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 0xe7dc940fec2daf5c0a98f987f3bad1d06fa1b2da15fbd40f6d3cf8e3dfae1b39. Chain 2 (Bitcoin): anchored in block 953758 (2026-06-15T07:48:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b4ae2151-a74d-4fbd-b6e0-9035d8873eec.json and https://artists.proofprofile.net/proofs/artist/b4ae2151-a74d-4fbd-b6e0-9035d8873eec.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 0x9bf81453a2a2c871bea817e09aaa1c640a50480424871c169cc80f78909af514. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T01:51:56Z), 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/THMOB2400841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d01cb06dc993cb4961a86899c3575b1d1b46634d4c6c7ea3db2296141dec9cf. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/THMOB2402687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6454ef197554176e4e8ae183cc0d3e7892cdd0e1a8579e0fef09c5baa72d5b4c. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/THMOB2500925.
เบื่อตัวเองที่คิดถึงเธอ
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x416985a58a28938fdc96268322f888078ec13a0af5327c50bac873bf9cb6d91e. Chain 2 (Bitcoin): anchored in block 958169 (2026-07-15T18:57:00Z), 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/THMOB2500926.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd36f620a2626fda1cedc012c592d47ed9154a1ebd3d769d70b2db809ec359d9e. 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/THMOB2500927.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0403bf7f167a05a8eb353983b45544ab8ab0c88418fa42cbdc17c82d5296719d. 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/THMOB2500929.
สมุดที่ฉันจดไว้
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27b4f57991bd98a0f3ff3d5a9ea0ebeb935406fd0c97780146ba08b71f27c25e. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T20:03:27Z), 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/THMOB2500930.
ได้โปรดเถอะพริ้นเซส
จากกันตอนนี้ดีแล้ว
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3793fd8ff6fe980dae10235086eeb70a809ce4a0e22b24cf5a91ed713ea0cadc. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T22:41:00Z), 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/THMOB2505047.