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 0x54c951f45b46b58dd59ed880aab288bed5ff093122f95b3a2ba84fe19d269f48. 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/4d99252f-e77a-4a34-a496-7f901dd47a12.json and https://artists.proofprofile.net/proofs/artist/4d99252f-e77a-4a34-a496-7f901dd47a12.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 0x7403ab358f070ecdac342b7e287ee8332988fea1a7b54ef837fb61e40e9f3e91. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZTV32487170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2093f23b9e955f8b103cfa0653f35f41daff9802e8c9a700aa664ec38446e35f. 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/BCL2K2400069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15fadbdce14b0536146807ecacadbd1a19596c6d6d73e3e0a0dc4fc7948b81de. 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/QZZEB2468760.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dfd68ffea716defc14b31a50636f44bb511d0d9bb5e4c5fb809d14c1b12d399. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/QZZ8B2483174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95dd347f1b2d9ef2aba9245a7c6dd21436eb4069cecbdbbe0897eb200be55a36. 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/QZZ8B2421995.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x385d55fe02c5796f021d71ea578124a6e4e1e70b35431e4609c358e79f4ba010. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/USLZJ2575997.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3af5ef93f1fc2b5c534a828b54210aa2b6af9ee8c457b92ccaaf2d88f65b8f29. 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/QZZEC2436471.
Quem juntou separa, a Fiel e a amante juntas na rua da água
NO BAILE DO ALTO VERA CRUZ - SARRA NOVINHA NO GRAU VEM REBOLANDO POR CIMA
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x867a1ce3b670d728a3f10bc7b56df0467f4bda7de6857652f244db4f6e222881. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZZEC2451726.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0064dc094e6a6d57c663d810409a733f162f95b12f6f58ec92b3a8d999fbc0d1. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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/QZZEC2436435.
MTG - PUTA FODE COM TODO MUNDO - NOS VAI MAROLAR DE TIGER NO BAILE
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bfda245ef568dc6cfa3c623595837d1980be658bd2969dd354c1c649e9d6ef5. 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/QZZEB2421995.
Calma Vida Tá de Boa / Rala a Xerequinha no Coroa / Solta Carta Tigrinho
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1aa77e8392d2998c38c5394278c48004256f4c298aff182dd18ac2c4aa5096ce. 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/QZW9M2436183.
Medley GW 2025 - Faz minha Pica de maquiagem
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd26bec8b3eaa8ac1f3a1a597e53b19c0d3dfb60e39ac4890d15765ad69cbf8f. 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/QZZEB2457895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b2d527eb40698f122103765c53978e1a21d389d14db0313d49739eb90f5b8b4. 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/QZZEB2457881.
MTG - QUEM É O LOUCO ENTRE NÓS 2 VERSÃO BH
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76dad9c2ae642f346b10f5fa96df2653624d88b60e07e3e91afdd83b687b1084. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZZEB2430935.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64213095cbee51bfa69e5fa1e2557e609a12fad85333db1cf66fc4b64536c5c6. 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/QZZ8B2453539.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68d94e9e7d1e834258fd01dc95ac2b11fef4308efe935fb7c1a869eb2516cc9f. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/QZZ8B2453550.
DEIXA EU TE FAZER UMA PERGUNTA CAVALA VOCE JÁ METE - TÁ NO TEU OLHAR MULHER -
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x157655beaccdcd0f9f8e9290c0cae47c923807e72fe5d9be12d1eb45c4095688. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZWDE2434617.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfee218fbc44fa3c5fcda79e2d9a41da91f091aebe16a9c99778d35da2b5b2e2. 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/QZZ8B2421970.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdd62801545bf65f73a6974cf885fe5ce0e1a9912b91b477189fc94dd69e8458. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZZ8B2421949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2136525eefdba6abcc349642daabddba84ca4bbc1fa965d328e066d4178ab747. 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/QZZ8A2488305.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb10d911da8e0ffe1c04d85c19bf163970b46b5725e2e123c76a13606f000e61e. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/QZZ8A2488293.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9af1986c7b3da8ac068f38c5a29c785ac0e4404ecc2ba84a4046115d85e9a2b9. 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/QZZ8B2439077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfadb1989bdfa67567f5918085ac815f910c7bba5a1e099bd791c24c9d10e130d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZZ8A2488284.
Se Eu Quisesse Compromisso, Eu Assumia Prestação
Por isso a Thaizinha voltou - Do jeito que você mete - Ai dingo bell
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb98538866b333341ca87c056762749ff0eed34bf5c1b32304b7b9a86536b36eb. 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/QZZ8B2425457.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x558f18f9f0b3e1140ef552b50e3c5fcb33f5a9199e409fd59d9d574cc66e7632. 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/QZZ8A2488324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c3e1d087a78d5570487be770972f67a0ffec89ed55b193894afe51f0b577f9d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/QZZ8A2488271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee76dc284d342e5921115f656ec23ad2d226811aeedbdb94d1dc7db9a5a67411. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/QZZ8A2408152.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8f1801b130588d58c2631932f1f01ba847b847557bcb74a1c83bb4d4e46bd01. 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/QZTVM2327756.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb23e77a2a73a247b1086817780f90a5dbdff1bc3c4c676da5197aef8915479e5. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/QZHNC2213311.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda9e6c4786a3d80be24c2d5da95e58e53fc43d86588b4569ad546da4610ecc1c. 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/QZWDE2434596.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90a1de3f02b175e0fca809712dac82434e322d36c63039acc97265fc63814f2a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/QZES52591597.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ab73440202b47f34885bf8b97be180ebc35683260d6fc992068c346082af487. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/BK3TP2400024.