Kiki or Ki Ki may refer to: Places Ki Ki, South Australia, Australia, a village Ki Ki, Iran, a village Kiai, Iran, a village also known as Kiki Kiki, Łask County, Poland, a village Kiki, Poddębi
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 0x61dbfd0c333fe7a74947cb7d9ec67ccbf1a9a879d6cd3c8939c20bb27adc8651. 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/6375ce15-2d78-4d14-abd6-bc1061f45c4a.json and https://artists.proofprofile.net/proofs/artist/6375ce15-2d78-4d14-abd6-bc1061f45c4a.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 0xea7a3524bd0b76cbdfb19eb886951cfd6bd6d49476b2266ed141381d8311a4e6. 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/FIK3E2300058.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c1958421a4832477e93e8ea1262efc8de55ff7bbf1bd01a4fa5314254ec4dc8. 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/FIK3E2300084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce2ad03c0903ad413aa70b9d77e566a2b14eab65fdb3e8256e395d5a146e664e. 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/FIK3E2300085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff24203711512ecdd30a97f777b1c392fae1b0ec3b2fb188ce6246769078df20. 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/FIK3E2300086.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc494a9a1f40e83cb22c7563ac930bb80a1022a99f5e452b8472e2927a338c67e. 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/FIK3E2200554.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0768efdecd5730a6d1d3630d025eda276a368f27eceabbb08e2a42617743cf6c. 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/FIK3E2300087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e982529f91455097a0d2fc704960253f4faec3afb934b04be2b1e96ff664108. 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/FIK3E2100485.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x876b4708bc6b1ce2372650b5d1d5f4caf64bf5a0d349192c54ced2d77b92ee09. 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/FIK3E2300088.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28f7f875d10e5897cc0c265e6ea333dcecc1f2bf049145cf9cde64722e79d5d5. 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/FIK3E2300074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2db5fbad23d8271ec9ed852fb08236034c29cb41627b52635db277116b91425e. 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/FIK3E2300013.