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 0x5b89785f6e65756ee56c296140b9dad306f618b266fd82126f9fe8f39b8aedb7. 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/d7fed2de-e718-4961-97a5-71166c20ccb1.json and https://artists.proofprofile.net/proofs/artist/d7fed2de-e718-4961-97a5-71166c20ccb1.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 0xbc70c1d513f3bb59e86cc64648a818e31217a4c308651eced810e7a66464c61e. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/46qgaPZ0GzzfhlVsZ32KbP.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/46qgaPZ0GzzfhlVsZ32KbP.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5774cda165c52b22b2cb47081ce44990c3c3e8a83256a1131beb7e528fcf8580. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3SISJopqXw7DbX1PWhBOwB.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/3SISJopqXw7DbX1PWhBOwB.
Look Out Baby (Here I Come) (Bonus Track)
Big Crown Records presents Crown Jewels Vol. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d6c47b39e89d428adfd701ebd5f2d9ffcc45d5f22ab506729d5165c0c743638. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4bQKjboWoL7IVsRRX4bTah.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/4bQKjboWoL7IVsRRX4bTah.
Big Crown Records presents Crown Jewels Vol. 3
Big Crown Records presents Crown Jewels Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10fc32d50ac45f3511d52e5187db98c10df3beac63a40e7f494344c8c5985baf. 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/6XA82xmcRmiDJKqSUNT9Qo.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/6XA82xmcRmiDJKqSUNT9Qo.
Big Crown Records presents Demoitis Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x684db95e8d42ea660634880e49b22ea77bda88adc2d3cdf4983398a87999efb8. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6YghFnQErIo838vSnucQib.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/6YghFnQErIo838vSnucQib.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb22ff36147489ac5573ea1026bc996762f82586c4e94f67f12505694b576ec6d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6p9N9XjbtPN7ajQsU5Xleg.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/6p9N9XjbtPN7ajQsU5Xleg.