ISRC NLE870860128
Verified recording
NLE870860128 is “Sloop John B.” by Stef Ekkel,
registered on the CopyrightChains blockchain with CopyrightID
0x70a95e71f73a27d11df4636bf15e3a2438be8710f7e393a5f58011da82de6c20 and independently timestamped
in Bitcoin block 960355 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE870860128.
Recording identifiers
- ISRC
- NLE870860128
- Title
- Sloop John B.
- Artist
- Stef Ekkel
- CopyrightID (CopyrightChains transaction hash)
0x70a95e71f73a27d11df4636bf15e3a2438be8710f7e393a5f58011da82de6c20
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T05:49:18+00:00
- Bitcoin block
- 960355
- Canonical record hash
sha256:2c538e4de8b057b25a777bc60e8b61858e8b2c26731171bbc2eea614053a0917- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLE870860128
- Bitcoin block existence check
- https://blockstream.info/api/block/960355