ISRC NLZ542001949
Verified recording
NLZ542001949 is “One Thing” by CALVO,
registered on the CopyrightChains blockchain with CopyrightID
0xe51c0502750347dbaacaf886617b8fbb123f0aca556bbc0095d9628d1a71dc81 and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLZ542001949.
Recording identifiers
- ISRC
- NLZ542001949
- Title
- One Thing
- Artist
- CALVO
- CopyrightID (CopyrightChains transaction hash)
0xe51c0502750347dbaacaf886617b8fbb123f0aca556bbc0095d9628d1a71dc81
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:4821536cf3af505655f902aedb448e8df6208b78dfe030a01f4fb163bea916c9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLZ542001949
- Bitcoin block existence check
- https://blockstream.info/api/block/956302