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 0x742ce083f73406c030c01aff0d7767a7e9de8650121dc3470768a5546d2bb8aa. 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/4679a863-729b-4936-a6f3-50d2b570f2e8.json and https://artists.proofprofile.net/proofs/artist/4679a863-729b-4936-a6f3-50d2b570f2e8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sensacional (feat. Cacife Clandestino & MC Kevin o Chris)
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 0xe2f3408d973d45f2e8d48181c83d37939a0bb937d486ff873c130d0adb836865. 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/5SfpK7yor6hACw6zyXcEoZ.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/5SfpK7yor6hACw6zyXcEoZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c5326fc0e541f07243fec06f8374752f48c596197f848efddd0e79223cd0f9f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3LRzz9rwA1eH59F3Ua1f1s.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/3LRzz9rwA1eH59F3Ua1f1s.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6049cbb3b79270e76084c46e55de2eaaf285278c9b122970071c41d6cc6bfc46. 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/0eR4BYWps24j9JZe0RWQUi.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/0eR4BYWps24j9JZe0RWQUi.
{"copyright_id":"0xad4b7c965153108103f97bfe85cfd29cfc61b7e432aba32247116366a5dd4232","isrc":"BRD1E2100097","name":"Aquarela Luz","registered_at":"2026-06-04T10:00:07Z","spotify_id":"5XTShiHeVnUbzSVNRRFvfV","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad4b7c965153108103f97bfe85cfd29cfc61b7e432aba32247116366a5dd4232. 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/5XTShiHeVnUbzSVNRRFvfV.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/5XTShiHeVnUbzSVNRRFvfV.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad4b7c965153108103f97bfe85cfd29cfc61b7e432aba32247116366a5dd4232. 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/28x49WEQBd3yYK6C4OU2Os.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/28x49WEQBd3yYK6C4OU2Os.
{"copyright_id":"0xe0f8d8925c18a94fa8081ddde342e739466eba58cbc9668445ef97f5bd03899b","isrc":"BXW6U2300003","name":"Melhor Dia 12 - Levanta","registered_at":"2026-06-04T03:32:27Z","spotify_id":"3rmbC9VCOgP5CgUAgUIULU","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0f8d8925c18a94fa8081ddde342e739466eba58cbc9668445ef97f5bd03899b. 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/3rmbC9VCOgP5CgUAgUIULU.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/3rmbC9VCOgP5CgUAgUIULU.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58ae254f537a6e1d4b21899a39513651b3ec4a2c2233b9169fe5f809e83108b7. 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/1nEt1vQ667MYGJwvQALmAJ.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/1nEt1vQ667MYGJwvQALmAJ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c5326fc0e541f07243fec06f8374752f48c596197f848efddd0e79223cd0f9f. 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/3P135tBlxlvNf9n9qU8B1q.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/3P135tBlxlvNf9n9qU8B1q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c5326fc0e541f07243fec06f8374752f48c596197f848efddd0e79223cd0f9f. 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/7inEtALExm9S78wQemicKO.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/7inEtALExm9S78wQemicKO.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaba4efc0ad042f01a5c24330f6d2db26cb94e3bc589361e87323de5c9a6fa1d0. 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/0nqYEP5urWRwrCB5Evnn3u.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/0nqYEP5urWRwrCB5Evnn3u.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x366c429db2713c7a6528413dcc3d90ec4faa89e25ac51e97406d848ab56c73e9. 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/6uVhkZXT3lIaS2mxNzjxgL.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/6uVhkZXT3lIaS2mxNzjxgL.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa15b3ade90b396416cdfb84793e43f728d24aa28d80946e85ec6abf3cc35cd87. 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/5kuUOpHZlZjL8b7HXkxRsm.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/5kuUOpHZlZjL8b7HXkxRsm.
{"copyright_id":"0xe6c8de59ad7360c554c86685eeb69b1d7105fb67b751c4d021d04179ddbc761f","isrc":"BRUK01900056","name":"Poesia Acústica #7 Céu Azul","registered_at":"2026-06-01T13:30:21Z","spotify_id":"44ftNxH1WwJwGJ3LR5Nf2t","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6c8de59ad7360c554c86685eeb69b1d7105fb67b751c4d021d04179ddbc761f. 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/44ftNxH1WwJwGJ3LR5Nf2t.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/44ftNxH1WwJwGJ3LR5Nf2t.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5420dbc631913786c0a245dbd5f04461e5de9be938bb41c66eb96cda0729902d. 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/4pwKy99a1IhAwjekz8Zf0c.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/4pwKy99a1IhAwjekz8Zf0c.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c5326fc0e541f07243fec06f8374752f48c596197f848efddd0e79223cd0f9f. 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/4RW45wP8JlQTk0LkZ9AuIa.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/4RW45wP8JlQTk0LkZ9AuIa.