Abdel Kader Haiboui (Arabic: عبد القادر هيباوي; born March 11, 1979), better known as Kader Japonais, (Arabic: كادير الجابوني or قادر جابوني) is an Algerian Raï singer and production artist. He was bo
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 0xcbec0a8f0dc4f35d112a13270e08e60c5f4ea31c16a5a2ef3d9019891e0eeb97. 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/448914f8-85ef-4d7d-aaa6-3f965200acf3.json and https://artists.proofprofile.net/proofs/artist/448914f8-85ef-4d7d-aaa6-3f965200acf3.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 0xbbfbd57e93228cb1a20c2e11c96d355624f3893b7c3e078727a597235d6b85b8. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T21:55:24Z), 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/FR6V82104890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52cd296a87a7f7c2218db07ae3649fbb4a0fadced252b54b873a2e6e965af04e. 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/FR6V81998603.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c876e3f88deff019a362219a54b128019c0b9ee2e8816fa5f7ef9cb69a44ad3. Chain 2 (Bitcoin): anchored in block 958817 (2026-07-20T03:52:09Z), 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/FR6V81998523.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1ea0c516f5777d7915a50d1f6f055b3c78ba28b08e080b848e60af355aa6092. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), 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/FR6V81998619.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8093f159d6c57366a12146c43bf315be7add290f29c0753dc041103323b0a3c1. Chain 2 (Bitcoin): anchored in block 956396 (2026-07-02T21:01:51Z), 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/FR6V81998622.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x802338cf912521cb52797e9efb2a8a684c41087e05e9a0cfbb6113c67a8cd202. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/FR6V81998623.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1f50216c99cfd74c2446c7fdd103b36d0d4606638a1f9250efc4b72c4bd36ea. 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/FR6V81566481.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2eab0375096668339384497574d834a525a967ed7e36bf0bbe2c4b0682558c3f. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/FR6V82000648.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf303d31a5cae0f45c14ef4eea5b380e38e97a4ac284e0049a21fd62e279353c6. Chain 2 (Bitcoin): anchored in block 958721 (2026-07-19T11:02:33Z), 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/QM6P42188173.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x634053ba3859f6d4a961423e8f39126717b873ce1474f57a07cd9c772f587356. 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/QM6P42188175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81ad8b4cae428447a914479eac4cf2327099a40eb71397de76e5660528aca8e8. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-20T01:49:45Z), 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/QM6P42188176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab0611bb865342ef9eb8e34cbe66ab2f10a3e863d1b69fa8f2a3f83b4cded227. Chain 2 (Bitcoin): anchored in block 958639 (2026-07-19T01:18:30Z), 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/FR2X41627105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb48a478bbc3015b220b33004886cdbc2f3deb36cdac03cc58355cf20f87ecc5b. Chain 2 (Bitcoin): anchored in block 958633 (2026-07-19T00:54:50Z), 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/FR2X41627106.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b5be62cdb075a0e588c7b8055a0c7cffee5adbe16a1e2e3a750b40318064179. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:59:06Z), 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/FR59R1711182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbe5fdb90df0e3709880261ba45a566a9dea932f8a77d9cdd66fa38dc47b6f2b. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/FR59R1804682.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c2f17b713f03080f25537a8eea0b4639a550b841cb45dc30543bb0a65e4c8c4. 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/FR59R1804683.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe42a1a4a81d21e872523123ea5e44f57d114bb4aaafbd7aa6f38304b31b405f9. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/FR59R1804685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd69803095127952692917b598242ddbf9e186954639c4d1265de767d71206984. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), 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/FRX201958386.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b630bdd72eb9217f4fe439a17fa1e0509dfd7a6d8c3c39da7c150f86e7df2ca. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:57:30Z), 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/FRX202054127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6389a4aa07651ddd84844b4d737358eebadd551a04960c146ee415ce55f110eb. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/DGA072334050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe16cfc86c0f511eefba5d18facf6d67983441fef9c60faca9a55e8c87ae62420. 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/FRX282454105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e2b11364ebaf4d2f324c3346e57f3a6342147956efe2978ecf43d8056abdfb9. 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/FRX872442547.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f713c102b03668452e664776c6d359a4c0d85f83f487a06f7ab3caa8a5f8e39. Chain 2 (Bitcoin): anchored in block 956578 (2026-07-04T02:23:20Z), 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/DGA082418052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0033e1abc227408129525ec0bce69374db6759a48360134063ffe5fbb0cc5c4e. Chain 2 (Bitcoin): anchored in block 957788 (2026-07-13T02:37:37Z), 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/SE5XG2502560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x264ae6417bb3f040b7238dd4270eccd2c6dff8713faccca2d73f9f78a31bc2aa. Chain 2 (Bitcoin): anchored in block 957782 (2026-07-13T00:52:48Z), 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/QMBZ92513453.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x727032ff192ce5e921db965af138066f48e5cc96110e3a8d02acb3208f579385. Chain 2 (Bitcoin): anchored in block 957785 (2026-07-13T01:55:31Z), 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/QMBZ92513454.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8873f4f025b689021d634df92fea1c8ec9ccb372798f1113c8f9a3d7e288f57. 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/QMBZ92528175.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb49483eccaaac0fb7916fb34d08d0e8240bf29216b05ce2534c388f290389bd6. Chain 2 (Bitcoin): anchored in block 957780 (2026-07-13T00:36:44Z), 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/QMBZ92528176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x009d63dd715682caead2201883c2984c15557e4e15529a6663dc6899128e9dc8. 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/FRUM71600572.