1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa3bccf658704a5a042a5a5f043f1f23af19a83f20eee4c5d6fc5742770ccc63. 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/e10208dc-1201-4d82-ba94-322279ecf186.json and https://artists.proofprofile.net/proofs/artist/e10208dc-1201-4d82-ba94-322279ecf186.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x522671ce7ce37c0ca3afb86aecbd5aa5028038c894d1784b60d1ba9ce9201178. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1820190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b7b05252280a3d78ab19fc3d225125382901c6cd00977e06d297b04a400f596. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:47:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1820192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62c413ad93c3295d231e299d4cba89307f7d2ea505394d3198ae56e6b834134d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1820194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab2ec3930f60ec769c3f53c2b0349403c73fb932afc641945e33ecd14651652c. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1820197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc569126b49d5d63302d248b988d12bbfc187a049aef494e51ff5eba215a8a06b. Chain 2 (Bitcoin): anchored in block 959163 (2026-07-22T20:53:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1820200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dcae1105442941795184e5a81da52782845cbeb5ef59143b7ffe6ac2bd2e603. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1820203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd07a8c2722207ac6ff58df6e8f231a37caa055939cb29337e6b76cccaf02849a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ22B1820180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0528241fea4ab9ab0c310a56a66ae3639dd5023f190d849c866efe20d63fba50. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRPUI0600052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2187c1717bd7a50afe768b57fafb1f2d5806ddd24cc26f5114d5e91846022bea. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRPUI0600053.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6edad383fa955b25e14edeb87b227a9b6ad5ca60a646755136c48bc008f668d3. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRPUI0600054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x254df833fc09e72f8d4d51eb26b6c392a9109ca837155a4ad841701f41b165a8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRPUI0600055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd647fa56414c1cafc11c891c71f50d81a5d958055858e922e5e8cfb2c98cd242. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRPUI0600057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73d7c799e002d1194fcf2b11736b33a8c4e39cca47273105f759f9c2118d2f42. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRPUI0600061.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5cd63b37ded33cbcf74f21e2be5a170ef96f5366dc028273ea736428742a8c2. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRROF0400127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2308045dce2e506d6d642d8b8564244669516c974df1f46ab5ae779ce515c65b. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRROF0400128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0601a75191364ca37ce005b629fd2fc6afffd145f21f68dcee17347d8f0f2fe9. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRROF0400129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47e20e19a9cda4ceaa2ca395c5d5833066e895c514bed184577f5f110512b6ed. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRROF0400130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2dbcadbe31a16ed5154abb6a6ed3dfcff39ccaadffaa35d71cafb5273b9ef1d3. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRROF0400137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c327db8862d478819db887f3a78ff6769a725d0b2818548f62df1b6f0d2f747. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRROF0400170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4efa16e6f1fdce45fc8833d9bf7e7f7d1eb0d3e95f6663a82fa886d076b269f2. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T14:56:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRKMM1300003.
Eu Quero é Botar Meu Bloco na Rua - Ao Vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69c466d14f04b0a2eaf471190ba980a855a86a0a87b719411771d6eaabf5de16. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRKMM1300012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12bb7f9e9299f0513ff4711aa671901fe8da7e794ebc313fa8241684b8620ccd. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BXKBP2300019.
Que Belo Estranho Dia Pra Se Ter Alegria
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea3ecbfcb3ba33f1d6b9eafdca6b3f225f81ad27ff7d6e1eeb7f66f7a2c5cead. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRMUD0700013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2135844f7f04d9ea88db9a7e0249a9327dbbc3b9d088445aa1f61bcad6e498ee. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRMUD0700014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1da7423b06ceef4d68e36f0b702ea8fc293e170183044dcb4686055acc351f5. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRMUD0700015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb31ce4f1fe8d25eb4d3d52ff6992425642ee40a61ecdc81b9f497a4338ac11f2. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRMUD0700016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb39dc8f16de1cab969446190224df322082448baa81c50f259917adb8a3cdda9. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRMUD0700017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31825a575bc3424da3d891b6338e1f00f182ccc520693a610e670c59e3cc921d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRMUD0700018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8891d31c37747656de992791b9e902e76ca28d8444413ca6577fd64af64435db. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRMUD0700019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d17c53693ccb8d33b96b95641d216d7b2eaac0b50005df002f2ce2cc419627b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRMUD0700020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2368c3f3ce890a0933b7edc5ff37fd93bbcf1e3c9b847886e5b448ad7241cf79. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRMUD0700021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x175140ec953dcd7cbdc00501a144d454d4dbbc86867fbbd0c5a1f5e8a5914a71. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRMUD0700022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbfb14833188230bdf9e886079d0599d00a2eb84da8efb164eaf1486c7993a413. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRMUD0700023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9efb07fd9a447fb7ccaf0954a519d83e14fc56e005da1804971e4b5ea25e07c. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRMUD0700024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a7d26e517e987ca2b763a87e81f22839c8c039ab3235bb726fc783b7097e429. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRMUD0700025.
Joaquim Callado: O Pai Dos Chorões, Vol. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93754e10f9400e706926a767499a8c9a3ca966eee89514426c3c2791dd37a0fc. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRRPL2000057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a0f46dd5b9c3a80d93f7f192f9f5eb46bcc08b7a1ed94c9274eb12280ba4662. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRRPL2000059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0a98ebc95b9fe584d75d14e35f6e6f69a6ab4a45f633980969f3b0c6c69e4e8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEM2412911.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cea98e22b9bc3ea6f5294b33fbb890fcc40361b80d1a991e1ac46321a7e6310. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BRIRJ1600001.
Noites Cariocas: 15 Anos Depois - a Alegria do Improviso (Remasterizado | 2020)
Coletânea Recitais Carlinhos Moreira e Convidados