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 0xdd9fc4c4e44b948826df286ff80572f63e68d9bc3f0afff7cde08231fb63879c. 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/85f28a75-0392-49d6-90ef-9b087ffa2393.json and https://artists.proofprofile.net/proofs/artist/85f28a75-0392-49d6-90ef-9b087ffa2393.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xc54bcaaa964c01dd25b2d002120a43dbcda78688ae750c0354902ef7abb3316b","isrc":"QM3DF2158107","name":"Alzypher Vol. 2","registered_at":"2026-06-07T01:26:16Z","spotify_id":"1rWQZEIAyF3tjfam6EJWTe","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 0xc54bcaaa964c01dd25b2d002120a43dbcda78688ae750c0354902ef7abb3316b. 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/1rWQZEIAyF3tjfam6EJWTe.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/1rWQZEIAyF3tjfam6EJWTe.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa967d1ea899d1bb84b94df38327675056c0e69ee33e59c9e9ad6966b89f902ec. 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/1oC7A5gaUGuf5X6We5QCVt.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/1oC7A5gaUGuf5X6We5QCVt.
{"copyright_id":"0x6fdae9b40ab8c321448ae72fd0331ac1b47b280e31ef7fd74c1dda10b2acb3b1","isrc":"QMANG2250185","name":"Alzypher Vol. 16","registered_at":"2026-06-07T14:12:33Z","spotify_id":"5u89qLN3SSj4jELsCLZ61K","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fdae9b40ab8c321448ae72fd0331ac1b47b280e31ef7fd74c1dda10b2acb3b1. 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/5u89qLN3SSj4jELsCLZ61K.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/5u89qLN3SSj4jELsCLZ61K.
{"copyright_id":"0x29f0f845445e61bfae3cccc3846b4e1cebd2966bc27cd16c0a2c63802bc87a87","isrc":"QM3DF2258405","name":"Alzypher Vol. 14","registered_at":"2026-06-07T19:14:10Z","spotify_id":"64AuQAQdiIsummFx2OM4yR","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29f0f845445e61bfae3cccc3846b4e1cebd2966bc27cd16c0a2c63802bc87a87. 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/64AuQAQdiIsummFx2OM4yR.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/64AuQAQdiIsummFx2OM4yR.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8411ad48380f15976ba1cba43e4a12bff5861b3175f226107baf24756f1bbbd7. 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/0hJ1WnpQNJwaLioiG8kc4N.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/0hJ1WnpQNJwaLioiG8kc4N.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd735d9aa71751e99ed4a9d4f1401b1878178643bbc3199cf57b8f2a6fd58c002. 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/5Y8Q61iezgZnh8pVxzncHW.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/5Y8Q61iezgZnh8pVxzncHW.
{"copyright_id":"0xeed521703d184b70499ff05c5d70ce0f90e04b84e49c1d0db5f427ad14feaca7","isrc":"USANG2265227","name":"Alzypher Vol. 10","registered_at":"2026-06-08T12:28:00Z","spotify_id":"1gnsY2TnziUSPAdTwScTtl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeed521703d184b70499ff05c5d70ce0f90e04b84e49c1d0db5f427ad14feaca7. 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/1gnsY2TnziUSPAdTwScTtl.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/1gnsY2TnziUSPAdTwScTtl.
{"copyright_id":"0xe00011c34e38e09e5ad08ed5606a6c69ef5ad54f18fc26dae0bc8ab0fe577b52","isrc":"US3DF2259815","name":"Alzypher Vol. 9","registered_at":"2026-06-04T16:24:07Z","spotify_id":"4VgKKuLoLAcgNvJ8d0hKlA","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe00011c34e38e09e5ad08ed5606a6c69ef5ad54f18fc26dae0bc8ab0fe577b52. 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/4VgKKuLoLAcgNvJ8d0hKlA.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/4VgKKuLoLAcgNvJ8d0hKlA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x023397ab6b03b861fc56bb430754a02a037c5fbc9bb6b377f5608b46f2952eb3. 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/2q5bIRmfQVowa6qhNVhvWI.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/2q5bIRmfQVowa6qhNVhvWI.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8724b6285d2233b5114ed4891d137f1de26b7b492bfc75dfafd4f2b56074a578. 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/01bOYiywidCqplPB8GPUD1.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/01bOYiywidCqplPB8GPUD1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca0df11874020c6a3b7f1d9c98cd8736e657bdc50c196ef5c5d15245005d5fd5. 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/0wtQRJFhajgV8dqWhGJ5pW.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/0wtQRJFhajgV8dqWhGJ5pW.
{"copyright_id":"0xa3c04effe296884135fca85393ae05dad5ac1ca523c24bfdc3cf389c01fc3a01","isrc":"QM3DF2174362","name":"Alzypher Vol. 4","registered_at":"2026-06-07T07:59:54Z","spotify_id":"7wJ8gtyzYeQWMpYuTJBJCS","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3c04effe296884135fca85393ae05dad5ac1ca523c24bfdc3cf389c01fc3a01. 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/7wJ8gtyzYeQWMpYuTJBJCS.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/7wJ8gtyzYeQWMpYuTJBJCS.
