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 0x742324942168a17cbb664cf287efa3b4e887d30d0235e60d880d217bb3d8e1a8. 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/a7a3162d-4ff2-4b22-90cd-373c5f05dd7f.json and https://artists.proofprofile.net/proofs/artist/a7a3162d-4ff2-4b22-90cd-373c5f05dd7f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
HARDA (feat. Tshego, Venom, Shishiliza, Herc Cut The Lights & Jay Sax)
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 0x003072eb0ee708847b30670beff983bff1bce93dc8b8710c5ee340224a857888. 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/ZA56E2201333.
Flight Ya Hoseng (feat. Ch'cco, Nomfundo Moh & Baby S.O.N)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe575c30c0fc1a387752650c047671a6c7a239cec3f8d2b8bfb977bf39adab368. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ZAA012400032.
Sondela (feat. Yumbs, Raspy, Blxckie, Riky Rick & Tshego)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff74fab954f3fe4d3b02a2593013f18335aabc6774e7330f6d47997d4922c63d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ZAA012200009.
Mina Nawe (feat. S.O.N., BoiBizza & Mpho Sebina)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6dc2402898d0ac4a1239463797a5d786e3bdc47b08efda604eb9cc36f816ce6. 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/ZAA012200287.
Lengane (feat. Raspy, Howard, Aubrey Qwana, Focalistic, King illest & S.O.N.)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4f74a216a371975d16f2e4c88e08546b28c18abc8d48f87235c49303f74bdbd. 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/ZAA012200288.
Vuka (feat. Aubrey Qwana, Majorsteez, Howard & Paula Sibiya)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x867ad2221db385e79362afa1e8693a985170cd35131628e4e6f482fdbd3a3e44. 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/ZAA012200289.
uThando (feat. Blxckie, Jay Sax, 031 Choppa, S.O.N., Sizwe Alakine & Herc Cut The Lights)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf737cbc1d8bf839d69bbcdabbf6ac72395d5610c5a1637341d1430c5008495d. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/ZAA012200290.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x546280bd9f75299db12f39497d59d35dc28aed083905c97fd681aed0a00bf46e. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/ZAA012200292.
My Lavo (feat. S.O.N., Raspy, Zadok, Nvcho & BoiBizza)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x359098980fcf3a44858358c85f255b9e16d11d6ea92e6fbf852d284c9af03b18. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/ZAA012200293.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd46e74c4ed40445f15e2d48f38f4d20a8fc52536c88627b70b1763044bf67dea. 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/ZAA012200294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff74fab954f3fe4d3b02a2593013f18335aabc6774e7330f6d47997d4922c63d. 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/ZAA012200009.
Ngiyazifela (feat. S.O.N., Daecolm & Mr. Selwyn)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2533f245423854a699ca68e17c72fba04e6729816cfca0b03f064b03df30cbb. 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/ZAA012200296.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7bbfd87209f35a1a893b3474d8bc89bd166592d53039a5475255056bae461ce. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/ZAA012200298.
Sho Boy (feat. Riky Rick, Junior Taurus, Buzzi Lee, Yanga Chief, Beast RSA, Focalistic, Blxckie & 25K)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30f643ad15ab939203925aef602d576d176236f4a146de6137697da98bc6d65f. 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/ZAA012100232.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x038bc5740823ccf0cc0a3e8c58060a07ae3854f00213d7cb52ef56cbf83efeb9. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T19:00:48Z), 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/ZAA012200291.
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
Love is Pain (interlude) (feat. Mr. Selwyn)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e75b70d87d9de26f7b08bb3ccac667072a252b96fa4cbfca65c1f6cd399aa9e. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/ZAA012200295.
We Outside (feat. Stephen of Kent, Aubrey Qwana, S.O.N. & Roiii)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64fedf7a4b35349e8a7d0287d5421f837af4d25e85dd292b75d2c5690aa403fe. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/ZAA012200297.