ISRC US4HB2100220
Verified recording
US4HB2100220 is “time of night” by Zachary Knowles,
registered on the CopyrightChains blockchain with CopyrightID
0x9df8f64b920f4881f0a5209e08492f79aae5ebdaafc9c6dc52989fc4478cac81 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/US4HB2100220.
Recording identifiers
- ISRC
- US4HB2100220
- Title
- time of night
- Artist
- Zachary Knowles
- CopyrightID (CopyrightChains transaction hash)
0x9df8f64b920f4881f0a5209e08492f79aae5ebdaafc9c6dc52989fc4478cac81
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:387d1762b7119f9dfbda770c2bf8124bd8fb4071d77947e5836c20e6af9a86ca- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4HB2100220
- Bitcoin block existence check
- https://blockstream.info/api/block/956302