{"copyright_id":"0xa3c2038df9f299ec2227c53be5a7c09a44d73b76d57667e08f466f5ccabfdd30","isrc":"QM3DF2161944","name":"Alzypher Vol. 3","registered_at":"2026-06-04T15:39:00Z","spotify_id":"7mIvi3Y1fVVogsEEMGtqz1","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3c2038df9f299ec2227c53be5a7c09a44d73b76d57667e08f466f5ccabfdd30. 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/7mIvi3Y1fVVogsEEMGtqz1.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/7mIvi3Y1fVVogsEEMGtqz1.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x270440757c72a3ccc6826431cf8b386768b9c3caf51939b360430679d31a1a3e. 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/1wMKXtSKKTG8yE2zvrj6Cc.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/1wMKXtSKKTG8yE2zvrj6Cc.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93273c0df3ca4274976f41126700d3cff0a94164591c553664673e0f49921f34. 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/2dQP958JQ2BCCnbkiQxTqI.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/2dQP958JQ2BCCnbkiQxTqI.
{"copyright_id":"0x6b1c3cd5b8725862c191cbb07ad5a0c2ebc72d7c3cb7bde330ce2d620680a9d8","isrc":"USANG2125063","name":"Del Barrio Pal Barrio","registered_at":"2026-06-10T04:46:03Z","spotify_id":"1KaIxijNoDO6ybJXp0OMmv","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b1c3cd5b8725862c191cbb07ad5a0c2ebc72d7c3cb7bde330ce2d620680a9d8. 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/1KaIxijNoDO6ybJXp0OMmv.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/1KaIxijNoDO6ybJXp0OMmv.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a81282f9527105854389289a2ac73bb025dc7b845b8498aff083b3d39773014. 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/1aHalqmCGlyxjYesOCa2X4.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/1aHalqmCGlyxjYesOCa2X4.
{"copyright_id":"0xea5e0783e0e76186b035c408e18deacb05a84721a61fbff1cc7b6edfe3824e3a","isrc":"US3DF2065666","name":"La Familia","registered_at":"2026-06-04T10:30:20Z","spotify_id":"3NFtMIwXTLsSrUua7AzxA6","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea5e0783e0e76186b035c408e18deacb05a84721a61fbff1cc7b6edfe3824e3a. 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/3NFtMIwXTLsSrUua7AzxA6.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/3NFtMIwXTLsSrUua7AzxA6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5be641967199edfc839625963ede5667dce5944addb99f87b20939ca4504e6bc. 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/4iYPFY7wHMfdFhqJAaPFw6.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/4iYPFY7wHMfdFhqJAaPFw6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf7e2df97b88f0ffdab1e7f310e52248d85e21084497c181597c1551599b1c74. 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/1mOtRRiBuxCyGHIsSzra8K.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/1mOtRRiBuxCyGHIsSzra8K.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96ace7edd082693c460c4ac8aa7862d5b170c328c4556acff4b2d5e531335d0b. 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/6hF5GHmra3eBun6EwbCVFM.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/6hF5GHmra3eBun6EwbCVFM.
{"copyright_id":"0x583a5b4d7a2bc2ee61b4623ca4bf8ed4dabb04e07181e31e1caf8d06b39482e9","isrc":"US3DF2520031","name":"Alzypher La Profecía","registered_at":"2026-06-05T17:04:21Z","spotify_id":"7cQpl45ZdGsGQFVg9gfPid","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x583a5b4d7a2bc2ee61b4623ca4bf8ed4dabb04e07181e31e1caf8d06b39482e9. 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/7cQpl45ZdGsGQFVg9gfPid.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/7cQpl45ZdGsGQFVg9gfPid.
{"copyright_id":"0x46f860bc529179c86e8a3ce8abfe28e4f0598b10adba6818fad07673fccdda57","isrc":"USANG2430259","name":"Alzypher Vol. 19","registered_at":"2026-06-07T01:26:10Z","spotify_id":"58Sk83eoojMvSQo8EEzLY4","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46f860bc529179c86e8a3ce8abfe28e4f0598b10adba6818fad07673fccdda57. 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/58Sk83eoojMvSQo8EEzLY4.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/58Sk83eoojMvSQo8EEzLY4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6870dbb3cbcccd4f983470f9bdab480780924633371155fd64a4ebb3b844c466. 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/4tepeG09xywMIaQ9zKezfH.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/4tepeG09xywMIaQ9zKezfH.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x075d6e93b1772570651fc4ae6bbb770840e19240df70b2e0416f96ec7647391b. 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/1ihehm2g1nnca5wn5eZsaf.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/1ihehm2g1nnca5wn5eZsaf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22f23bba6b31171ec622102291d5a0e55d4a6654ed6813850d3ee7e33c8965b7. 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/2xYH9r7VyNCQ7fENL3LOWu.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/2xYH9r7VyNCQ7fENL3LOWu.
{"copyright_id":"0xf4b715ded6ffd2a62b223fd7b59a0db1b837254007ecdc8da059a9f53d591fb5","isrc":"US3DF2514246","name":"Alzypher Vol. 20","registered_at":"2026-06-09T06:21:38Z","spotify_id":"4mFMz6CQJRRLHlXAPSyrLD","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4b715ded6ffd2a62b223fd7b59a0db1b837254007ecdc8da059a9f53d591fb5. 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/4mFMz6CQJRRLHlXAPSyrLD.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/4mFMz6CQJRRLHlXAPSyrLD.