7febe2d76b01f77dce859ab853047 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUS12300627.
Recording identifiers
- ISRC
- USUS12300627
- Title
- Tighten Up
- Artist
- Chapter & Verse
- CopyrightID (CopyrightChains transaction hash)
0x5d2b5e82f069d938996c78b8560e3b03b8c7febe2d76b01f77dce859ab853047
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:5d2102d715c4797c100d761eb7ace286d997c8a65680ac9d771786561c204f8d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USUS12300627
- Bitcoin block existence check
- https://blockstream.info/api/block/956302