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 0x407390f9391fa502b64f67a04a9419b5473c42c5dee49618895ae85b68a6c3d6. 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/93b30865-d71c-4542-8926-01e28f76b46b.json and https://artists.proofprofile.net/proofs/artist/93b30865-d71c-4542-8926-01e28f76b46b.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 0x82afde7c3e0c2e945871b3cd2e064e71ecc2e4feafdfbb9de86c04bf382d7d12. 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/1lruhU0oqnaMeCVCoUVf06.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/1lruhU0oqnaMeCVCoUVf06.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd09aabbe28308a9a4d355dc949bd0fb87650ec7a513f3a3dbd08be954fc2365. 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/0sSHYYO75sLioLbCq3yUfQ.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/0sSHYYO75sLioLbCq3yUfQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fd6a303d05b8c3a3888e082d0d5b5ad53e4649f676799b3e989e6a36965bdf9. 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/0HUH1MkB4fFb3bSbt5mN4q.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/0HUH1MkB4fFb3bSbt5mN4q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c8db85b0f86bb1403cf13cd6762f700f294a884bcf999315578f22ecd422069. 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/3qdGFLbeBimBl9P2c4f9o7.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/3qdGFLbeBimBl9P2c4f9o7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7914452b0eac89cb9df15277bdf9af84f9bb22a486d72c4775bea72911aa8cbb. 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/2xYxG1Obz21lR7CybGvVKR.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/2xYxG1Obz21lR7CybGvVKR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c45e21661e712c55d3b08d8abd274a76fedbf67e23ef31816e591b17320673b. 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/5TsEZ02AJ9TSNlCejZxUd1.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/5TsEZ02AJ9TSNlCejZxUd1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28aa8834af9090b7ed3dc78d4934081b9407529de5ffa3373d2305f098da4a17. 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/3C7Y70H9EZsoKCTkv9kpW9.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/3C7Y70H9EZsoKCTkv9kpW9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5072934f27a2a69454e872e1ea6df0dac5aff1fc0e6a4fa24f481766c89c678f. 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/33hXUiCSd9O3fEqVMqPLND.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/33hXUiCSd9O3fEqVMqPLND.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82afde7c3e0c2e945871b3cd2e064e71ecc2e4feafdfbb9de86c04bf382d7d12. 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/3LEBmIOGQutE3mrGob7Ud3.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/3LEBmIOGQutE3mrGob7Ud3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5506cc8d80c35b6dd67534261baa6c71664c724a631e13217242c9a50bcccaaf. 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/5aMe10T422FPiTXldd8hmb.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/5aMe10T422FPiTXldd8hmb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0724180a7b546c13420f7110d2a95ed9c70547c5a182c7063ba18101232cae00. 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/3cRRKTEZZENTQ9DwwAaKWa.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/3cRRKTEZZENTQ9DwwAaKWa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaed6bf31b376a015d9305fa9980a4c1957437a56e472b04fa21372b700dce5c. 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/7jK3kwz6uELVrkPh5ch5rq.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/7jK3kwz6uELVrkPh5ch5rq.
{"copyright_id":"0x577b285d10aeff2b96e51c623b06c7e1a8fa32ff1a1fdfd213bfe82361e786c6","isrc":"QZL432400016","name":"Chica De Altar","registered_at":"2026-06-05T08:59:23Z","spotify_id":"1a7RDdn4peqYYKklCeYQ7R","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x577b285d10aeff2b96e51c623b06c7e1a8fa32ff1a1fdfd213bfe82361e786c6. 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/1a7RDdn4peqYYKklCeYQ7R.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/1a7RDdn4peqYYKklCeYQ7R.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6de671279aa53dad77d031c14a5e94f8e559f6ff9cca62a250571783a517205f. 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/5suzvN9JZh0IhCWbfMcjQA.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/5suzvN9JZh0IhCWbfMcjQA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d3a3a524d6f073a11f446d8c81d52f697cb9426e3638930fbdf7985241a98f9. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0b4OpZw4qt5M3O5W6qgHGk.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/0b4OpZw4qt5M3O5W6qgHGk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b9dfd4eabf9413283177703a6e12700b5e4a6a5ff120f3c4480423a08d3e8cd. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2kZovxs9XrUsna7vjxolAs.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/2kZovxs9XrUsna7vjxolAs.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb73bc455ae61283cd0c702e2d2bb6df1f3715d62fb9d62060ba0a83248e56f8a. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/62voKyko3GkBSFuQoPv4DY.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/62voKyko3GkBSFuQoPv4DY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e45d2350442d165e0b817780ff8dbd769b0da5ba8238ae89e242b863876606c. 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/1JyqDaGhCKsclrogXxb9tL.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/1JyqDaGhCKsclrogXxb9tL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a82687333893183136200e726d08716a43f5bee97e944ada461b74a80906f80. 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/49PZGR5EWexKlXGtsB0miK.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/49PZGR5EWexKlXGtsB0miK.
{"copyright_id":"0x85aef3baf01ebf029c7b1725ad8fd5dec7f5ec2b89d7a5d522b55b08af3a7937","isrc":"QZL432300084","name":"Hermoso Momento (Remix)","registered_at":"2026-06-04T05:12:55Z","spotify_id":"5ns1yRYHOPANLUNtjU7TeE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85aef3baf01ebf029c7b1725ad8fd5dec7f5ec2b89d7a5d522b55b08af3a7937. 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/5ns1yRYHOPANLUNtjU7TeE.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/5ns1yRYHOPANLUNtjU7TeE.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6dc26a06a346d1d6ddb611b8c51719817a9f2cc64d8e3c6fa83a9a8865cb262. 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/4R4PawLQIUA58Uz32p7qw4.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/4R4PawLQIUA58Uz32p7qw4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x263bd9ec1bf4d7b5197189260ae3cb13d57b3d39dff9b412937a48700e7a8579. 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/6gWlWs5UVbIhhl59b0IY15.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/6gWlWs5UVbIhhl59b0IY15.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5072934f27a2a69454e872e1ea6df0dac5aff1fc0e6a4fa24f481766c89c678f. 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/5cPNz2RrxEjftzZq20f5uY.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/5cPNz2RrxEjftzZq20f5uY.
Hot As Hell: Ulloa Music Session, Vol. 1