Shadows of the Sun is the seventh studio album by the Norwegian experimental electronica band Ulver. Produced by Ulver, the album was issued in October 2007 via Jester Records and The End Records. Off
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51706276ea539a741ecd4a2b2b9c822fd6615cfb88d849b119927afc95e404db. Chain 2 (Bitcoin): anchored in block 953827 (2026-06-15T19:59:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f6b068ba-1323-4632-96c7-deca9b616016.json and https://artists.proofprofile.net/proofs/artist/f6b068ba-1323-4632-96c7-deca9b616016.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Shadows of a Setting Sun (Shinsuke Nakamura)