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 0xbf2bd7f89dae7dab346fc5fb46693c7838ff7a132f22091a7aeae1fe3959537e. 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/2281d530-02b8-4613-95a6-ac5b69d40030.json and https://artists.proofprofile.net/proofs/artist/2281d530-02b8-4613-95a6-ac5b69d40030.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 0xce01d9ce98cdb0cb27afc94658d32c4a8b1b93ef1bc2986b2b1a8b88ebc5ddb0. 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/3VivwejNexahEenAz6oBcp.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/3VivwejNexahEenAz6oBcp.
{"copyright_id":"0x55e4175e96f7e515f2ee7abbfd84684e9e52e4a7ae7672cfbb7e536f22ae17e5","isrc":"BRRGE2200858","name":"Rio Nilo","registered_at":"2026-06-27T02:32:34Z","spotify_id":"4HFDkgSNKq7XFuq3pDi9Zk","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55e4175e96f7e515f2ee7abbfd84684e9e52e4a7ae7672cfbb7e536f22ae17e5. 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/4HFDkgSNKq7XFuq3pDi9Zk.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/4HFDkgSNKq7XFuq3pDi9Zk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe28df351167d6bd9ecf3f5011fbf7023847183d708488213de9dea4807dd4811. 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/5uAzHetXxww06Gk8jHzGNl.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/5uAzHetXxww06Gk8jHzGNl.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac8a40b49da949880234722ccd9d47cdeafbe035526b9fe6e297f3f017a2b2f9. 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/6E5ZBi8fHJwbXbM8441aa7.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/6E5ZBi8fHJwbXbM8441aa7.
{"copyright_id":"0xb53cd82dc7a3c49b04139e6b555fabadbaa3a8209a3ed4e706ec09f968ea6901","isrc":"BRRGE2200342","name":"Lá Fora","registered_at":"2026-06-11T16:56:24Z","spotify_id":"6HMfyzmbaOP6bhQ3SWGK1K","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb53cd82dc7a3c49b04139e6b555fabadbaa3a8209a3ed4e706ec09f968ea6901. 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/6HMfyzmbaOP6bhQ3SWGK1K.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/6HMfyzmbaOP6bhQ3SWGK1K.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f9baf16ea28af38ead36bd45ce1302a792b0a723c543e5ff9da14acec45b322. 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/6jcbR4XowtLQQ4IiVWPMg3.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/6jcbR4XowtLQQ4IiVWPMg3.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe28df351167d6bd9ecf3f5011fbf7023847183d708488213de9dea4807dd4811. 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/4zzXS96vHSXFwVTFfJoOHb.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/4zzXS96vHSXFwVTFfJoOHb.
{"copyright_id":"0x92fe8823a1162c80d3ca1324c0cada53466a52b805169477d188666c7fa4b191","isrc":"BXDFR2000016","name":"A Partida - ÀVUÀ Canta Adoniran Barbosa","registered_at":"2026-06-04T13:04:50Z","spotify_id":"4HcSLN7rqd74EItaB35wnt","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92fe8823a1162c80d3ca1324c0cada53466a52b805169477d188666c7fa4b191. 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/4HcSLN7rqd74EItaB35wnt.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/4HcSLN7rqd74EItaB35wnt.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7151a8e477dd0ad9022fef5d510d97f071299af583c8964c0428c06934152286. 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/5BE7M5C7GGXh7llCY8YAEb.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/5BE7M5C7GGXh7llCY8YAEb.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04d04ae5cd3cb626905ff5e02bfd6189049080fc07673b1ce261b82b7808dee4. 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/3XMPK2zl7tUZaa2F11qA46.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/3XMPK2zl7tUZaa2F11qA46.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13561b85d922e6b49c4840498d0b9ce9a46dab0dccf36515c3549b18bf636b94. 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/4o1UdWFqON6Y3ZuL4OcZR2.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/4o1UdWFqON6Y3ZuL4OcZR2.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13561b85d922e6b49c4840498d0b9ce9a46dab0dccf36515c3549b18bf636b94. 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/1a3QsSmEfjrh7Td5UtVYn7.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/1a3QsSmEfjrh7Td5UtVYn7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x465cb57d3eb050023e21da89e7925b5c27c63cfdaf1501e359543b93aa3261f2. 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/4AqKyKMgIezYkTIUJNb7m7.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/4AqKyKMgIezYkTIUJNb7m7.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x290feba558eac896f22a41be7ba49050aa62891d84df131ea3e7b3f3b0f8f9e4. 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/5xl9IXMENlBNwAbs7Y8z2W.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/5xl9IXMENlBNwAbs7Y8z2W.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5b96b92d7e508407250fc2b64352a6c5289013937631ef9e9dbead76805c378. 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/1Hy521tSYLrAJb76RPhIlo.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/1Hy521tSYLrAJb76RPhIlo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7565975a50fc1fe41c98843213643197e75afbe9bdc63e820bc54b18125f6441. 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/7l1oOWQndNHapc1pC8kPLY.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/7l1oOWQndNHapc1pC8kPLY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x561bc217f21f8b9c4efff32b1861d5d43350f391d5024a4aa79569aacf1a0484. 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/5TcEYH0Gn9ExxsagCEOtn6.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/5TcEYH0Gn9ExxsagCEOtn6.
