thumb|DJ Patife Wagner Ribeiro de Souza (born September 15, 1976), better known by his stage name DJ Patife, is a prominent Brazilian drum and bass DJ. DJ Patife's first gig was at São Paulo's Arena
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e74666ffedefe89a09d4fc1c1c43def91059b4077441d08d87e31a6fb1b05d0. 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/c0d9029d-b04e-46be-85b4-e62d77d3111b.json and https://artists.proofprofile.net/proofs/artist/c0d9029d-b04e-46be-85b4-e62d77d3111b.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02fa5565233e24c5988f902077dfdcfaa978d652b8a7db52b2908ab46daabc94. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/BRTPA0500790.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd6dec0d7b390cb86e549e499aee5ac86219813ce2e429af3997ad9fe41fbe01. Chain 2 (Bitcoin): anchored in block 958817 (2026-07-20T06:42:36Z), 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/BRTPA0500788.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80a2f75dd1f50c867de67dd9f5925051f63b9830cb9a069f9410a8ae0ac07c8b. Chain 2 (Bitcoin): anchored in block 957834 (2026-07-13T09:42:16Z), 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/BRTPA0500784.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81cfca05d893a1e94f0635dd7acceb92f7c19bd7572f37d7fcc7777482dc20f0. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T18:21:01Z), 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/NLCK41401840.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd9133540fc4561c3365f13957f9d081b73226bafb39897ed16d8d50e3335682. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/NLCK41401845.
DJ Patife Presents Viva Brazil: Sunandbass Sessions
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe869df497654632faa3360a061e12062523752e657bd34fa8ef73af901e784d8. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/GBCEQ1700055.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf90a582049456a8c110de8c319e208e176fed3c51c3a1f1026f08d741f107933. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/GBCEQ1700057.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1830a99a86af018f25559def6919431c7e8ab3e1208d70e02e74b5cd249d031. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/GBCEQ1800065.
Bossa e Sentimento, Número Dois (The Spirit of Rio de Janeiro)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7756f0cc5fecee0ed47c8606145090dc622882fe4df092da1afa12796cbb63d5. 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/FR6V81890603.
Só Tinha de Ser com Você - Cosmonautics Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb66536aac5a2aac6934cc882456b400e139edc1d75ca1356884741f6cd628652. 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/QZ5AB1644598.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90c64a89df3662beb42d92d1239fe8f230a025fdd79f606d6b92f910485f11c1. 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/QZ5AB1644599.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6b43a8bac40d185c6a6f272ce553942fb343dd174c81937312319c6802fade6. 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/QZ5AB1644603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2893a82f6b078ac06317d3ee3b81cb511a35f429a4209fd66cfbffa824bf0b86. 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/QZ5AB1644604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe847ce31912790f485027b752095ff26092c220a8280d1e3dfabf407388731b0. 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/QZ5AB1644605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85fc08d53d0b5a0a2c110dae2d3e05cc5bad9f52c7550189782913eed093f319. 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/QZ5AB1644606.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e8911d8050ce47961a32c97a481aeb669f597ed7bd702555a088c03542bde3c. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/QZ5AB1644608.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c15891b43d3f30eb3e5b7741affaff0fb05010d4718c4e3ec13a58b79c93692. 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/QZ5AB1644609.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad15bbf691dec59787ba44e29b2bfba735a7951e1da11ce521e62279218deee8. 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/QZGLS1981054.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30957eaba6fd80d7c579e7ab87b92732097c20bfb316f79faa14877cb79660ce. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBCEQ1210395.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02eb9ee542b1d974cbcc8bcb782929d77e12a5a0de6c1e6ec8e30aa3e837b016. 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/BRP1M0900005.