ISRC NLHR52116012
Verified recording
NLHR52116012 is “Topsy” by Al Cohn,
registered on the CopyrightChains blockchain with CopyrightID
0x5e1af666c5cd4a4aa55f74736eaa6caa3e126d3ffc26d216adafba8192b1e6f4 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLHR52116012.
Recording identifiers
- ISRC
- NLHR52116012
- Title
- Topsy
- Artist
- Al Cohn
- CopyrightID (CopyrightChains transaction hash)
0x5e1af666c5cd4a4aa55f74736eaa6caa3e126d3ffc26d216adafba8192b1e6f4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:a91220f6f4fc15005f8dafd1e032279772e70f066db6f651b30f3538c2c1acb3- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLHR52116012
- Bitcoin block existence check
- https://blockstream.info/api/block/957118