Kish may refer to: Businesses and organisations Kish, a military formation of Ukrainian Cossacks (see Kish otaman) KISH, a radio station in Guam Kish Air, an Iranian airline Korean International
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 0xc3fdd57a289ac885918f13a29a8c007421e4a0ed5995f5d8ac0ad4777d8d3d6f. 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/0d2c76ae-41dd-43de-9531-e44eeef6abbd.json and https://artists.proofprofile.net/proofs/artist/0d2c76ae-41dd-43de-9531-e44eeef6abbd.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 0x1aebc54c307e1e39d17d5beae1ef75eaac8090babfea432cc8ef444cd1486eca. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZDA72058542.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc49a0873fd8e659e726b7a7283c80cea4f1435cad07e8fd5e91fbf5857cec9db. Chain 2 (Bitcoin): anchored in block 958828 (2026-07-20T05:21:06Z), 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/QZHN62156101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1e293c9feabc71fc7efe35ac028301aae708e5b304b3fa026268d0e2358be6b. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:04:43Z), 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/QZHN92121488.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dacb3e8133d3942cfdb2e16e845f7390490030c7ffdf13d5cc6b10cb2e4e953. Chain 2 (Bitcoin): anchored in block 958830 (2026-07-20T05:30:12Z), 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/QZHN92189985.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d61584d425fd5d323d4ca6fb2f5b37669f62f4416b74fddc8112ade59aa8fd6. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-27T13:53:00Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWV2124290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22cbb794a2e073a952959bf353cbcc5603549df5aa0b06eb49f81d73823b109e. Chain 2 (Bitcoin): anchored in block 958506 (2026-07-18T06:14:51Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAT2189774.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee3bc4fbef900d4335ef58f566b399c5f866b496516ad5b7da96e7bb727ef82e. Chain 2 (Bitcoin): anchored in block 958792 (2026-07-20T01:35:58Z), 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/QZFZ22208098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77fc8d5f83dd7bc8ba950302062158770bb21219258e53a8dcdee4b7a4c7baa6. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN62285264.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1be537f00c7d542a195fdce97b7f0e08ea6fc11cc703d87835d5b056ba218a5a. 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/QM6MZ2461882.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f3ae5fb5990eb5a6b49437ebd484b5bf734c8168e286665f6184309591e44db. 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/QZTAZ2495163.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x509275066e110c212f764f055fe241c23521e1b90d8e53a57025dd8e7b95e6e0. Chain 2 (Bitcoin): anchored in block 958134 (2026-07-15T11:47:01Z), 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/QMDA72458592.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x509275066e110c212f764f055fe241c23521e1b90d8e53a57025dd8e7b95e6e0. Chain 2 (Bitcoin): anchored in block 958828 (2026-07-20T08:01:52Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMDA72458592.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6a223df582bc7209c35b922ea7816144ab5185178f37d20ae8ead62f7cdded0. Chain 2 (Bitcoin): anchored in block 957780 (2026-07-13T00:36:44Z), 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/QMFMF2461367.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc19d71779132b1682650ca38797f3f3b9ce15e5e6d70f0bc0d9fe637812c544. 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/NL3GQ2100624.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3075aed573d67c109ff657ba1bb4180c8274086c0c5c3911d1d8feee8ffec79a. 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/NL3GQ2100582.