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 0x4cba14cc5ab8aee4b07b3cef12b9af42b1b3878a2a5a0b49ba88c2fb0b373e6f. 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/0ef8a4eb-234d-43cb-849a-f88d449e775c.json and https://artists.proofprofile.net/proofs/artist/0ef8a4eb-234d-43cb-849a-f88d449e775c.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 0x5f9dd0a392b5d2d39bcee5d5f0fe8323ed9843839a280408c758ac8a6631903f. 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/5dkpuRiPDrzpXBYmMVV5rL.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/5dkpuRiPDrzpXBYmMVV5rL.
{"copyright_id":"0x9e8d12dbc41b6a984b013fea61f4875f34bb12d724ce0557fd1a2def05a87ed2","isrc":"TCACS1699178","name":"Esa Secuencia","registered_at":"2026-06-11T12:06:55Z","spotify_id":"4BI9OdiFjF1Dg6izfOwUlk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e8d12dbc41b6a984b013fea61f4875f34bb12d724ce0557fd1a2def05a87ed2. 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/4BI9OdiFjF1Dg6izfOwUlk.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/4BI9OdiFjF1Dg6izfOwUlk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c0af45682ae38a8d090041808cff5fa91bbdedc7ae56b32357ee11fc1c1569f. 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/78I1a2nbxy63ABXfpGc5XX.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/78I1a2nbxy63ABXfpGc5XX.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x175d4baf1a339872a8ba31adc57dffdd358749e679e7203349b609974eab6f19. 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/4eJXkGrGtoldPeC00Ugsiz.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/4eJXkGrGtoldPeC00Ugsiz.
{"copyright_id":"0x4f3fb1252f6c3d240e8d14da7b148c1dcac57bf8d67158fa989396dfe48cf949","isrc":"TCACS1699197","name":"No Banca el Berretin","registered_at":"2026-06-21T04:34:30Z","spotify_id":"0wjiclrKSY0sIhHHHPlxhq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f3fb1252f6c3d240e8d14da7b148c1dcac57bf8d67158fa989396dfe48cf949. 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/0wjiclrKSY0sIhHHHPlxhq.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/0wjiclrKSY0sIhHHHPlxhq.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x324f813ca47469610c6c506b055a450364678309def44cbe0ffdef2cc056e45e. 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/56Ytjr6tnWy4SPUUgQSFFA.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/56Ytjr6tnWy4SPUUgQSFFA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9f4ba7fe73423037b025b7e8de47d3b7f4e688c23061db9a5960a30faed2637. 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/1Jp0OGVJhBgGfXFEY23uuP.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/1Jp0OGVJhBgGfXFEY23uuP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfbf00df0180f67f04770ddb1738e43074ad3f52dfda74e33337b5ef226a325c. 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/7gLjqp8UYeJ7w6EZ0bZDCT.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/7gLjqp8UYeJ7w6EZ0bZDCT.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35208e88ed509cf0256859dd88d8d8ebe9305a58a415734de626bf4f6bd31244. 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/6O3VfazsJgVJYywcvTOSrQ.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/6O3VfazsJgVJYywcvTOSrQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7d5a1807a9a940a4b4cf24833a5828d6386f4b918412b6784dc734a8ed41675. 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/1aNypcigGx3CjYc7JtJldt.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/1aNypcigGx3CjYc7JtJldt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f30fcf523bf8bdf25cc336cca4db8e848c10b6d64877f5b91b1724605578501. 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/7sOvzK3WMBNPcGkX7j2uTz.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/7sOvzK3WMBNPcGkX7j2uTz.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3ef705635cc691c71769fd525e9f85265020f812945347b4508a9e4f14119dc. 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/4ouGTjFkZ2eeOdDh57y3e9.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/4ouGTjFkZ2eeOdDh57y3e9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71fa4409c60ea45ee032aa07290fa0647307a0149ddcb835c895b22c1bef0fcc. 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/49nPwN8Whl840QmcaccalH.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/49nPwN8Whl840QmcaccalH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa215fafe8ad08190ac54259a3ebc1eb4d238fdc34359f372134c67566e84244e. 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/0KzL3ip6NV2eSm9dUrSoE0.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/0KzL3ip6NV2eSm9dUrSoE0.
