ISRC US4HB2100223
Verified recording
US4HB2100223 is “introvert (interlude)” by Zachary Knowles,
registered on the CopyrightChains blockchain with CopyrightID
0x5318bbbe86a3f67ff10deb27de1b5caa1125190c35d4e2534585452476905654 and independently timestamped
in Bitcoin block 956375 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4HB2100223.
Recording identifiers
- ISRC
- US4HB2100223
- Title
- introvert (interlude)
- Artist
- Zachary Knowles
- CopyrightID (CopyrightChains transaction hash)
0x5318bbbe86a3f67ff10deb27de1b5caa1125190c35d4e2534585452476905654
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T16:51:38+00:00
- Bitcoin block
- 956375
- Canonical record hash
sha256:f776718ee1bae6c20cdd66245895cf4ec28ece73b992b7573fc57b8ad5b39907- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US4HB2100223
- Bitcoin block existence check
- https://blockstream.info/api/block/956375
Full record
Track page: introvert (interlude) · Machine-readable JSON-LD