1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x611ea582e763b4b9983d4735d0b46f3b7a26dfc2e11799f855b4994b1a61a505. 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/7e09825c-5b6e-432f-b73c-3b8de732f921.json and https://artists.proofprofile.net/proofs/artist/7e09825c-5b6e-432f-b73c-3b8de732f921.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb576e4ab87959dbf36135491c7bde5d9443b46f61b64f3afee00e82fd8ca44e4. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6FoayFn7vcZvScTZ67HuZK.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6FoayFn7vcZvScTZ67HuZK.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb576e4ab87959dbf36135491c7bde5d9443b46f61b64f3afee00e82fd8ca44e4. Chain 2 (Bitcoin): anchored in block 956862 (2026-07-06T02:10:22Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3iqmzI9mXdLK3xU9WEuZR4.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3iqmzI9mXdLK3xU9WEuZR4.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb201507aa7c932cc459bcc0a6ad9a86a2f10a368fd3e12450b913b0ac41ae832. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6ornlfRyoB2eYb9kkCUIh1.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6ornlfRyoB2eYb9kkCUIh1.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb201507aa7c932cc459bcc0a6ad9a86a2f10a368fd3e12450b913b0ac41ae832. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2Lc2T9jf2RN1bZTjIuCqYq.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Lc2T9jf2RN1bZTjIuCqYq.
It beste ut de Fryske top 100 fan Omrop Fryslan 5
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bcb10cd52df7c51f38c16de22660f9a83b37e1fedd02bb0475b99257b77d807. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/58rmbbtMjDmNtBGAzRVhPg.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/58rmbbtMjDmNtBGAzRVhPg.
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