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 0x5a59431c5926603f8eaefd0c3b383928799a4d4b4f47d9acdfcdffe3b98ed642. 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/f1761c6c-d44b-4cc7-8e66-1b811524fc59.json and https://artists.proofprofile.net/proofs/artist/f1761c6c-d44b-4cc7-8e66-1b811524fc59.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 0xea5e5d1db7ba103f967c9925134175aa1c2522e06a172bf1714b6ef563c7d5e7. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), 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/QZGLM2248866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8efb1bf816b3bc0b040646cc66d1cc384e38dd0184cfa460761a8f6b1edbe412. Chain 2 (Bitcoin): anchored in block 957608 (2026-07-11T21:00:50Z), 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/QZGLM2240819.
Êxodo 22 Vers. 2 (Bandido Bom É Bandido Morto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x347f31e57bda46ac6edc71047821bfe9c8d1eca9d662737d974367cea1d90121. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/QZMZ92280421.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac2f4b5dcbd1178cf843425c0128c92fb4a429d08b867cf892e8f7989bc6e5b8. Chain 2 (Bitcoin): anchored in block 956396 (2026-07-02T21:01:51Z), 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/QZMZ92250070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67e9e32e66ad36ca1ee7247ba409d576242c070f67de4977e4f1ae5e06c53603. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/QZNJV2247139.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a7764daac0885b74a066623059673613e0186be8d0cbb05eb810c19c75f84ac. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/AEA0Q2294358.
Flow Coe (Comandos e Operações Especiais)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47e03c840a4911766cfa2fc375ecbfa789b693ce2208ffc866c7dda92ca3519a. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/QZW9L2217759.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5782b6a2c0cee3b55846074ea5854ab0bdb4647bf6da8e5a8c763e4d272d4104. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/AEA2M2130548.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd13f78ff1c2c8a23fba5e7a52ca759b18cdb7f64ca8428f4af73f19065a11da1. Chain 2 (Bitcoin): anchored in block 958720 (2026-07-19T10:53:46Z), 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/US7VG2341664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2233efabf27d3fab415c7e26a924d8b463c19db417b2fdb1542e126bef2204e1. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/QZMZ92303682.
1 por Amor, 2 por Vocação, 3 pra Ver o Sangue Escorrendo do Ladrão
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8ab1ba6263d57d7941cf132796b01990e68277a89c6e6f6ddccced1d29240ac. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/QZW9K2300615.
Um Corpo Que Não Vibra É um Esqueleto Que Se Arrasta
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1756dab024b2e504f226b4265d0fe6683e72a3dd3361195c32a656338e38b409. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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/QZW9K2324652.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eb97f1e95b8db487b451fe9d471139e1944bf7e62cfbacd7a4b81c955d8e33f. Chain 2 (Bitcoin): anchored in block 958474 (2026-07-18T00:59:09Z), 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/QZW9K2380901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8bb91aeee614065f078c548fcd6260272e1e0de7474dc24755dfd5bf5e63027. Chain 2 (Bitcoin): anchored in block 958918 (2026-07-20T17:58:04Z), 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/QZW9M2361562.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5acebfd83a97cec094033f55ff4c6e404f6871d0addea90581e487011b8f48a3. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/RUA1H2499187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66ac72b2c39dcbba298d087035972b3c5101afaa17f1e5b86d58765fe0e38fb4. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZGLS2442187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafc7e0d34ceac5a33a37a0c5ede17738433f91fb3fa04548467f50e30afbe7f8. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/QZNJV2482998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65daa7b27874b92e5de06f1a9f2bff8506e18543f6e8d3885406748393d3d514. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/AEA2M2418177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4ecf612f57ef013098b04a8738d6233afa4de5db4c3f6026201f3cc83702139. Chain 2 (Bitcoin): anchored in block 958920 (2026-07-20T18:14:22Z), 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/QZNJW2430835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x507832a7b4813b57ab5b99a2d2738755f75286ab2b3c7d7c8b52db405afd0709. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZNJY2404076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ff51d4841984f0a13298c79bbd9874c1676cc9a666b54834051edea3fe555d3. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZNJY2484694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x255854396f7f76eccb85dbda5efb88c48c991dbd14a0850fb17b132cf5c19f9d. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZNJZ2418735.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e6203c878c26a4fc3c0b39dcd2983dfc7334cf4eac4ee5a86966caa3dee4670. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZTPX2434998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x982a71eb8f095ee895856ecbcb948533912643d0504fcc10b40fb43acf568e60. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/QZTVM2427102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8927e58ef8d8d6bd2c4a03f6a49d0f237589a2ad4626cae83050af626c8d167. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/QZWDW2505316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f55702b3245ff2b431c50c820e302555ccc48ecde2f0fe400c45f89e55e24ce. Chain 2 (Bitcoin): anchored in block 957780 (2026-07-13T00:36:44Z), 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/QZWDW2522429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64734433ecb425cb53761a1ae3a5566e10b8bc3d6fc83a3b53cf211bf7d1572c. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T13:14:32Z), 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/QZWDW2533351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7499a13d65bfbf6654f6bfd6733d7994d7c924229e7fd816f124ba11e7023da. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/QZWDW2541441.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec9c8221eba3ba825a9b6ca595f949c69362edf6f33435ff4b7086dcb7d696b3. Chain 2 (Bitcoin): anchored in block 958091 (2026-07-15T03:17:03Z), 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/QZWDW2558905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4e1ef87f1ca9be15bce143085bbb2d72bb93b5b08a6c7414d287123af81df09. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/QZWDW2588995.