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 0xe6e6883925868536b5d5647a90cfd664301be6f3d4c55fa79eca55d5f8d33b19. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7cff258b-49ef-464f-9aa4-2a539fa3a59c.json and https://artists.proofprofile.net/proofs/artist/7cff258b-49ef-464f-9aa4-2a539fa3a59c.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Wao (Siento Que Me Gusta Demasiado) [Remix]
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 0x6c86738504d97333a4ae943d908d6d9f405c85761d96444e76a7dcf7113609d5. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T15:07:00Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ42158671 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83628cea40189dc0d54b20cd1b3f182b5841789ae9b2dda3180bf89d12d29f67. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ52103036 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa190e47e6c458aaa04df10bf9d570d87c35368bd4869fd0b2236e1d99782e448. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-19T22:55:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ52195016 — a six-check JSON result.
Ya Me Fui Vs She Don't Give a Fo (Remix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5794ec862b5f105174f2e6ffa70070b392fbfa79c3e36af497f57e27c3b4cc7c. Chain 2 (Bitcoin): anchored in block 958726 (2026-07-19T11:47:20Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMZ92190299 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92974a61a5cefa2ccfdb57b293c36484cbc17f676b52c9bbaef8bb6b9fc91faf. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMZ92181410 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f8d660e73df964679b36d960a58d1b0041b0f3b8cfc0f513cbf53e7c9fd102e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2140484 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1648fa87568dd62fc98c49a6ffca5a567e9cc2718a714381939202cbad252659. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2162858 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecd5e6f5a84e6c5b76c226cf750fecc546693526fe3e4e8b263440cad472d51d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJZ2178847 — a six-check JSON result.
Tiago Bzrp Session (Intro Escapate Conmigo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44b5a11f7e5899ea54876bc470d058dfa5b9535e305a7d920c4779e5b192190a. Chain 2 (Bitcoin): anchored in block 956745 (2026-07-05T05:33:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG2261051 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20d351810ae23cd04144ad312935e21a6c810f9abb02464dd444320600735f85. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLM2252145 — a six-check JSON result.
Esto Recien Empieza Vs Ley de Atraccion - Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8910ca0869d214a4f8caceb9280b62c2a91890f4dbaa789837be8a5104276a09. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T03:03:40Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLM2256085 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9bed49f9dff47bb4ef0db902acbc33ec0930660c1ce6f6e1f9dfd8da1ebf5de2. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLS2268421 — a six-check JSON result.
Una Noche en Medellín (Me Puse las Balenciagas)
Una Noche en Medellín (Me Puse las Balenciagas) - Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0286d928a503d543492cb3fe030d4d3de965a2e09192d6a70aed6d17240bc92. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLS2282867 — a six-check JSON result.
Numero 1 (Chica Fresa Le Gusta Tini) [Remix]
Numero 1 (Chica Fresa Le Gusta Tini) - Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c84f021a72ec4117d5bcf6ac8006607d2521173e8070a760f5a5ebac43da23a. Chain 2 (Bitcoin): anchored in block 958218 (2026-07-16T00:33:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ42238266 — a six-check JSON result.
Ojitos Lindos Vs Como Se Siente (Rkt Chill Remix)
Ojitos Lindos Vs Como Se Siente - Rkt Chill Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41864509cff5d5e7a4e45d091faff63fe7238ceb0f6c6f8e389c5f795a166a90. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T12:03:04Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHZ62217956 — a six-check JSON result.
Antes de Perderte (Intro Mashup) [Remix]
Efecto (El Gatito Tuyo Te Perdio) [Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e86d01d52d4610f2ac7213d042ba4bdb9b4ea839eb15b19df35d18d33b6a4b7. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJW2285883 — a six-check JSON result.
Quevedo Bzrp Session Vs Cayo la Noche (Remix)
El Ultimo Beso Vs Robarte un Beso (Remix)
El Ultimo Beso Vs Robarte un Beso - Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd91ca1b49532e1e3b5c90bff994f80b49776a58e7abf918195e64af46392bc42. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T17:59:52Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTVM2227013 — a six-check JSON result.
Dos Besitos Rkt (Yo Quiero Uno Como Vos) [Remix]
Hey Mor (Si Estuviesemos Juntos) [Remix]
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1af6f6fe4535a5a8f44fafe546432d08ae39f38e4fe9945f1c7eb27a08e0046f. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T12:00:27Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9N2226312 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffea4d40c4cc02d977b6ec081deef49d6f6050eb782a4cd481bbdc501ece0df6. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ5AB2304067 — a six-check JSON result.
En la Intimidad (Intro Marisola) [Remix]
En la Intimidad (Intro Marisola) - Remix
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fd9099940970968ef18b56e87fecdabd5d7aee2ff71c79045b10a2f6e0f24ec. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ5AB2314577 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8830539be37ab6799209ccebac8d819cd98dd1932f1bb9f1a962d2b59728ab0. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T00:01:46Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJV2320607 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d683229dc980dfc216ad235317657c1d207ef4f4d1bf324ac66d876a60b5b21. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2394346 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ec83d3e99876be6de0834c497d98e9500c3df5da3ba93b4c992c480c758e0fb. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTVM2484991 — a six-check JSON result.