{"copyright_id":"0xe25ec85de73832f353dbdc1637af8e83b08e33e2b9c7cccb088781e4768d0760","isrc":"BR1XO2100005","name":"Quando o Sol Sumir","registered_at":"2026-06-07T21:00:37Z","spotify_id":"3HIH7MA86fbSCDenF5NNlF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe25ec85de73832f353dbdc1637af8e83b08e33e2b9c7cccb088781e4768d0760. 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/3HIH7MA86fbSCDenF5NNlF.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/3HIH7MA86fbSCDenF5NNlF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x434857c5f495bbe203f6f5610bfc39a640227f7221b922b989109c885f6000c9. 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/5ZKXiWNE5yCumVBvtD6lek.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/5ZKXiWNE5yCumVBvtD6lek.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffdb5a2f7a9f53d208d4e520d5554d12e58f3df62e8031acae1d21ce18ab9066. 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/78Vy1BVQtxQbUU5x9l5uwo.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/78Vy1BVQtxQbUU5x9l5uwo.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85575390097576da2a7cea4f83f031553a206f5614a860caae7e987f7e8102ab. 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/1xffiXBsYAR7f9Q8DYoNaf.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/1xffiXBsYAR7f9Q8DYoNaf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b2333f37a604d938a109126cfcd1aae572db58dee2f162cbb7bff5eb1d0c02f. 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/4BZbNMfMEi00EZ8FnliCL8.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/4BZbNMfMEi00EZ8FnliCL8.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84e9db115680a387a1d8655b0d5a9a2e62e7de67445869c540ea1588406f455d. 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/6zmD1Mi5QVyRFRum0tWEmY.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/6zmD1Mi5QVyRFRum0tWEmY.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x465cb57d3eb050023e21da89e7925b5c27c63cfdaf1501e359543b93aa3261f2. 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/0r9IFxH4QcwhYb58I7MjFa.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/0r9IFxH4QcwhYb58I7MjFa.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x04d04ae5cd3cb626905ff5e02bfd6189049080fc07673b1ce261b82b7808dee4. 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/2EYzGNOjQSgVrmbWQFrr45.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/2EYzGNOjQSgVrmbWQFrr45.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13561b85d922e6b49c4840498d0b9ce9a46dab0dccf36515c3549b18bf636b94. 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/5hpFiqgfp8l1a0BePz7J9E.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/5hpFiqgfp8l1a0BePz7J9E.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x290feba558eac896f22a41be7ba49050aa62891d84df131ea3e7b3f3b0f8f9e4. 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/6SfBWvqR1ruZpH1g3Muh4A.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/6SfBWvqR1ruZpH1g3Muh4A.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58f1b3447a12dd368434ebcd36f7c2d195d30daec4af480743ee782472873251. 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/7M7hmJTSNpwe8qGJVlEC2g.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/7M7hmJTSNpwe8qGJVlEC2g.
{"copyright_id":"0x5bb2ae9d36b91938f7a90b7089dda3de664fc33af65e182fa5d91f0e2952e08c","isrc":"BXDFR2200035","name":"Não Pare de Dançar","registered_at":"2026-06-05T12:07:02Z","spotify_id":"4wwQxIiJEb0KQhgi8xqsuU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bb2ae9d36b91938f7a90b7089dda3de664fc33af65e182fa5d91f0e2952e08c. 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/4wwQxIiJEb0KQhgi8xqsuU.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/4wwQxIiJEb0KQhgi8xqsuU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x257a335ba0f1e2e9320a3396317d24a0ba264bde5c64cbe8542011c2f241b1a3. 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/090AwMBFyjfzq9qJ5bMCqf.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/090AwMBFyjfzq9qJ5bMCqf.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe51f91c993cc537638c2166da9948987dd9a18874cf4230f389fe752866033ee. 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/3orAQSM5mGWHMJvskJU4ie.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/3orAQSM5mGWHMJvskJU4ie.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5b96b92d7e508407250fc2b64352a6c5289013937631ef9e9dbead76805c378. 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/39CdEMv5lb6N5s1Iasl0X6.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/39CdEMv5lb6N5s1Iasl0X6.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e748e7be9229b4a6886ff0ff31547a4cdfb2341b37d4f00118bd97ab6cce9d4. 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/544hpmpCBk1OAxDwQWxnph.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/544hpmpCBk1OAxDwQWxnph.
