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 0x8b2c72d4cbb88a4b9d21cac44bcc687c4df7b4607e233eca5078bb667694317b. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/08c61a13-0a57-4688-b55a-e9dfd72ababa.json and https://artists.proofprofile.net/proofs/artist/08c61a13-0a57-4688-b55a-e9dfd72ababa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Danser For Mig Selv (Medina x Julie Bergan)
{"copyright_id":"0x303904b2773404a7f50ed11db9c2158696f0cda94c690c2b4bc6f726c4a2c2f4","isrc":"DKGL52400201","name":"Danser For Mig Selv (Medina x Julie Bergan)","registered_at":"2026-06-08T16:50:32Z","spotify_id":"3ItQ0upvpPnGIld6Vl4dBZ","type":"track"}
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 0x303904b2773404a7f50ed11db9c2158696f0cda94c690c2b4bc6f726c4a2c2f4. 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/3ItQ0upvpPnGIld6Vl4dBZ.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/3ItQ0upvpPnGIld6Vl4dBZ.
{"copyright_id":"0x459a911e3d8a466f64a392cbbc36ebdb286fcfa9dfac8d781b5304e25ddcd77e","isrc":"DKGL52300501","name":"Danser For Mig Selv","registered_at":"2026-06-04T11:26:33Z","spotify_id":"5yqEDIBymbrUh6R0zHgaZk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x459a911e3d8a466f64a392cbbc36ebdb286fcfa9dfac8d781b5304e25ddcd77e. 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/5yqEDIBymbrUh6R0zHgaZk.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/5yqEDIBymbrUh6R0zHgaZk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89fda9c9d66eff64e92292215fcdcadd675c783afdd653761bcfe84f1ca52536. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/322BUz7Larprn1aHbD6vcz.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/322BUz7Larprn1aHbD6vcz.
{"copyright_id":"0xd0c5808d6984782e8c74f0d1fcca392a698f9a782cea5a0b70fa42efdedcc2da","isrc":"NOG841805030","name":"Ignite - Ahrix Remix","registered_at":"2026-06-05T16:33:31Z","spotify_id":"4BkOTjyeSbQw1LkFhKu1gL","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0c5808d6984782e8c74f0d1fcca392a698f9a782cea5a0b70fa42efdedcc2da. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4BkOTjyeSbQw1LkFhKu1gL.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/4BkOTjyeSbQw1LkFhKu1gL.
{"copyright_id":"0x663f81d1a3cc66e3e43227d3fe195cd5bd358abdbaf30eef226f8732c3a02612","isrc":"NOUM72000328","name":"Don't You Wanna Play?","registered_at":"2026-06-04T16:05:03Z","spotify_id":"2L9OjoIbnI4bDUabsnTGlk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x663f81d1a3cc66e3e43227d3fe195cd5bd358abdbaf30eef226f8732c3a02612. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2L9OjoIbnI4bDUabsnTGlk.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/2L9OjoIbnI4bDUabsnTGlk.
{"copyright_id":"0x663f81d1a3cc66e3e43227d3fe195cd5bd358abdbaf30eef226f8732c3a02612","isrc":"NOUM72000328","name":"Don't You Wanna Play?","registered_at":"2026-06-04T16:05:03Z","spotify_id":"5nY4lHwwJcQXV2TKNgaOhU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x663f81d1a3cc66e3e43227d3fe195cd5bd358abdbaf30eef226f8732c3a02612. 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/5nY4lHwwJcQXV2TKNgaOhU.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/5nY4lHwwJcQXV2TKNgaOhU.
Outline (feat. Julie Bergan) - OFFAIAH Remix
Outline (feat. Julie Bergan) [OFFAIAH Remix]
{"copyright_id":"0xb1594991e7d14998f7ab4c739ed2490e55e2461d887d0c5836854b4f2ee57c48","isrc":"GBAHT2000384","name":"Outline (feat. Julie Bergan) - OFFAIAH Remix","registered_at":"2026-06-26T22:21:03Z","spotify_id":"3symu1FIYAAjtUdndZI9Ze","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1594991e7d14998f7ab4c739ed2490e55e2461d887d0c5836854b4f2ee57c48. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3symu1FIYAAjtUdndZI9Ze.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/3symu1FIYAAjtUdndZI9Ze.
{"copyright_id":"0x9e6cf28dbdd62f508722ec60e6a796455f983b4ea60951b275520dbc99089de5","isrc":"USZXT2350774","name":"Always Will - Matrē Remix","registered_at":"2026-06-09T23:42:00Z","spotify_id":"3ShXI61fNxxgV0J93XDOKN","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e6cf28dbdd62f508722ec60e6a796455f983b4ea60951b275520dbc99089de5. 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/3ShXI61fNxxgV0J93XDOKN.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/3ShXI61fNxxgV0J93XDOKN.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e3248b686e48d812d5ee6d6a8457a7db6454728c7fe9aa6e42db16116dcc1b9. 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/3ndUEyT1uOX5cPvsJScvEq.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/3ndUEyT1uOX5cPvsJScvEq.
{"copyright_id":"0x663f81d1a3cc66e3e43227d3fe195cd5bd358abdbaf30eef226f8732c3a02612","isrc":"NOUM72000328","name":"Don't You Wanna Play?","registered_at":"2026-06-04T16:05:03Z","spotify_id":"15hhlasuVIxEZ3O0PxlRkT","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x663f81d1a3cc66e3e43227d3fe195cd5bd358abdbaf30eef226f8732c3a02612. 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/15hhlasuVIxEZ3O0PxlRkT.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/15hhlasuVIxEZ3O0PxlRkT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x048973b2f6af4a75847fbd9fbbd59ce7818b3049400d012639576998d47a1b99. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/17XU1PTSv4OfcBUE8rNYWm.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/17XU1PTSv4OfcBUE8rNYWm.
Family (feat. Julie Bergan, Ty Dolla $ign & A Boogie Wit da Hoodie)
{"copyright_id":"0xcaafdc5a671f7a3b43d3dd46de869b7a5e4e3b08c46c1a2327ffe3f681758603","isrc":"USAT22106934","name":"Family (feat. Julie Bergan, Ty Dolla $ign & A Boogie Wit da Hoodie)","registered_at":"2026-06-09T23:39:46Z","spotify_id":"6HAed97ZUUrGsIqrxVRjpg","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcaafdc5a671f7a3b43d3dd46de869b7a5e4e3b08c46c1a2327ffe3f681758603. 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/6HAed97ZUUrGsIqrxVRjpg.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/6HAed97ZUUrGsIqrxVRjpg.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf88365fea6e913c700509a009a304a7b57848d937b06201ea50964c9a624d1fe. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7kVDkZkZc8qBUBsF6klUoY.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/7kVDkZkZc8qBUBsF6klUoY.
{"copyright_id":"0x211193c484b7cd9d3b4b779c1eedfa3597d66f4c02095abd7390da440e2cd4e5","isrc":"NOJF01601060","name":"Attitudeproblem - P3 Remix","registered_at":"2026-06-07T14:47:52Z","spotify_id":"2EjeESAaVdTZ10t9IpIovR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x211193c484b7cd9d3b4b779c1eedfa3597d66f4c02095abd7390da440e2cd4e5. 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/2EjeESAaVdTZ10t9IpIovR.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/2EjeESAaVdTZ10t9IpIovR.