{"copyright_id":"0xe55928863189f5e8e8ab3d51aae9266aa41e533abd44fa40f4d9179808afdd21","isrc":"QM6MZ2261664","name":"Yo Soy del Barrio","registered_at":"2026-06-05T12:34:26Z","spotify_id":"7DaoUON78TxJlOcNtHgaT2","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe55928863189f5e8e8ab3d51aae9266aa41e533abd44fa40f4d9179808afdd21. 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/7DaoUON78TxJlOcNtHgaT2.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/7DaoUON78TxJlOcNtHgaT2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd79c71d49869042fd6a17b9fdc58547387d2ad2a52fdbc59149f85bf88ac1736. 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/7u9h2MtF5xpKnBA4tvI91u.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/7u9h2MtF5xpKnBA4tvI91u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c3cee7ad77569ab85687305ac72119d8e40af49074a431f4897e1439f817927. 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/3tG51sPkRKpdxELpFg1PLB.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/3tG51sPkRKpdxELpFg1PLB.
{"copyright_id":"0xf7c3f59a635261ecc81fc68b1bf2488f00b63b4c920737137f95d3ee256f9cc5","isrc":"QZ5AB2220303","name":"Sensación del Bloke","registered_at":"2026-06-25T22:58:55Z","spotify_id":"5KsXo3lg9t8ETb7wgjjTiP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7c3f59a635261ecc81fc68b1bf2488f00b63b4c920737137f95d3ee256f9cc5. 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/5KsXo3lg9t8ETb7wgjjTiP.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/5KsXo3lg9t8ETb7wgjjTiP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd85951571b50105dc4dba069c646cb01be2f7726363007c6f2c13e74c46a7ac. 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/4TZJzuUJEERiUoshXtMJMP.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/4TZJzuUJEERiUoshXtMJMP.
{"copyright_id":"0x3bfbeb1fb4c17547a62d52f499c5f0c8a4d61fe07c1493f3a369d8d903cc8eeb","isrc":"QZTPX2112586","name":"Full Malianteo","registered_at":"2026-06-18T17:25:52Z","spotify_id":"632EeuBkz8VhlIvnoQUQrp","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bfbeb1fb4c17547a62d52f499c5f0c8a4d61fe07c1493f3a369d8d903cc8eeb. 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/632EeuBkz8VhlIvnoQUQrp.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/632EeuBkz8VhlIvnoQUQrp.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4a7ed1eeeab6ffe6035a461d55fb2f3945e7a37e6c24f1e67124be6a972fed. 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/6ED43xPAYPXD26yPFxUUuU.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/6ED43xPAYPXD26yPFxUUuU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2a7775d2f2a4103db0a4146652a65e4b69778a0b0d32650e4edc4fbbb2b595f. 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/6P3M9Gf9tXq30d5RI8ynzh.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/6P3M9Gf9tXq30d5RI8ynzh.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a37c2bf9d240500e20df24d1d374d51fd4746cc94341ace6f7a7449978ba79f. 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/7ziQLx7oHjplMF4uclSuv2.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/7ziQLx7oHjplMF4uclSuv2.
Gata Rkt (feat. nysix music, andrehbred, son gotten, uzbell, el goldo de las conec, jack napier, edu music, el pesa 9, timy song, Jhon Jairo, chuky indica, chulimane, gabo el chamaquito, la f
{"copyright_id":"0xef0da0069d20c7a60ad2a44c6046135a8110ce7403ff6b35da3084cf703e4c77","isrc":"QZW9K2337909","name":"Matando la Liga","registered_at":"2026-06-09T08:17:54Z","spotify_id":"3ivjXorSvJ9sBkqndoPM0B","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef0da0069d20c7a60ad2a44c6046135a8110ce7403ff6b35da3084cf703e4c77. 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/3ivjXorSvJ9sBkqndoPM0B.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/3ivjXorSvJ9sBkqndoPM0B.