Fine may refer to: Characters Fran Fine, the title character of The Nanny Sylvia Fine (The Nanny), Fran's mother on The Nanny Officer Fine, a character in Tales from the Crypt, played by Vincent S
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 0x78f56efee32fba4683c0cd64c202cae859dee07a29ec14e1979fbdcf66063486. Chain 2 (Bitcoin): anchored in block 953620 (2026-06-14T09:36:10Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1e03115d-8b9f-4ab6-9689-a799255551b2.json and https://artists.proofprofile.net/proofs/artist/1e03115d-8b9f-4ab6-9689-a799255551b2.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 0x075daf4298f58974d7eccbe185d37282eb406d144aa458ffdab7aa99cef6b26a. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T15:36:35Z), 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/SE5BU2501043.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x553e88288cea3a78bdc1bbea4627feafe13cb4d6480d214f2d7c63263c7cf7c5. 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/SE5BU2576038.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51a1bcebfe2eb0aec2015a57e995862ccb24bdfc8d27c17abbe99d643311f777. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/SE5BU2576039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cd44e99b62e858226b2abad9569342d21e188f11be6b0cf6013191ef846f595. 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/SE5BU2576040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f9053cc58fed1766a22b33b450476bd482f65a8e0dde9a99baded048e3b3862. Chain 2 (Bitcoin): anchored in block 958582 (2026-07-18T16:47:25Z), 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/SE5BU2580502.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc646375efb40bf13357efe29986356ad83e89c35122b7e0432ee567a9bbd70fb. 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/SE6XY2523655.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9fec559865a5df6b90d9adc5d0de5b4d97bcd9cb8c83f0378978672f3038a1f. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), 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/SE6XY2537531.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2ebe4ea764d04dea80a3e7b0977c3659bcbecfd3474b81e96cea4094d7901b7. 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/SE6XY2543676.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e05ead67d02b0f5af1322bdede62e9aaf0d4b186b12e9bc144c0551653de74a. 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/SE6XY2555752.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ef66922156f43b6848499577926ca185cc635d58549d7696f5073201531e6ad. 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/SE6XY2567726.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73c5a36ded9001a09e41c48176b35665a34b6ec7b48d024aeb716e13ffbe8d0e. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/SE6XY2567136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb49b8b5ae9eda8fa91482336912fa417fb744cdccb31f5aa0a43de3965fcc6e5. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), 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/SE6XX2537363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12b2b5a5ca1afc68e47636d4524cd30dd37211842efbb0b493c4a9c079148d8e. Chain 2 (Bitcoin): anchored in block 958870 (2026-07-20T11:19:23Z), 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/SE6XX2528889.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x711d1f249e495fa5342204dff6fb9d3ff0d116424b0dc89f61c650db4a0b9927. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T16:23:52Z), 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/SE6XW2536579.