thumb|Illustration "The Whirlwind Seizes the Wreath" (from the story "The Fairy Aurora") Fantasy is a genre of speculative fiction that involves supernatural or magical elements, often including comp
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 0x32c39c253216b98720a70fc80025acab5e89137cbb322aea8f6a7a2fbb9e89be. Chain 2 (Bitcoin): anchored in block 953765 (2026-06-15T08:55:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bbefb8f8-0dd7-4198-b832-aaede6a90335.json and https://artists.proofprofile.net/proofs/artist/bbefb8f8-0dd7-4198-b832-aaede6a90335.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 0xf470f1cd2fb041246ee6365e490b3e73e09f714287fcf6a5e134ff7408feab12. Chain 2 (Bitcoin): anchored in block 958558 (2026-07-18T13:44:16Z), 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/QZDA72234706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b02177da82da4f6a726b8891a16ce54ba92da11480f4d38e9548420c90e30f1. Chain 2 (Bitcoin): anchored in block 956859 (2026-07-06T01:42:12Z), 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/QZHN72264596.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf470f1cd2fb041246ee6365e490b3e73e09f714287fcf6a5e134ff7408feab12. Chain 2 (Bitcoin): anchored in block 958373 (2026-07-17T06:09:33Z), 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/QZDA72234706.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff6814423ffba28eeb58427a14b5fc945f87e21b6ef3842849da7504f75acc5c. 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/QZNWW2274900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad001b8d230a5c97bb4ca5c2d227ded0fe7820c975ef655681188268652ddf4b. Chain 2 (Bitcoin): anchored in block 957747 (2026-07-12T19:35:06Z), 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/QZTAY2208116.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x131214124f61ba5030d8eb2b535f95991969ea955cb1f7ee08c670d371305854. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-02T22:05:07Z), 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/QZMER2348302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe56dc907ff6ee9d305e6fb3224a26d65863bd3b23187f57d63fa3593339f1022. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/QZTB22311697.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66aee1129954b92ee101b16832f6878e6b9de17f066b3e2dfc4b3f2cf1420396. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/QZMER2498079.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81ef49321828725c1607d708f572790bd96a43c51dfebdae230f1c6fd90d4344. 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/QZTAS2496112.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc87b114c628ff2bf7ba0cdc370915ed32d8f31fdf647d2ffe13c7d15eb99d05b. Chain 2 (Bitcoin): anchored in block 959069 (2026-07-21T22:32:59Z), 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/QZWFL2425200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5147a08ec1fe6ecd723327782a93caa343587800a08b9866a92c03d9528d8811. 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/QZZ7V2433903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcedd26be56c49135767a9f1070cb427b0891b98e316ccad9d62610f7999f65a. 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/QZWFK2528713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea7da24529665db3252818b1e3d484a6d628d4c674104c6dcd9dd5ef2ef10e89. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/QZZ7U2584421.