ISRC NOCJB1206090
Verified recording
NOCJB1206090 is “Excalibur” by Jan van der Roost,
registered on the CopyrightChains blockchain with CopyrightID
0x9f1c8f96b52cc0d276b00449d6bdf81160424a9896b9a9110a34d52d8c4e7b81 and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOCJB1206090.
Recording identifiers
- ISRC
- NOCJB1206090
- Title
- Excalibur
- Artist
- Jan van der Roost
- CopyrightID (CopyrightChains transaction hash)
0x9f1c8f96b52cc0d276b00449d6bdf81160424a9896b9a9110a34d52d8c4e7b81
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:5b1fbfd86c1ac14dc5a6821b0c4ebbf4f091a9fc0b53b2d4301e5d47bdb8fe68- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOCJB1206090
- Bitcoin block existence check
- https://blockstream.info/api/block/960273