ISRC CA21O1600005
Verified recording
CA21O1600005 is “Closer” by Patrick Holland,
registered on the CopyrightChains blockchain with CopyrightID
0x589d3aca665d06868685e4b59513002d20530a02249c994494a7439c47d10697 and independently timestamped
in Bitcoin block 953513 on 2026-06-13.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA21O1600005.
Recording identifiers
- ISRC
- CA21O1600005
- Title
- Closer
- Artist
- Patrick Holland
- CopyrightID (CopyrightChains transaction hash)
0x589d3aca665d06868685e4b59513002d20530a02249c994494a7439c47d10697
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-06-13T12:47:07+00:00
- Bitcoin block
- 953513
- Canonical record hash
sha256:4bedff9bcf2fc91655fd3e98e390d09a1525e0d9977656368db1a6601bdaca70- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA21O1600005
- Bitcoin block existence check
- https://blockstream.info/api/block/953513