{"copyright_id":"0x29fb57d109090743cc0d7a9e1aed17dab34598193529bc4e5315a6f53ed13c9b","isrc":"BXDFR2000058","name":"Uns Cafuné a Domicílio - (Acústica)","registered_at":"2026-06-05T08:15:28Z","spotify_id":"1D4FKbLEUD7mO9rrllc4gP","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x29fb57d109090743cc0d7a9e1aed17dab34598193529bc4e5315a6f53ed13c9b. 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/1D4FKbLEUD7mO9rrllc4gP.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/1D4FKbLEUD7mO9rrllc4gP.
{"copyright_id":"0x0612e261b0565d74c44666198be36fa8b6d5a6d0e8acf3ab3e2c7b41204a054e","isrc":"BXDFR2500013","name":"Bentivi - OCËR, Bone Brotherz Remix","registered_at":"2026-06-06T08:18:53Z","spotify_id":"3PzTGsyYTI65ij5d6QxxGM","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0612e261b0565d74c44666198be36fa8b6d5a6d0e8acf3ab3e2c7b41204a054e. 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/3PzTGsyYTI65ij5d6QxxGM.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/3PzTGsyYTI65ij5d6QxxGM.
{"copyright_id":"0xdc2fbb95135d94aa2a97ce4be90b0f32ca3714aa0d5f6bf2baa1584a06037f72","isrc":"BKCHO2400001","name":"Quem dirá?","registered_at":"2026-06-05T08:16:29Z","spotify_id":"099mGrokbzQj9lr88cfFAE","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc2fbb95135d94aa2a97ce4be90b0f32ca3714aa0d5f6bf2baa1584a06037f72. 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/099mGrokbzQj9lr88cfFAE.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/099mGrokbzQj9lr88cfFAE.
{"copyright_id":"0x457bb7ee6472835a6cfd464aaf18c85fb74ee97ab8a973bbbcb0022b1f50d301","isrc":"DEXC82100090","name":"Comum - A COLORS SHOW","registered_at":"2026-06-04T15:49:18Z","spotify_id":"18L8x8zxwq7jxXbZuYWJ6c","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x457bb7ee6472835a6cfd464aaf18c85fb74ee97ab8a973bbbcb0022b1f50d301. 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/18L8x8zxwq7jxXbZuYWJ6c.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/18L8x8zxwq7jxXbZuYWJ6c.
Onze (Músicas Inéditas de Adoniran Barbosa)
{"copyright_id":"0xaa7bcfc6beae400e70ac9d6995ef0d7de2059e991b9344b282db058b0a87bfef","isrc":"BXDFR2000015","name":"Bolso de Fora","registered_at":"2026-06-05T16:24:17Z","spotify_id":"5iWMuRfisNdTVfKYxF5NXr","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa7bcfc6beae400e70ac9d6995ef0d7de2059e991b9344b282db058b0a87bfef. 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/5iWMuRfisNdTVfKYxF5NXr.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/5iWMuRfisNdTVfKYxF5NXr.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92fe8823a1162c80d3ca1324c0cada53466a52b805169477d188666c7fa4b191. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4DNuERGf1U2cNc0qzuL5iu.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/4DNuERGf1U2cNc0qzuL5iu.
{"copyright_id":"0xaf21ab8643af3c1e0551704c6e114e2a8772c3c41b777f6dfab721a927fd6a11","isrc":"BXDFR2000018","name":"Vaso Quebrado","registered_at":"2026-06-08T02:40:49Z","spotify_id":"5xlsorPYXsFijrO57RSe0n","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf21ab8643af3c1e0551704c6e114e2a8772c3c41b777f6dfab721a927fd6a11. 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/5xlsorPYXsFijrO57RSe0n.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/5xlsorPYXsFijrO57RSe0n.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6acf009c76cc0d471c55b3a6add60be6ba4355433589c75e30df17eaa2390af3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7qLYeDh1yKoeGeM8HOibFk.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/7qLYeDh1yKoeGeM8HOibFk.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffdb5a2f7a9f53d208d4e520d5554d12e58f3df62e8031acae1d21ce18ab9066. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6nyluxqAw0KIZdfaucxHoI.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/6nyluxqAw0KIZdfaucxHoI.