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 0x0dc3e60b97603d70f5aeeb3a81be005586d2a59b97c111523675a2a226898085. 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/f3c6b7fd-5075-4da0-aae8-7beb0d097625.json and https://artists.proofprofile.net/proofs/artist/f3c6b7fd-5075-4da0-aae8-7beb0d097625.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
{"copyright_id":"0xf6fa2356360a5548adc2d823be002004e5fb714fc6187304054b1edcb4ddabcf","isrc":"BX6Y62300063","name":"Poesia Acústica 15","registered_at":"2026-06-01T13:00:47Z","spotify_id":"1kolqJR4ZYYfuZy7v5GwBx","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 0xf6fa2356360a5548adc2d823be002004e5fb714fc6187304054b1edcb4ddabcf. 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/1kolqJR4ZYYfuZy7v5GwBx.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/1kolqJR4ZYYfuZy7v5GwBx.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebbcf588d31069cf01ba96348c0ca71be658441a4aba3ce1b48ef992981d504e. 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/7ajsegzcb0VzobtfArvw4L.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/7ajsegzcb0VzobtfArvw4L.
EU VOU CONTAR PRA ELA (Acústico Brainstorm)
{"copyright_id":"0xa53e2ada2e4104e881234e78083b0b5866a4c8622999f400fe01d84f3278d07b","isrc":"BXYVJ2100006","name":"Poesia Acústica Ep. Jeri","registered_at":"2026-06-05T06:22:47Z","spotify_id":"4tnMSnDkcMj43ovIXIwdMi","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa53e2ada2e4104e881234e78083b0b5866a4c8622999f400fe01d84f3278d07b. 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/4tnMSnDkcMj43ovIXIwdMi.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/4tnMSnDkcMj43ovIXIwdMi.
{"copyright_id":"0x571848c1a55b2c8fbda7b6de6a219bc883cca3b4c1e80407ee7c510618164e19","isrc":"BXYVJ2000035","name":"Mais uma Vez","registered_at":"2026-06-20T00:15:00Z","spotify_id":"0CIKQrmnpF5FdhvdwlqI7P","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x571848c1a55b2c8fbda7b6de6a219bc883cca3b4c1e80407ee7c510618164e19. 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/0CIKQrmnpF5FdhvdwlqI7P.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/0CIKQrmnpF5FdhvdwlqI7P.
{"copyright_id":"0x3dc336c63eda54ded2ad4a003c7a9e904addf4f6b2ebcf0b7f7ec0766d0c70ea","isrc":"BX6Y62400097","name":"Poesia Acústica 16","registered_at":"2026-06-04T07:30:15Z","spotify_id":"2QGidT5ohfP2xXb8SCRWHq","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dc336c63eda54ded2ad4a003c7a9e904addf4f6b2ebcf0b7f7ec0766d0c70ea. 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/2QGidT5ohfP2xXb8SCRWHq.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/2QGidT5ohfP2xXb8SCRWHq.
{"copyright_id":"0xf6fa2356360a5548adc2d823be002004e5fb714fc6187304054b1edcb4ddabcf","isrc":"BX6Y62300063","name":"Poesia Acústica 15","registered_at":"2026-06-01T13:00:47Z","spotify_id":"4oeROkHIMJfuo0niooYvtF","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6fa2356360a5548adc2d823be002004e5fb714fc6187304054b1edcb4ddabcf. 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/4oeROkHIMJfuo0niooYvtF.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/4oeROkHIMJfuo0niooYvtF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7692f5fb2a341737bdb52d2bf59439b2be8ce28e227ae839b04c717d99467337. 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/4HloVfbDm0QArlqZh1U18D.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/4HloVfbDm0QArlqZh1U18D.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x972201f986358281436789d46c0559bb60540819d1368ae62ec3895cc8ca590e. 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/5ZWeAFfmlTGYleUxOq7kcp.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/5ZWeAFfmlTGYleUxOq7kcp.
{"copyright_id":"0x4ed7af74a79d733cf430b107115a4dc677681bf5db2477ce47e22fbfa6dc0bfe","isrc":"BXYVJ2100028","name":"Poesia Acústica #11 Nada Mudou","registered_at":"2026-06-01T17:28:35Z","spotify_id":"0BiXrraKIkkc4Qj2lcgVUc","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ed7af74a79d733cf430b107115a4dc677681bf5db2477ce47e22fbfa6dc0bfe. 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/0BiXrraKIkkc4Qj2lcgVUc.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/0BiXrraKIkkc4Qj2lcgVUc.
{"copyright_id":"0xb88da886261e0922ac98db6c8a3c008408ad747bdc280d821df9270519adecf6","isrc":"BXYVJ2000048","name":"Poesia Acústica #10 Recomeçar","registered_at":"2026-06-01T11:51:23Z","spotify_id":"2F2f4Bg37EB6vCoRIcyzCl","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb88da886261e0922ac98db6c8a3c008408ad747bdc280d821df9270519adecf6. 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/2F2f4Bg37EB6vCoRIcyzCl.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/2F2f4Bg37EB6vCoRIcyzCl.
{"copyright_id":"0x8f56c938b0a2ca3601538bfa4d6b2838be6c992c48742629049c83c57f22f3cd","isrc":"BXYVJ2000028","name":"Poesia Acústica #9 Melhor Forma","registered_at":"2026-06-01T07:46:45Z","spotify_id":"0Qm3FcWgkif9MeY6lgcX11","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f56c938b0a2ca3601538bfa4d6b2838be6c992c48742629049c83c57f22f3cd. 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/0Qm3FcWgkif9MeY6lgcX11.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/0Qm3FcWgkif9MeY6lgcX11.
{"copyright_id":"0x17b56a8f941580a4e2c63edfc72a0075002329c0cea78b151602b25621b3d9a7","isrc":"BXYVJ1900010","name":"Poesia Acústica #8 Amor e SambaCanção","registered_at":"2026-06-01T19:47:45Z","spotify_id":"229GXUzH1baYzaLgqc3PDo","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17b56a8f941580a4e2c63edfc72a0075002329c0cea78b151602b25621b3d9a7. 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/229GXUzH1baYzaLgqc3PDo.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/229GXUzH1baYzaLgqc3PDo.
{"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 0x5f00ea31517a6654d5ef495470cc8016ae2765d5449a6b3c0f0bd9ef6728153a. 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/4ftOPk5r9f1sVl3mi6pq0h.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/4ftOPk5r9f1sVl3mi6pq0h.