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 0xe60755b281b31e5091dddaafcf24cd34e7057634b856c2fa5ba63816d79eea02. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3c223ae2-8f32-4e73-95fb-abe078f7e10c.json and https://artists.proofprofile.net/proofs/artist/3c223ae2-8f32-4e73-95fb-abe078f7e10c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xcd566f2c3f34cdc752bcb19c211c416240a4ca06cbcffc42293c852e48c05ac8","isrc":"USANG2228479","name":"El Seguridad","registered_at":"2026-06-10T20:44:42Z","spotify_id":"7azyuzk4kcnvorjP63qj8h","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 0xcd566f2c3f34cdc752bcb19c211c416240a4ca06cbcffc42293c852e48c05ac8. 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/7azyuzk4kcnvorjP63qj8h.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/7azyuzk4kcnvorjP63qj8h.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x754b44ed238488f582847ca74828bff5c99700a5d1203a2db6e80d5245a8b428. 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/07t84zVYRBFlGA4Z5CsOIs.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/07t84zVYRBFlGA4Z5CsOIs.
{"copyright_id":"0xa292426e9dac00b0fdf008f729156ecf3d94b77560d9d86382fb4bc08959f6b6","isrc":"US3DF1903022","name":"Navegando Por Tijuana","registered_at":"2026-06-21T08:44:54Z","spotify_id":"7BiRW6GFcZVRBUZRGujQOb","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa292426e9dac00b0fdf008f729156ecf3d94b77560d9d86382fb4bc08959f6b6. 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/7BiRW6GFcZVRBUZRGujQOb.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/7BiRW6GFcZVRBUZRGujQOb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb860c4346a36199df519103972ad93fcfca06c662587fd56462c6831e50c7fe. 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/48J9xkrWr21BpWsGHm88H8.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/48J9xkrWr21BpWsGHm88H8.
{"copyright_id":"0x744cb269ce2694911d42a8c01ec7fcaaaed131ec4c258096e91ba2e487ec9b5e","isrc":"TCACY1718541","name":"Las Luces Siguen Brillando","registered_at":"2026-06-27T13:31:27Z","spotify_id":"2Lty1XvZRugAX6vHqEBt6E","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x744cb269ce2694911d42a8c01ec7fcaaaed131ec4c258096e91ba2e487ec9b5e. 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/2Lty1XvZRugAX6vHqEBt6E.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/2Lty1XvZRugAX6vHqEBt6E.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed4ef41f0c3f5bbe89a0421c84e5f5449179a83ccb01fced9405373124d0c555. 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/3QW4El86TUWriTjnBmiUrL.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/3QW4El86TUWriTjnBmiUrL.
{"copyright_id":"0xc8c52339905765eae27fba36a6805e3d3e80dd09bf74ebf79cbf247c0475f9a3","isrc":"TCACY1718564","name":"El Jessie","registered_at":"2026-06-09T10:14:29Z","spotify_id":"2yEI8GHvAMIdXgZSvCN1qR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8c52339905765eae27fba36a6805e3d3e80dd09bf74ebf79cbf247c0475f9a3. 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/2yEI8GHvAMIdXgZSvCN1qR.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/2yEI8GHvAMIdXgZSvCN1qR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x291308b0b5ede91613f3e095401c135744f487a6ce3076b9a7f81c18185758eb. 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/2Dg4qv4pqUSldA47XukGZS.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/2Dg4qv4pqUSldA47XukGZS.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e7049e031c09edcf870939f0c5652fb10591df077e56a406337dd9284580ed0. 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/06YQYObSQoydV7p5qiUqGC.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/06YQYObSQoydV7p5qiUqGC.
{"copyright_id":"0x4a593c18cf119748b78274537f314b0feee8f210a9c4989574b05ac1cf49485b","isrc":"TCACN1620492","name":"Verde Anaranjado","registered_at":"2026-06-24T20:03:58Z","spotify_id":"0RugwnwSGMaEpM5xczRQnC","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a593c18cf119748b78274537f314b0feee8f210a9c4989574b05ac1cf49485b. 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/0RugwnwSGMaEpM5xczRQnC.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/0RugwnwSGMaEpM5xczRQnC.
{"copyright_id":"0xafbda389d4076d1190d5ddd85f41b0d8d132bba4425e414e3dda41a6baf0fddf","isrc":"TCACN1620497","name":"El Junior","registered_at":"2026-06-10T06:40:20Z","spotify_id":"50Jwdai4xZEZbWNGfNo7Cd","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafbda389d4076d1190d5ddd85f41b0d8d132bba4425e414e3dda41a6baf0fddf. 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/50Jwdai4xZEZbWNGfNo7Cd.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/50Jwdai4xZEZbWNGfNo7Cd.
{"copyright_id":"0x7b9a268cbf747ce214a16a127b8a5a6e76e583bf2d5acafc639f5a03dacb4193","isrc":"TCACN1620501","name":"El Estudiado","registered_at":"2026-06-27T16:00:59Z","spotify_id":"3qS5r07aVtFioiGKnyJZta","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b9a268cbf747ce214a16a127b8a5a6e76e583bf2d5acafc639f5a03dacb4193. 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/3qS5r07aVtFioiGKnyJZta.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/3qS5r07aVtFioiGKnyJZta.
{"copyright_id":"0x8b4b89b9aebcf0d4a9b5e668552c290cd0579fa3f5a430af423182ca01e71507","isrc":"TCACN1620504","name":"No Todo Es Trabajo","registered_at":"2026-06-07T09:01:48Z","spotify_id":"5ituaX3e9SNxnerbRCNN8o","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b4b89b9aebcf0d4a9b5e668552c290cd0579fa3f5a430af423182ca01e71507. 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/5ituaX3e9SNxnerbRCNN8o.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/5ituaX3e9SNxnerbRCNN8o.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe95a480e79ea284537f06a9512c9c324e4d718b17e02cb3dada0199cc7794998. 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/61LHQ8Ydl1mbHTeKLvS6e8.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/61LHQ8Ydl1mbHTeKLvS6e8.
{"copyright_id":"0xecdf600d6386f91554f707b9f47417be73dcad6336dbfc68e8ee0e368044bf40","isrc":"USANG2279486","name":"Del Barrio","registered_at":"2026-06-25T20:53:30Z","spotify_id":"3i4cFVBvDYMiv9ule8AzJo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecdf600d6386f91554f707b9f47417be73dcad6336dbfc68e8ee0e368044bf40. 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/3i4cFVBvDYMiv9ule8AzJo.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/3i4cFVBvDYMiv9ule8AzJo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb27a8f0c450eb493b41321eca1669675c81085e696764b1ad9033d0244872063. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5al4zTgNUscwIlyUmKITem.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/5al4zTgNUscwIlyUmKITem.
{"copyright_id":"0x5b22ea843eb2fd917887b620160b18b3dffc23690ad2365cd7ecb1362214c0f4","isrc":"US3DF1954599","name":"Marihuana Con Tu Hermana","registered_at":"2026-06-22T07:27:34Z","spotify_id":"3TdnS4WIvUhgOz9Qk4yaML","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b22ea843eb2fd917887b620160b18b3dffc23690ad2365cd7ecb1362214c0f4. 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/3TdnS4WIvUhgOz9Qk4yaML.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/3TdnS4WIvUhgOz9Qk4yaML.
Jimmy Humilde Presenta Lo Mejor De Las Calles Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1928e644e58af8272f898a6e39a0f1df85ee9df14fa9d30a9a2faa713155901c. 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/2WCOYNi23YnBzGkaax1c9R.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/2WCOYNi23YnBzGkaax1c9R.