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 0xecf5ba944a8ecb5becb0282cb18eb2b60b3099189c2621ebd8f77fc1eac64656. 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/e52b2737-0afb-44ff-953a-f3ecfcb01a25.json and https://artists.proofprofile.net/proofs/artist/e52b2737-0afb-44ff-953a-f3ecfcb01a25.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 0x7eed31bbdb7f7967e04ce5ba80d079c92783dced04ec0da54aa8708970ea11dd. 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/BK1P72400085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9e5bfcbe8d78440fca723517363b0750516629c7ffb82d99ec7a72fd9e49f11. 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/BK1P72400076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2146bfad83acc5a818c6b29291a23c059e19f165661318a87386b4b6de2ef6a. 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/BK1P72400077.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd206584566021a7c1f338767087bbe49629a16d5392b280c5ac2b9f9b824b3eb. 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/US3DF2441751.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49d8e966a5688edf97d893888f2a9aa2a56841ea8004bffaf15ae7c1180ce08d. 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/US3DF2436351.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6fcfc65966ac5e1ccc4cdc9c6ebbe220e67409052d9ca20781a1d3423dd9586. 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/BR90B2303404.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa729ddba95056dce4fd204684c5638857583cc2a49786e49c4a822d9b55e96e. 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/US3DF2440360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabf719817e6aa88caac9c400b023f714c54d5a2a5cf444bf18bcb503e00630ba. 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/US3DF2440771.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9647f053b5e473fd2980b36beab1d8eb2f424832b67895be8e48c9ea1ec3f455. 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/BCOOP2300030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25adaca768ef689324e9dbe528e2aa0ea06ef2e7111918ce2361c2882432296c. 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/BX4IU2328117.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa291a896cd04aa2c53eca487543ab41a585086622d22c976c94c1f22a159b189. 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/BX4IU2328120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x123bf19ccccb5c5625e7d18aa29c48682a5aa9334a292a7b3868a1b3a8994d40. 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/BKGNK2300002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefdabd8a0c9e8c362b0e7f293b913d26e8a52371be5c9f3914f152700ba25a61. 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/BKGNK2300001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42e5fa4df800a2b49359b7395a5515fba088987dbf3d7ace0797292d31a24548. 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/US3DF2469684.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2acf891015380fb59c9c3b17da97473f45098e63525e32f31441eaef66afcb2c. 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/BKTKU2500060.
Joga o Cabelo X Senta e Quica (Eletrofunk)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadf2109c3ce1d5cffc5f07e55ac85b5c91b68cabd990eafa21a8deb56b4a13c5. 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/BKTKU2500026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01167bee0bab069034e99aaaccdaa91eff780738dedfb48cc4178c61b0496cab. 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/BKTKU2400120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb5afd4168a5c8c25c35472141dcb322698975b71a2e1d9cb5095ae6bb50834f. 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/BKTKU2400024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58622fa43358b31e99dc47fc96e5552e3ebd58d270fb67da5fb54133146f21e6. 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/BK1P72400209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9aefa366c02de00c61527bf4b968d5444330f7d265c1eb7024d05aaf34d516c. 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/ESA112449449.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06b45532269f18026996ff4c33b41344123a18fdea33b0f3587bf4f2cdc2b210. 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/USL4R2452635.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4b643af975647244ca55d3c0f065567ec03dde27d37936f4a6201bf2f1950e. 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/QZNWZ2434442.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x219d398ddf633ea1a97f7f2ee70945b7e1745a84153ae203c801e0d47917602e. 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/QZNWY2488566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b501c68a44842a4d315f2b2ad56f40b0a544ab7bdbb62eaf4eba8050c2748df. 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/US3DF2460368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad1fa4f5388e873dd6de990530cce537d8f58d179bd90c42fc00565d784db7f7. 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/US3DF2450082.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb8bfaeba9fadff83cb118a16b4e121d07b5d2c467e243fc6e24fc54805cc809. 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/US3DF2447886.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2c0b81c9d0fad5775548f555eeff51cb45a056870d862419f1a5cbcd92fece3. 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/US3DF2441780.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a8a37d05fd389b207922e041a6d64091d8fcfb49f1318c7755b79fbafa2f820. 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/US3DF2436376.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b0d802075f1eef75127707709dd85d371c3b9854aa7c394750790f6af1327a6. 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/ESA112324584.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf05b7ccdd5595d6dc34488965ffdf5f11fd1c38ca8586f6bed640fbd3649f21c. 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/QZTB22363367.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48048144f366c4fad214f38deece62114cc1e0f3cbba027bbe5a7c62b3b1dbbf. 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/BKGNK2300009.
Buzina do Automotivo (Filha da Pxxx) [Eletrofunk]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c93c2b07144047d5ef996264e72226280a8c33ae2bc0f8e7927a61dc38203c7. 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/QZNWY2341626.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x367277a58604a5d006513e2c6c98e724a84fec6d357c7b304a5d1f20c8a7f955. 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/BKGNK2300005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73536da702bce0cb34cbcddcad9e3763228f8cfebc3f7bf3e4f8c758914243da. Chain 2 (Bitcoin): anchored in block 959146 (2026-07-22T15:41:47Z), 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/BXIV82269355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1accfe4ec74ebd8f59bfa9278f67b4e9820e208d2017ba3782b080c11cb119de. 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/SGB502466035.
Treino Pesado - Músicas Para Treinar E Malhar Na Academia