Clue may refer to: Clue (information) – a piece of information bringing someone closer to a conclusion. People with the name DJ Clue (born 1975), mixtape DJ Fredy Clue (born 1994 or 1995), Swedis
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 0xa7577c87665f2c5bf24ea4040029127375cbe53e2d9efc55afebdc4c7bdd2a78. 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/2b553993-97ac-4174-ae4c-3a66765e98d4.json and https://artists.proofprofile.net/proofs/artist/2b553993-97ac-4174-ae4c-3a66765e98d4.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 0x43b10771f044e71855fc10bcc0a8cb879e25edc19c940febb9214e51c4949957. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), 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/TCACW1619065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab5a074b7218188261b4301c64bb49e011e6a8aca707333e4c0c99341db89a91. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), 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/TCACW1619067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46d032cf2f6e6044a5db58571c431a36e4c476abe7a15165e68d889e4298415a. 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/TCACW1619070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c172a84fc97210d0916708389c373164e671456423a7456a75cef07c495f71d. 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/GBLFP1726952.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c11412ab26886f73dc6bb7542c22d7559798d0120ac479619a8db29e4b59bed. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/GBLFP1726956.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7712f6a8b9df94aa215beb4f2bbbbce198eed9472eae4b1e183a43847b8b4e11. Chain 2 (Bitcoin): anchored in block 960187 (2026-07-30T01:34:28Z), 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/GBLFP1726959.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x013b4ebdf86e826dcb129de1d28155a216a4f103e81cce37f84df12188644dc5. 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/GBLFP1726953.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dc23a18e594f4570473f7a47a42b4f118533adf8677db8a9d9a285e85cd561c. 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/GBLFP1726958.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb03fd200b9519c33abfbd670932276d68e5b959404dee1950d4b8a8fbab7ac52. 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/GBLFP1726960.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fad2355122a42678b711e0425832a37e141806446481da912e667e757dff24a. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/TCADD1796971.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25fe5d12752a39290758bd5d75bc531c3b17c26dc6af6aa89a8118f73a362fbf. 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/GBLFP1769135.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7746bbbe79342f8eb0b8e77f609fa2bd24ac9768c8e0149df5a37b3ff88ca327. 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/GBLFP1769141.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e15919e06f5a2d252186bc4b41555efbe5e37c2d5ef00e5f933ae528bc67a3e. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/GBLFP1769143.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe38c089f20209e49eaf1ae6ee44de70f1d9a3b0d3b9b9fd7bfdc748684204556. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/GBLFP1773632.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02aa2361c4dc0fd948677e4528385278be145e9f2ceeb7d62263e2d09b72cc33. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T21:09:36Z), 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/GBLFP1846368.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34342113116a492e81070302bb3ec6c23a19a0e39b79f9b9371c061f746d1d57. 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/TCADT1885257.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1710c4373d1f054d386b9ed32e62da34c08d21beb03d1574d8cc51aa59e359dc. 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/GB2DY2000558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x283278c6168aa2598ea444f9e3f587169864fa515a74e3bb7f035a3d3b6511e7. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/TCAHU2443551.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9daa87629817eb9f6f135a2fb473188aa69e4d6a117858aad8688ab748a640b1. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/TCAIF2418252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2416dc8f71d34d9efe60f67a7de8fdbddc12c4ff7bdc8db60048482b6a41cef6. Chain 2 (Bitcoin): anchored in block 958867 (2026-07-20T11:08:30Z), 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/TCAIF2418543.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf17c5ad0e62fe77408642992d2ce9c0f8d24b9f98ef2d338a05726bafb4ac17c. Chain 2 (Bitcoin): anchored in block 957866 (2026-07-13T14:54:25Z), 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/TCAIG2418572.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64031b845626897ac5c75d36e55b8161c736436e0961ea95ca144b4cc96f68b7. 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/TCAIF2418598.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42e5f9172511514e804bd7509fef00e9e719a64613bb29c7c7aadce8a059cb72. Chain 2 (Bitcoin): anchored in block 958130 (2026-07-15T08:37:45Z), 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/TCAIG2418653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x692f63e1f5fba3d82b94fd256345080d03c3fc853823d1569f8dd4bed42f33e6. 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/TCAIF2418777.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x041f73031385ad9b56f0f8437146d2023663d77bbebddacfde9806d4cef5450b. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/TCAJB2455278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x486fe2c210fa991a72e4f939548478a566d3db626098768d1407be5b63a72523. Chain 2 (Bitcoin): anchored in block 958331 (2026-07-16T21:55:37Z), 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/TCAJR2516244.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd04ccff62427146f5169137ae96a3788150d7fb139e3a0f6b905820bb9d32a96. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/TCAJS2516423.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe943696b5dd8cbdd2d0900812f9d0168839a26b4d6cd65edb002c33b255c35e6. 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/TCAJR2516440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1950cc1e5b28d7e1c7631274f97070b85ad0ae6271c87af0908c058fbf414832. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/UK93X1700049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bf09d81e08eb387c7177ccf8a01afa7b1eda0e6546a6088d94f5a9c4d1b5fed. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/GBLFP1742759.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9704a758a5b3537f2dda16cd093dd1be3f8e886a5e434383af1f121b1a1a677. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/GBLFP1777653.