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 0xb51db73facc57064fd28cf8b9867ee42e516af87d0d25dcb5d2aa466354fd0f6. 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/14b88e6c-bda0-4d5b-a0fe-9b6719c6ca77.json and https://artists.proofprofile.net/proofs/artist/14b88e6c-bda0-4d5b-a0fe-9b6719c6ca77.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Gira (Trilha Sonora Original do Espetáculo do Grupo Corpo)
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 0xbbdf49ac2d86d6880c799548e751d87618d4aa40b7206d4de7f73cb20f5095a8. 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/58aGmivkPJR5Ng3BeSAmkZ.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/58aGmivkPJR5Ng3BeSAmkZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0ee4ae6becf7087f9b426fc41503a83404788c537cb54d384e8002cb70ea363. 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/0l5B2ov8sJbLM6NFFnTl2N.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/0l5B2ov8sJbLM6NFFnTl2N.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34526fab7c32c8d51f90f1cfc55ca4c5741930a25f2c0841977add1801bf60be. 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/7yb8Z8JYTuJqiMpA5dV2VZ.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/7yb8Z8JYTuJqiMpA5dV2VZ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda93d251df3f23fe8d3fe2f12f2292ce8644f4eb3ef8e490b80857acae6ac818. 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/0qx7VGQYxCKParX4gxg4eQ.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/0qx7VGQYxCKParX4gxg4eQ.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78735c82967389c64e5cdcc1e1aed981f1ae89f3ceb2c03d9d87c807ffe26df0. 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/70V8GSOhupW9c7ANYHCd5J.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/70V8GSOhupW9c7ANYHCd5J.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6da36709c67024eec83c7440d68d770ab00e288307864a6c3435cb4432eaa97a. 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/3t6h4zR5IImRl313uz71ii.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/3t6h4zR5IImRl313uz71ii.
Deus lhe Pague/Citação: Rap (P) Agatha /Citação: Dívida Histórica
{"copyright_id":"0x97aeeb5375a104e45f6424e70fe74cebd226cfa70dd266518c0672adcf76fbc6","isrc":"BXKBP2200116","name":"Deus lhe Pague/Citação: Rap (P) Agatha /Citação: Dívida Histórica","registered_at":"2026-06-22T07:39:35Z","spotify_id":"5jQv3bqof7Rk5pjXtdRh0Q","type":"track"}
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97aeeb5375a104e45f6424e70fe74cebd226cfa70dd266518c0672adcf76fbc6. 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/5jQv3bqof7Rk5pjXtdRh0Q.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/5jQv3bqof7Rk5pjXtdRh0Q.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5dff40022e94149cfa42b8c8134118c11f9a19ec8e84a9830648a13492f1e763. 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/5aGfdcKyPXodkCLDKGUwcA.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/5aGfdcKyPXodkCLDKGUwcA.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdee95b6556334a41c5c9223e5a296e509d502c8dca02a8a6c0545c6f55b89613. 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/4MFmPfWaxnH8J1nzD2wvCF.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/4MFmPfWaxnH8J1nzD2wvCF.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x538f9c31cf12991c558f93c78ed7665f8c439d8f94ea9cd244bb3babc9a2a197. 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/66CukGo7CUuf07PARfvpc9.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/66CukGo7CUuf07PARfvpc9.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbfc3efe2d6d949709d8e0c835f87babc1df2b4f3839523c7790c326039bc754. 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/721jhsDr51yWZ66opEC15b.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/721jhsDr51yWZ66opEC15b.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x223a6a296075c420ac30731806af0e93d5260b27256655eb592e1d67dfeba8b4. 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/2OZe3bXm86q10Dra25kc8w.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/2OZe3bXm86q10Dra25kc8w.