ISRC NLJ3H1800001
Verified recording
NLJ3H1800001 is “Whooper Swan” by Sytze Pruiksma,
registered on the CopyrightChains blockchain with CopyrightID
0xc931e357e3a608a9dc0294ecbf0b2e3fe220c8266d4458af43b701b1d04a8271 and independently timestamped
in Bitcoin block 960448 on 2026-07-31.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLJ3H1800001.
Recording identifiers
- ISRC
- NLJ3H1800001
- Title
- Whooper Swan
- Artist
- Sytze Pruiksma
- CopyrightID (CopyrightChains transaction hash)
0xc931e357e3a608a9dc0294ecbf0b2e3fe220c8266d4458af43b701b1d04a8271
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-31T18:48:12+00:00
- Bitcoin block
- 960448
- Canonical record hash
sha256:2eb48468baae6209d3a910b0e136e53dd621831731b0032407bf8e304819b5e2- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLJ3H1800001
- Bitcoin block existence check
- https://blockstream.info/api/block/960448