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 0x3206ad90beadcef5d79c98929498d3f2d8542617e7ca486876bfdfad94257111. 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/d0ee50e3-7b21-4897-b59e-297e2462f0cc.json and https://artists.proofprofile.net/proofs/artist/d0ee50e3-7b21-4897-b59e-297e2462f0cc.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 0x811f6c30b32e97bbe450deb404bcec81bea8e52521715497acf4da49096b2ec3. 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/QM6N21901189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac4ed0fc45ae11c1e781052d01000eb93ab82796ee22c0f4a43e9982f101e415. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QM6N21901190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdda415d8d6f56beb921cfaba28b9b7274081db67bb2a49c6a1ba307e5689abcd. 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/QM6N21976951.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd949ee565e5d056014d7177ba29f07555dc552099bc7330cacdecb818af516c2. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/QM6N21976953.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36015c65d9dffdbc11c228530eee6d0640884fe24186fe63b6608f0cda51eee9. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/QMBZ91911062.
Zasko vs Gazir - FMS ESP T4 2020-2021 Jornada 1 (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03c15e44806a6d30ff0945a548bfc57939cb01222d68f518b9ec9661e3cbfbe7. Chain 2 (Bitcoin): anchored in block 958822 (2026-07-20T07:11:46Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2138812.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3394020483ac0f7483ce4b32804fc4232b333a9b5b2771b99d3dae4c95e594a2. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T10:08:39Z), 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/ES71G2138821.
Zasko Vs Mnak - FMS ESP T4 2020-2021 Jornada 6 (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x161b8330e99e5f275b621e14aea0099978b6bc31ac94c8ca5c60e08b6a4904e9. Chain 2 (Bitcoin): anchored in block 958380 (2026-07-17T07:07:02Z), 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/QZS652250002.
Mejores Minutos Sobre Beats de: ORLATHBEAT
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5737f24176a533b2c7d1defb7ea6120ed327a22cd046ac692e4590b4f85bf5aa. 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/ES71G2404275.
Force Vs Zasko - FMS ESPAÑA T6 2023 Jornada 5 (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafad2c2f803a39e237b0a925c774ea763fb79ab00f452f3a240a5dc6d61bfc75. 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/ES71G2333800.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fa221814243fdeee2d362ea5c3032985d0a184947fbd5b2302fc7495e311053. 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/ES71G2333802.
Deluxe Force Vs Zasko - Force Vs Zasko - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa95592f280a1cc4327e99fd131098d45b9f66c744d649f200f036ae97923fa98. 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/ES71G2333804.
Sangre 1 Zasko - Zasko Vs Jesus LC - Live
Zasko Vs Jesus LC - FMS ESPAÑA T6 2023 Jornada 4 (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x949936ee5379b5674629a22fcbcc36ff0bacfc7d06ccf22b198941b29e489ec5. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-21T16:13:37Z), 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/ES71G2323033.
Snk vs Zasko Master - Cuartos de Final - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ce516729c48d2681b68014e0bb63bcbc5e63191e62f988095cc1eb0bad519e2. 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/ATRG71911309.
Lobo Estepario vs Zasko Master - Octavos de Final - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde8c6a27b5b38a676f1136318409ad31fda5d8548eefe08c0a7222d8a77d778d. 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/ATRG71911302.
Force vs. Zasko Master - Octavos de Final - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x887ea84c10fc95997d0157fbf475958ff749695e5ee5c083dea66d89f2a89d47. 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/ATRG71884008.
Sweet Pain Vs Zasko - FMS ESP T5 2021-2022 Jornada 2 (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd621b2b8a601db7e5229929a27bf313d31edf0ba08e9a0ffceddf465c3dc2e08. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES71G2207382.
Zasko - Hard Mode - Zasko Vs Hander - Live
Minutazos Vol 2 Freestyle Master Series (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3a85fe65f31922cff8de40acf180680b6b5fa95db898bee9d94683f15ff305e. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/ES71G2328911.
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
Zasko - A Sangre - Zasko Vs Walss - Live
Minutazos Vol 4 Freestyle Master Series (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbac589104a398664025e7ce37aceb1f96b00586b5e0b08089722fb6ed384c0aa. 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/ES71G2329873.
Zasko - Tematicas - Energia - Zasko Vs Walls - Live
Minutazos Vol 7 Freestyle Master Series (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6113dbfa0daa8d623c6e7e6354c8a535bc6cabf89720b176dde211e8eaa0afe5. 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/ES71G2330165.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x927d833977da863787345d09bb02ea603cd78184fa5d6c403bf142850575c2b1. 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/ES71G2333799.
Incremental Mode Zasko - Zasko Vs Jesus LC - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45f6c2c7fdd0f6013c503f223875f39d13b71f4fcc9faaf79e447621a53fe0f1. 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/ES71G2323029.
Sangre 2 Zasko - Zasko Vs Jesus LC - Live
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae4a3bc2dd4a7a74d7f9b293248f70832ddc5bc239c0726fd81d31b423fe5bb0. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/ES71G2323036.
Minutos De Presentación - FMS ESP T5 2021-2022 Jornada 2 (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ce90de7dd7aa01e3c9fcfedf7b1edc50b13844665f062b90320937c1878000b. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/ES71G2207413.
Minutos De Presentación - FMS ESPAÑA T5 2021-2022 Jornada 3 (Live)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8196b458cd08163ceb4441e94d2a402e06664937dba83fc499fcf88b615dbc3d. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/ES71G2213634.