ISRC US29X0601601
Verified recording
US29X0601601 is “A Lark” by Fred Hersch,
registered on the CopyrightChains blockchain with CopyrightID
0x3d8dd6f1cc002f87b41175c8372e77cefa26165b5c1025bfa45f2fba28b7e902 and independently timestamped
in Bitcoin block 960404 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US29X0601601.
Recording identifiers
- ISRC
- US29X0601601
- Title
- A Lark
- Artist
- Fred Hersch
- CopyrightID (CopyrightChains transaction hash)
0x3d8dd6f1cc002f87b41175c8372e77cefa26165b5c1025bfa45f2fba28b7e902
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T13:06:57+00:00
- Bitcoin block
- 960404
- Canonical record hash
sha256:a3922baaafcd268343f985f21ba41adaa855c96edf56f3bdd8731e801e35295d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US29X0601601
- Bitcoin block existence check
- https://blockstream.info/api/block/960404