Ciri or CIRI may refer to: Centre International de Recherche en Infectiologie, an academic and research institute based in Lyon, France. CIRI Human Rights Data Project Cook Inlet Region, Inc. Continu
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 0xfb8e4b92b654d3a21ffa06bee402055d14d3eed106865fb88178d3527cc75b72. 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/e73c86e0-845f-4050-94d6-d7c1300752f5.json and https://artists.proofprofile.net/proofs/artist/e73c86e0-845f-4050-94d6-d7c1300752f5.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 0x8cfba28dd8125eb054ab8780a303e51aca861c33b636fc5f10b4a6fac02dd7e2. 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/SE6XW2313835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41718c462f5d45afec247d9ee0729e9b14e36b61055d91b6aa2011789008981b. Chain 2 (Bitcoin): anchored in block 958122 (2026-07-15T08:02:29Z), 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/SE6SA2327207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc6610000e99add238842f23d2591a125861c73d4642dee838405366ac8205bb. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T02:01:41Z), 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/SE6XW2304841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cfba28dd8125eb054ab8780a303e51aca861c33b636fc5f10b4a6fac02dd7e2. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/SE6XW2313835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41718c462f5d45afec247d9ee0729e9b14e36b61055d91b6aa2011789008981b. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/SE6SA2327207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6125069caebddbc0b09f1b012395a8aef389b2da49cb516703a0fcc59823540c. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/GB8KE2409301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea5c763d4100655bab0c63996efc7bdee9889061b4cc66a02ea5f6a7bd8db8a3. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB8KE2409302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47b871c27970b2cba47b4f2fb7e3d5f67b94de7dcbbb19460e0eceea0360f8d5. Chain 2 (Bitcoin): anchored in block 959037 (2026-07-21T16:59:47Z), 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/GB8KE2410623.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d5822219a68c08eab7df251e012b5759f7e39919ed674af2471c6225fcd7b8d. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/GB8KE2420565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf53220f29d652b1f36072e51b7d1428157b95c1b2cd3deaa08e66be278cc2c21. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB8KE2420566.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f084f7ce0141ae22214b2cea8c1b82f2b2c6c743e000a7dd68e91ab832d6328. 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/GB8KE2421636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x730b762c09e5270974a258e76323983a3fee6f30118313afcffa161ae581f6b3. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/GB8KE2421680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x049b8b80596d132b6623bd3ab6f67587bc4797c7748117a099a32417daba7eae. Chain 2 (Bitcoin): anchored in block 958673 (2026-07-19T05:38:28Z), 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/GB8KE2424671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87b263b18a92d506fc6751d9c6f06afa4254f4992885c391f9962cbff9ff6cd5. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/GB8KE2424673.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55d8a20b89f4bc340607187b5b4b18148af993e0db1780492efb6a836ac1cbd1. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GB8KE2426432.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x680e4980c4b1831fabd15063e19c3c21f0362ad38a500071cc3caadc93166ac7. 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/GB8KE2502836.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4f11355c8aa5b45b7765c344a753831848389b77492fffeba40ca655bec1694. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/GB8KE2504239.