Arwi ( ) or Arabu-Tamil (, ) is an Arabic-influenced dialect of the Tamil language written with an extension of the Arabic alphabet, with extensive lexical and phonetic influences from the Arabic lan
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1af7b705ca5e2fd126a4e3c72dc62e12fa0e2a464753b1ba3a8c39c09dc00c89. 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/18d72002-79cf-4e9d-a65f-b04cc31003c7.json and https://artists.proofprofile.net/proofs/artist/18d72002-79cf-4e9d-a65f-b04cc31003c7.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f85ef33ecf8dc20165f6d713d7442c568db7a53d812483dd8b592b660a9ce98. Chain 2 (Bitcoin): anchored in block 958086 (2026-07-15T02:55:47Z), 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/QZTAZ2300000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x117fcaf02ffaeec809aadbebc230ca3da67e7a308fcaa823efb4ed792b65b867. 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/QZTAZ2331367.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3659943fecec65a00d9c7db37e659e22e430c886e53c799654fc4ebfbe68885d. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZTB22370600.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf84b93dc81bf68db9657552ee078118aa875762940e8ba5ce71a563ec2abced2. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZTB22379059.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2f8ebfacab87d9193a1a576e911eb0cf5d0393b36515975e306afda9da4ac83. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/QZTB92397534.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09f5f5c547473356197a0cb3fb5c0e6ddd0311340792032c281d91a701304ed6. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), 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/QZWFE2377970.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bd0fab87e4f135541e8b51c4828f1e2cc7dfca3c13c19502aa21883e409c5e3. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZWFL2367848.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3572b18b69ddc9f6b65c8ae4aabd598e236ad9c302f6a903b4b1f53e11f5ab6f. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T12:01:07Z), 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/QZWFM2323389.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23473fc0ddf342aa8bd2470366f1beee6a2be2eddc7c5632910324258ffa2e1a. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/QZWFR2358360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4266f296487861690b69e5ab0415bc9303dc4205312ed843c34173627223e41d. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T22:27:04Z), 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/QZFZ32482673.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7bc9346c43b1008f89893b443a92ee1b19ca21e55573aa916ccae1e00dcd3a7. 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/QZDA52452677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00b458da6a80ebba33ecf471932815b66ea362ae7979410314a131b07b00838e. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T07:07:58Z), 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/QZHN32403309.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88d74672a6070842ab913a3a4e973c94654f9a0ebb66e35191eba115faadf76a. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/QZK6N2402928.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd44a835d1cd9eb346926780e257418f44c3152235938d767afb199f5f1fc467b. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), 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/QZMEN2468577.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34078128a0b6c6c7460977f65332502d62ea10b1a952e7ea131ecadea8ae18ca. 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/QZNWY2446340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3dc323fd7d148eb96fce2fc5147e59f966cc2edd2a5d93a1bb3f3f37bd57248. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), 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/QZWFK2408222.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf45205d9f5bd9ed855f1b1405d7f4fd45a85be92a4d457119b9e5425efdca6bf. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QT3F42452275.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7b325fca892d37d9567931e7fdf42197650f37e6d84676ff45404a0474ed685. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T03:08:09Z), 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/QZZ7K2401673.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb41124c09a94e89ae3f6726b26797c65ed845669a48fcbf926460ec8d33f18ad. Chain 2 (Bitcoin): anchored in block 958122 (2026-07-15T10:33:40Z), 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/QZK6Q2520233.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3961ff7b2fe7d5a3b5a2a2cd5ff299fb758dc1b0d58171857e6f07696dd5779. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/QZTB52563324.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf9e486379452acb4c60658eb592dfcbc20d2183ac0945a6bf1bd3aff5b4f267. 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/QZZ792554762.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6377e5ef1a7b6c50aba2c45214b42802f93b466d0f97fe6d4eb7ff95fa49de30. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZZ7Q2528016.