Terje Boye Hansen (March 25, 1946 – November 5, 2025) was a Norwegian operatic bassoonist and conductor. He joined the Norwegian National Opera in Oslo as a bassoonist in 1968 and became its conductor
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 0xf22050476d35928e86c88f8be72ce55f8c32a293a96d1b6802c013e25712c656. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/94a78e71-0cc6-49a0-85d4-cf9b1772e69f.json and https://artists.proofprofile.net/proofs/artist/94a78e71-0cc6-49a0-85d4-cf9b1772e69f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Borgstrøm: Violin Concerto and Two Symphonic Poems
Concerto For Violin And Orchestra In G Major, Op. 25, Mvt. 1
The Symphony Orchestra of Norrlandsoperaen
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 0x293bd81e03d4a8d156234c10d8c3d5ab8d9f40712668960911ea5764db71ae7c. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/NOFZS0911030.
Concerto For Violin And Orchestra In G Major, Op. 25, Mvt. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7596af5ac4a288777e75bf48d0e2f9db49b8945a88aa480c5a7800df72bce4c0. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/NOFZS0911040.
Concerto For Violin And Orchestra In G Major, Op. 25, Mvt. 3
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8e0bfc4c43631eff457c38d9d88d4a87917810e39318b66f90aaaeddbb944d5. 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/NOFZS0911050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3545becb360136857dc130f552e0e5292c6cf2e8631b383943593eaa1aa582d. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), 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/NOFZP1772010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc76f04ea5ee5bab99a65028b0518af2502cd1143882a8a99f2e4b004c05046f0. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/NOFGG2198010.
Det syng / Singing, from Haugtussa / The Troll Maiden, op.67
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92a174db117ed35cdb5503189c5998c9077f5447896a5ea799f20ab9df3dbbc9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NOFGG2198020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02efcada6de3997bc8c3a35a5283cd746fb6a6ef9e3782d4513af50df1cf0be8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NOFGG1502200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc11b57ecb3fbc309d6269300de894809cbd5d134acc1153d582624f105008cca. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/NOYAG2101004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d688786171cf22624c7bed153984e9eab842e07c54163be0005ca14120d7352. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NOYAG2101005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b3ba04f877f06ed6a638bef390018bbef97417deeb1597f6f0d31ef2be01a32. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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/NOYAG2101010.