ISRC US29X1600018
Verified recording
US29X1600018 is “A Cockeyed Optimist” by Fred Hersch,
registered on the CopyrightChains blockchain with CopyrightID
0xaa814f73ba88bf657e107c381f54de189ed6bb43b1070783046236b0f24477bd and independently timestamped
in Bitcoin block 960500 on 2026-08-01.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US29X1600018.
Recording identifiers
- ISRC
- US29X1600018
- Title
- A Cockeyed Optimist
- Artist
- Fred Hersch
- CopyrightID (CopyrightChains transaction hash)
0xaa814f73ba88bf657e107c381f54de189ed6bb43b1070783046236b0f24477bd
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-08-01T03:13:03+00:00
- Bitcoin block
- 960500
- Canonical record hash
sha256:44d11495e302e212c34f6b724fa79690f1ddb8271f49ee2c4cdd52ae767522f2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US29X1600018
- Bitcoin block existence check
- https://blockstream.info/api/block/960500