ISRC US23K0400292
Verified recording
US23K0400292 is “curves of air” by Fourcolor,
registered on the CopyrightChains blockchain with CopyrightID
0x0f56d73a3e356a05757b8f8402027b44b0c5fd94ba68a685e9fe0e48c43fd6fe 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/US23K0400292.
Recording identifiers
- ISRC
- US23K0400292
- Title
- curves of air
- Artist
- Fourcolor
- CopyrightID (CopyrightChains transaction hash)
0x0f56d73a3e356a05757b8f8402027b44b0c5fd94ba68a685e9fe0e48c43fd6fe
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:55:08+00:00
- Bitcoin block
- 956304
- Canonical record hash
sha256:575020c06996ed863167f844f5bb3a0e4c05dfd0c27cdffa5a4b1f6e4fa2e0da- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US23K0400292
- Bitcoin block existence check
- https://blockstream.info/api/block/956304