Dyson may refer to: Dyson (surname), people with the surname Dyson Dyson (company), a Singaporean multinational home appliances company founded by James Dyson Dyson (crater), a crater on the Moon
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 0xe809b29528184728658ea9aab1daaf36ccd45f4202368f0ac0ddad033a507914. 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/7436658d-4460-4c60-af6d-29960d2f09ad.json and https://artists.proofprofile.net/proofs/artist/7436658d-4460-4c60-af6d-29960d2f09ad.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 0x2c35437de57c98437c89e604ea2873a1ab270e56a5963911be468610f26cad22. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/NLQ8D2400194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4207c7cbf30e687ca618e7f26b948c5fdfec5a1f018fe9897ca229921140b82. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/CA6D22300342.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5bf54d484204c3aaf538e8e81489c384bcad4f8df1e61367edb9beba4fc8406. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GBUM92300081.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc49e0b3eeb61dfea399e68ac9ffb0a30080d7f2f31336dcbd06155040e811b1c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CBAUX2402713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x976eedc7b8c82345fc15b036ba0a58004d48b34128c6b651fc1be4eacf4fec0e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/NLF711603725.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbcdaedc899fa891a0a07fd65cde75a86fbe2a7effee4933f58afa4de91bf9f3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/CA5KR2330433.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc63b72b2671d5df3d5e245c09845504da8feb516d0215a1244ff3ffc2d193211. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/NLF711902943.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38d80be47ab3590ebdae9e904fe86ef646087dd630c02a12ad0d89c471e68ddb. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/QM4TW2318814.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbcdaedc899fa891a0a07fd65cde75a86fbe2a7effee4933f58afa4de91bf9f3. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/CA5KR2330433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbcdaedc899fa891a0a07fd65cde75a86fbe2a7effee4933f58afa4de91bf9f3. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/CA5KR2330433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbcdaedc899fa891a0a07fd65cde75a86fbe2a7effee4933f58afa4de91bf9f3. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/CA5KR2330433.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d540997209385b4ecb6b8174f25c538ea487ce6069cc33580a3bb635fbda49e. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/NL1ZN2001174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46ef266a09505f4b52339e4f44028e532a69c8db159cc6aa9df83ff73fed05a8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/NLZ542001641.