1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0xb76a306d26c6ff6405eb42b41c029d0b44083049686569da3a89c4d0c16c2a99. 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/2f5aff9d-6939-43ba-970e-8e5222825692.json and https://artists.proofprofile.net/proofs/artist/2f5aff9d-6939-43ba-970e-8e5222825692.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x097643403bb84b1fcf2cadd32eb122fb602f1985a22b0d3a6d3bff0382652bc6. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5q1Cg6vvZMq3EkhYwow4nw.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5q1Cg6vvZMq3EkhYwow4nw.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6401344b8931f29111ab294c9293d1d92ec1ae3be0b77c3345617cb7852e523. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7eBlDVvkQnd2HAGM9MrIhA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7eBlDVvkQnd2HAGM9MrIhA.
Average Assholes - Feat. Madcon And Paperboys
{"copyright_id":"0x2f005ebf60da5db63c160e0c3dc6c9bc5be10d83e5a9768de30db68033553eba","isrc":"FIEVG0500013","name":"Street Music","registered_at":"2026-06-29T09:42:10Z","spotify_id":"6N8VHFuazbu8TQJOvF5wUk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f005ebf60da5db63c160e0c3dc6c9bc5be10d83e5a9768de30db68033553eba. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6N8VHFuazbu8TQJOvF5wUk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6N8VHFuazbu8TQJOvF5wUk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29a3dc6b72b5088a7499c10266e371c0ba4938a38345e30a8ca0396a284eff2b. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3RNkNOZHW4CAX2nJN10Lo8.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3RNkNOZHW4CAX2nJN10Lo8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4725c1c0314a52eccb03e1ada807c6e72fa5658f629e85f8b27a2c6247606a57. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1h9jDmlLxjR9KPYWr2mnGV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1h9jDmlLxjR9KPYWr2mnGV.
{"copyright_id":"0xa19dde24c5df13f01d4be04615eaeb7479964b18c6a4ca479a6fd9eebf67559c","isrc":"FIBAR1300205","name":"Clouds (feat. A.J. McLean)","registered_at":"2026-06-05T22:01:21Z","spotify_id":"1RK5DiXAYnRZk1fEjnytdp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa19dde24c5df13f01d4be04615eaeb7479964b18c6a4ca479a6fd9eebf67559c. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1RK5DiXAYnRZk1fEjnytdp.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1RK5DiXAYnRZk1fEjnytdp.
{"copyright_id":"0xb8ceceaf61d662308d0e48f3e4ccd4f9f8fada3b6e8b63640bec160eaabec4f3","isrc":"FIBAR1300564","name":"Let Go (feat. Kristinia Debarge)","registered_at":"2026-06-09T19:20:36Z","spotify_id":"1zb3vpNgRfkJ8ApC5ve0Hx","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8ceceaf61d662308d0e48f3e4ccd4f9f8fada3b6e8b63640bec160eaabec4f3. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1zb3vpNgRfkJ8ApC5ve0Hx.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1zb3vpNgRfkJ8ApC5ve0Hx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3abe1ab552ff45e6e6dd327d5f9f24419766a3e9462b57badabe5319484df6e0. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0PiVJwdICrm5Op2WS92vT3.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0PiVJwdICrm5Op2WS92vT3.
Pelkkää lovee (feat. Nikke Ankara & Kube)
Aikuisten rannekkeet (Vain elämää kausi 13)
Solut herää eloon (Vain elämää kausi 13)
Liian sairas sulle (Vain elämää kausi 13)
Kaunotar ja kulkuri (Vain elämää kausi 13)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed448d32f8d6d5933a02ccaaf446cafec578b6464a94c14ec2d5040ee7371056. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/17te2wP80lWKpQdOexK7vN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/17te2wP80lWKpQdOexK7vN.
{"copyright_id":"0xf1508530ac0582d8ce5c6556e52bcdc65561350bcab8b283246838dfb9c5ea13","isrc":"FIBAR1400483","name":"Tuhatta (feat. Redrama)","registered_at":"2026-06-10T19:52:04Z","spotify_id":"2MCqhzmshxlcENcNxu7sAb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1508530ac0582d8ce5c6556e52bcdc65561350bcab8b283246838dfb9c5ea13. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2MCqhzmshxlcENcNxu7sAb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2MCqhzmshxlcENcNxu7sAb.