Mali, officially the Republic of Mali, is a landlocked country in West Africa. It is the eighth-largest country in Africa and the 23rd largest country in the world, with an area of over . The countr
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 0x27b47234d3d1792947192c23edb5312bcf98f38f1a6283a661a0baf92016b870. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8f369de5-3547-45a2-ba97-8f046bb428ba.json and https://artists.proofprofile.net/proofs/artist/8f369de5-3547-45a2-ba97-8f046bb428ba.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 0xef244de3e61200bec19d048e57cdd44f6751fabd148c9ce869ec634208271b64. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/USHM92032910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5850635d19992f2e892909a7862872dee703e26014c7a4d429f73e3c79b621ed. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/USCGJ2114616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf6d7b921d4575382edd4b658662781ad6afe1055e81e036596d2c157af82845. 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/TCAID2486576.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb1115b167bad3a9b06ab86baa8f276c4c610bba45c77c5254341845eb7c7f34. 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/INT202304094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb83701ee608b742b195855c685264e32c29d60e876a555b2a3052243b7ccfff. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DGA0M2370995.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb4fa3f6c5bd61900047a473a3696d310eee7a698ae3ec38f9d46aad676d2ae9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/FRX872367895.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef244de3e61200bec19d048e57cdd44f6751fabd148c9ce869ec634208271b64. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USHM92032910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c1edc8a1b017f4123f587abfd9b4e1e43d329d537f4a743bf17d644e511e53a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/INO131603354.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3713091d3b2cfc2367a79676f3c4d44d883b415ec52a00b8844dc31d10468418. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/INO131602259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87e03e324627e2334cc1e377093ccf4772ee4fc5989e94fa517834266a0ade81. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/INO131602262.
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbb6fc2ae13d4bbff7cd63469d8bf563cc908759109be72186a6a7e4e07051d1. Chain 2 (Bitcoin): anchored in block 957046 (2026-07-07T14:04:01Z), 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/GBAJC2100070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff2b9161fa806ac932c2117a46540e4b5789e313ae961739cee546f9dad5bd92. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBAJC2100073.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8ade5d4f6f0253812a56aff844b3ec8f19e01b37c5a40a2fd46eb71ab118ccb. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/GBAJC2100076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89c1a8729d5bb39c632db50d9506a803581fd34ed114415f7f9457e01673f369. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/INUM72401330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8dd7f9ec90120a45620a61b20c7eeb4c4d579008dc132ea1609c2d3095dc0c4e. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/USCGJ2114615.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef244de3e61200bec19d048e57cdd44f6751fabd148c9ce869ec634208271b64. 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/USHM92032910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5850635d19992f2e892909a7862872dee703e26014c7a4d429f73e3c79b621ed. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USCGJ2114616.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d303a5e2cf577d9a00d2743728612be9d50f3eb0623a5fe9246af47525e82f6. 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/USCGJ2114617.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3572c094bad18030942f89061b5fd3c0050b0427a85abed10a614d1b053492ab. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USL4R2036238.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ba1e386c019eae467bf80cc578acdc19c4ed6198fe6330649d47a59b1e191d8. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FRX202512422.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9d7c1c93b69be78274a9b42072fd7dfa6157f18f12c9605eab752b9141900af. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/FR96X2327635.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10268612a850dd6e691526a95b30e65942ca25a6fd6b05b502382ba13a7ad9b6. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/FR96X2327636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab9613c39f06154816d9d2bedabd68dcc712af1492f20a2e8e67005bed5f343f. 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/USHM81917619.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2d99c365abdd24252c7651bb0d08bc25d95a8953d2bf6d254964e73d8cf8baf. 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/INO131602392.