Jan Johansen is the name of: Jan Johansen (canoeist) (born 1944), Norwegian Olympic canoeist Jan Johansen (politician) (born 1955), Danish politician and MF Jan Johansen (singer) (born 1966), Swed
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 0x9a5b02425b08f9dbbe46f78edb86fb1691e68ab24f0338a79cc46a0d7f63a856. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/11d47d03-4d6e-48db-aafd-df7e980dc114.json and https://artists.proofprofile.net/proofs/artist/11d47d03-4d6e-48db-aafd-df7e980dc114.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd33b1a29bd9b2ebbe636439c347815910e37c1e70debd5f6044463e483845ea6. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), 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/SEPEL9500101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21292bbbffe8c4f6118eae4d472c7ebe4f2a74eea04d9dfff1b3336886c14058. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/SEPEL9500105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6701403f9b26d4d7b0f261eebe464949365b0b196ef2a1dad6919cf0c020681. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-16T00:35:49Z), 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/SEPEL9500108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fd3e5720227da8811431258396ac858c8ae2f9fa1a0696be4114423596571af. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T03:10:26Z), 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/SEPEL9500109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x308761836e8f745d3e70c30f96e2f6a81cc6a4ca496edf738c61081bc455ebb0. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/SEPEL9500112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeed88e9dfd63bba755018fcf96cd92871944b665e9920de4e70ee49bd30f64a1. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/SEPEL9600108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68f6bea43a8acb50cf99ebd9a7e014835af4a057520523cc8bde8825769a99c9. Chain 2 (Bitcoin): anchored in block 958691 (2026-07-19T07:19:31Z), 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/SEPEL9600109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73c0b5581d914e9417ee8087c8ca64ad07db7bd277b90afc2198ff2dab81329a. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T13:05:29Z), 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/SEPEL0200601.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e04f260a1c8736cfe82a88d0329e08736e1ff37752b1c7d49aba0df9bf9f64c. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/SEPEL0203050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3e1d45431a1ae8071bff1ba059edacb25ad1a9ada6d0fade6e3563c436c8665. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/SEPEL0301003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd62e8422ab5ed9b39374d8ba42f11b1b146799278a46669a567142caf63dc0b6. Chain 2 (Bitcoin): anchored in block 957899 (2026-07-13T19:36:39Z), 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/SEPEL0301004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7fea52b8482d47175d8a384dd6515d9827c56a9ce9aed9e2537778bb3574bd5. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/SEXPC1600504.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd298d2fee6b80d1d943ba56fa147c9065ef08aee00a02b1a9819d958a4bf1dab. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/SEXPC1500401.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x269e351ec5618aabf4b4a44071ae854879c80209970c28bc3006e185c42e9e42. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/SEXPC1600509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b91a8031b9e44873024fc0761e60a962b849325e45c30bf50a168ff4346527f. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/SEWOS1700101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60163dd6768f1e480701e8cf91659fbe32a078367a0fcc81c18875d6aaf297a5. Chain 2 (Bitcoin): anchored in block 958268 (2026-07-16T11:27:55Z), 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/QM6N22324135.
Man är väl infödd - Från "Oliver & Gänget"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2815f9eec88611e8238df71b7a2ba316e405c3c30f66bfd5e0c1609c5514c973. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/USWD11677071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fe2b40a81d70566311e0568ee06c6210e2f2d8e11f2969820dacadd1730442e. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SEPQM0613222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdae0ce8ef03fa38fb1f57c581ec39baec4fc8f2b122f22989d08e1a7986e2085. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/SE3OH1412022.
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