LIN or LIN may refer to: People Lin (surname) (normally ), a Chinese surname Lin (The King of Fighters), Chinese assassin character Lin Chow Bang, character in Fat Pizza Lin (NouerA) (Chinese name Li
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 0x15649b97897bf0bd5a05a3c8bf8f67a6b0de77094bf42f222546eb8023831795. Chain 2 (Bitcoin): anchored in block 953717 (2026-06-15T01:05:33Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/88fa996a-70dd-402f-9f54-97d44c03c9a8.json and https://artists.proofprofile.net/proofs/artist/88fa996a-70dd-402f-9f54-97d44c03c9a8.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 0xf1b51d19f645eea9c9638e72ec7daff8e569ba4c802338917a2e74ba131e19f2. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/QZYD92403345.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2246072beb1e4335df44416d9e3c0486fc744a2ec4403e96113762d38109574f. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T12:03:04Z), 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/QZYD92404170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9473374d3b4f17d15e5efc204fbb8d9d6a801785d97538149f759f2fd5cdf36. Chain 2 (Bitcoin): anchored in block 958969 (2026-07-21T04:58:13Z), 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/QZYD92404374.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2ab969c646ef9897f08f7942b13cdebf3f6f4b3a3955cc117d141e4e4ac744d. 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/QZYD92404709.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a7370ec2af2af068bf32cdfd6bded8fd33897f83e7482e410604f685acdafe2. 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/QZYD92404708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1027e9447bb47a52e082077094512330e4b89d61623f6f925fb3790ce0f1cd5. Chain 2 (Bitcoin): anchored in block 957833 (2026-07-13T09:36:32Z), 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/QZYD92404770.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x716e67b71b52e247b68deeec824d5830cba6cc194a80cd6a55cc8574e8ad9992. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QZYD92405086.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30f57318ccb4c94bac1f4655d7de928e1341f79d2ec6c140d31ffa7b957259f7. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T12:03:04Z), 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/QZYD92405091.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeafa6c91e9b1c11ac6f18b21d769b233092cbda3bae5a51538513487fd1350cb. 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/QZYD92405353.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d28c13d671cd049532bd8a9ad827a6ae934adf0ab0b9078486e9af0947c2810. Chain 2 (Bitcoin): anchored in block 958543 (2026-07-18T11:58:44Z), 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/QZYD92405367.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf7ed69fd4f5c7339b9dfa16cc5f789f371a21e413b005e6c77734b69c8770c8. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/QZYD92505673.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb61ed050a7331f6ed538fa6debcc083f3b01434970de8d2ec2817776952e42f6. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/QZYD92506446.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa47eff79e414cdcb81d907d379a627e86f41410d1e9f221b7534b001b364567c. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/QZYD92506709.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3faef9bb6b7711add202f812972fa16236b198658368017d55708360f75f369d. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/QZYD92506710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e7352485740a21effbe9a0c5b2239286b3fcf166ae1b556328edc74d9a5b8e3. 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/QZYD92507943.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa80c34860eb8c423f796fc2ce3e8f7172b31f4bc21da9c343254205f04ee7b7c. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/QZYD92508628.
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