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 0xca02937127866922e62341ef616dbed43ff01d6b38a7d4643030819a2fac66e5. 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/b8ce91dd-bc5c-4ff5-9349-519ccc8204c6.json and https://artists.proofprofile.net/proofs/artist/b8ce91dd-bc5c-4ff5-9349-519ccc8204c6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Papo - A Sangre - Papo Vs Cacha 2018 - Live
Minutazos Vol 7 Freestyle Master Series (Live)
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 0xf630480724c1aef150c980dc60a97e208ea3d26695ec82411a5087a8664f5305. 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/ES71G2330158.
Papo Vs Mecha - FMS ARG T4 2021-2022 Jornada 2 (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf75e27c3a04f9a03ededb4bf05e4abe3c691f1c664decd4a46a1203856063a3. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-07T13:25:45Z), 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/ES71G2202015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f579cb9cd3ee7edf9bb71a28a4ababbb824331c9d2fb5e3513904596eb80da4. Chain 2 (Bitcoin): anchored in block 957012 (2026-07-07T08:27:05Z), 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/ES71G2202019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1d3805276decae3f44602bd6c83a6980f3ea64581980d10c6f5d758f678b76c. 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/ES71G2202024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe88dcb397221cef3e83198bac14ca50672feec3850a43ac250260e1b8f97177d. 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/ES71G2202026.
Papo Vs Cacha - FMS ARGENTINA T5 2023 Jornada 7 - FINALS (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08c03ea3a5c363c57a643b5aaf3e2fd275f2b650d6eec4516356e42878f7062e. Chain 2 (Bitcoin): anchored in block 957041 (2026-07-21T17:12:13Z), 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/ES71G2337012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98ab0f54815723d77cc215029292e6e602da1f93aa5489f8090e6c312d2f7bc7. 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/ES71G2337015.
Deluxe Papo Vs Cacha - Papo Vs Cacha - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19e8c7e8212c5622594c5456af95c197907c9dc75986eb5496d9c0c278d8d241. Chain 2 (Bitcoin): anchored in block 957020 (2026-07-07T09:18:01Z), 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/ES71G2337017.
Papo - Easy Mode - Papo Vs Replik 2019 - Live
Minutazos Vol 15 Freestyle Master Series (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4947c08f214c36d5e04355a2f6be09fc1c395242cfba0c7e2422200339e7fd7d. 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/ES71G2336209.
Papo - Tematica - Traperos - Papo Vs Klan - Live
Minutazos Vol 3 Freestyle Master Series (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65bbca46cb304eeb9042fcb371019c88cec7a62be7b624b288e46630c7b0e87b. 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/ES71G2328414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8534726d00fa3c67cf08fea9ef1cfc18ae5678ba56685b3be916d784395e3a3. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/ES71G2202018.
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 0x8d91243cd524924abe4af9580279d5e414efb11548121a7bc8ca1c989ef6a7b8. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/ES71G2202022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x990e21f595683996535ff31d79534ed49fdab548fd804822a5f4490bfc2c671f. Chain 2 (Bitcoin): anchored in block 960157 (2026-07-29T22:12:10Z), 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/ES71G2202023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe41cc19be0bfb6b682c1bd21964d4e4eab4286b83b70f112ebecf0eb20193407. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/ES71G2202027.
Incremental Mode Papo - Papo Vs Cacha - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4e03ca475c0bec9fdcc5732d099060c040cce7952e45ffba146895b7c4bcda9. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), 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/ES71G2337008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50a36c90b391bf3f93ed167478e1b3317688481b0b736a6f475ecf4ae939eeff. Chain 2 (Bitcoin): anchored in block 960193 (2026-07-30T02:05:19Z), 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/ES71G2337011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e1796ce51d0706144afb219c500f282f30df9316e73102ae42c6bfb0420153a. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/ES71G2337014.
Papo - Tematica - Malvinas - Papo Vs Dtoke 2019
Minutazos Vol 13 Freestyle Master Series (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1fdd2b8118cdab1b7c3c4204acdbe16cfb06b5b0321524fc74466ff06b0c035e. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/ES71G2335383.
Papo Vs Larrix - FMS ARGENTINA T4 2021-2022 Jornada 11 (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a2c3bbef2475a4e7b7d43c70efb9992fb8e2a44eddffb53b4787be1448f41d8. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/ES71G2309173.