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 0xedd8e20ec0276c0e36efb32309535403765596c82900321336c5da3d5ba3ea87. 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/15328124-17eb-4e6b-8e59-b61e044f02e6.json and https://artists.proofprofile.net/proofs/artist/15328124-17eb-4e6b-8e59-b61e044f02e6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
เธอจะบอกว่าเหงา
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 0x442b48912a1cd9813c00321add298b56597fa8f2f8ff677f1d8ad1816381b494. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/FR10S2093202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8903ee32fcd55a1603dc1768a11c1728e2a3903089bc27647714708978b046b3. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/FR96X2157998.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x250faac0083b19d4a73a74a58ba5d4171460e7fd1cd7c775cbbc82e16d211e64. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/FR96X2157997.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9e53ab3d3218662850b2c31034eafc8dc5dae1cd171aa6512c998c0516dfdc8. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T00:05:41Z), 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/FR96X2157999.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b16c006104f0fc3a3bb9de55a29c4d0ee86304e88fe85cbbe47a96097146dc2. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/FR96X2158001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc534c4f4c55feb22daba46058f260b9578d3663d23da8c3485b41554b775d5e0. Chain 2 (Bitcoin): anchored in block 958368 (2026-07-17T05:03:25Z), 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/FRX452160685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51d82185b6685d031be2eecaec95e5dce1793ae85562cce84221bdf7246108af. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/FR10S2215206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf82b5812ff1c20267f8d6680e117ab303ebb023481270ba2f499d1903be933b6. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/DGA072337899.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdaeda91d9de5d9fe50dce28f185c14f8f069763779b5f56100bfe0d3cf14044. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/FR10S2476661.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d1231437f634424e5b51165d81c83be5c682d5982344cb39ddf1e1e26f21992. Chain 2 (Bitcoin): anchored in block 958563 (2026-07-18T14:29:03Z), 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/FR10S2476676.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96802bf9356fc73f74a2d740c0e1437be2943e9ab9364ad7b34ce9dea31d57bf. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/FR10S2476667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11be7f9ade2fc358a305624ab540498d1f546869a888bc10a0817124e469faa2. Chain 2 (Bitcoin): anchored in block 958355 (2026-07-17T03:11:50Z), 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/FR10S2476668.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed9be247ecd176e82d47437fa4fe729fc1b4d5d4f60f7c9f0f2c650846e3253e. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/FR96X2435620.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd67dfbef9749c812f6217e92b7f00f3668fb8b16aa579052aa4da6390c812d0. Chain 2 (Bitcoin): anchored in block 958567 (2026-07-18T15:22:40Z), 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/DGA052479394.
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