ISRC NLZ542202059
Verified recording
NLZ542202059 is “Hold On” by Tuff London,
registered on the CopyrightChains blockchain with CopyrightID
0xc3733a23660f7d63de5d04962e94c33668b72fc88c4b20952cb9b4c22a48f136 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/NLZ542202059.
Recording identifiers
- ISRC
- NLZ542202059
- Title
- Hold On
- Artist
- Tuff London
- CopyrightID (CopyrightChains transaction hash)
0xc3733a23660f7d63de5d04962e94c33668b72fc88c4b20952cb9b4c22a48f136
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:aee1fce7d2008087c07d028ec80572b1d84d4338c2d49524466539db477523ff- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLZ542202059
- Bitcoin block existence check
- https://blockstream.info/api/block/957118