ISRC US4HB2400062
Verified recording
US4HB2400062 is “Hold On” by Zachary Knowles,
registered on the CopyrightChains blockchain with CopyrightID
0x2ad2b320e25031313d39096ae250216e6c393fa997b08341f658af9cdf03caf0 and independently timestamped
in Bitcoin block 956304 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4HB2400062.
Recording identifiers
- ISRC
- US4HB2400062
- Title
- Hold On
- Artist
- Zachary Knowles
- CopyrightID (CopyrightChains transaction hash)
0x2ad2b320e25031313d39096ae250216e6c393fa997b08341f658af9cdf03caf0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:f0b49e5b93acbcb15d6d049d54765f986e7ad5bc052cc1f2c5f3fcc2e22594ae- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4HB2400062
- Bitcoin block existence check
- https://blockstream.info/api/block/956304