Eva Wenche Steenfeldt Stang (5 December 1917 – 28 March 2011), better known as Wenche Foss (), was a leading Norwegian actress of stage, screen and television. Personal life Wenche Foss was born to e
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5af4f4b5b9f3c80f21ec31a52f832925b413ca83028abaa653043c7448cfd4d2. Chain 2 (Bitcoin): anchored in block 953807 (2026-06-15T16:39:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e35b1a72-8514-49c8-8794-b452e0694f0f.json and https://artists.proofprofile.net/proofs/artist/e35b1a72-8514-49c8-8794-b452e0694f0f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Peer Gynt, Op. 23, Act III: No. 12b, The Death of Åse (Act III Scene 4)
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4518a173ee1616dc5d59734735a92321f5f85743c51e424da3d82a22cb46e568. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058730027.
Peer Gynt, Op. 23, Act IV: No. 18, Peer Gynt and Anitra
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf692110c1431268e406ebfe51766a071e2bb21cd05ff318c8b916a65454b0df2. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058730028.
De Gamle Melodier: Melodiminner Fra 1939-49 (Lirekassen No. 11)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dcbf32a9a36eef233611156e4d85bfade4b3777b40bdda289918051378ed859. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NOX9X3711906.