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 0xfc57555fb523defcab5f29c42fa76538ccafa6a717a171bd30ad1b14f2162d2b. 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/285b34f7-0820-423b-9ed5-f6029218dfef.json and https://artists.proofprofile.net/proofs/artist/285b34f7-0820-423b-9ed5-f6029218dfef.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Night Vision (Edit) (feat. Nana Atta, Mampintsha & Karyendasoul)
Night Vision (feat. Nana Atta, Mampintsha & Karyendasoul)
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 0xd8d8ac7a4cb01cdaad80571b8cc52ac5603d891cc53e48b6bbd1895241e7b484. 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/ZA22Z2000023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30b40c5606fb7e92335c08b8208995f3d50ccaf938643c400e2c30bbece8fe00. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/ZA22Z2000024.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1dd1e3f1277b5e6bc3f5d0dd8ed275101b3de7b47b2b9d114708f34719f897b. 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/ZA22Z2000025.
iGhost (feat. Babes Wodumo, Mampintsha & Madanon)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed45790f213e511bafe39c1e4e985af10f8003db6d9fddb4441ac70c07c5efe6. 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/ZA22Z2000026.
We Don't Play the Same Gqom (feat. General C'Mamane)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf50166fb10092e5edf0dba0ed1ab21d56b29018e2fd123ae2cc454cf39ee2e69. 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/ZA22Z2000027.
iGhost (Edit) (feat. Babes Wodumo, Mampintsha & Madanon)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ab11c339fe14be4fe67126b9da2e9f842eed2e7879557bae4b8dd4a32cebf4e. 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/ZA22Z2000028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bdc41af8657c89f4c8ee8392a1b52f298d3cf21284a79f8de7b0a500ba01c84. Chain 2 (Bitcoin): anchored in block 960288 (2026-07-30T17:41:38Z), 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/ZA22Z2000029.
P.A.B (People Are Burning) (feat. Madanon)
Mbuzi Intro (feat. Wadlalu Drega, Tsepo)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65e18bd1c1e9030aefdef89ae62da32fa99aa3d1b26a4c0464fe2153919a3d14. 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/ZBWNK2300008.
S'yahlupha (feat. Okmalumkoolkat, DJ LeSoul, ZVRI)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bf8f244d35b0b99ba9337226c95b823ddc3c88a8079740042b023f279bec08b. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/ZBWNK2300009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0cc1e47bf952e3a3c4563a69f18e7e5364708ca069978533c33f273ae39c4e1a. 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/ZBWNK2300010.
Inte Massive (feat. Massive DJ, Blue Pappi, Thobeka)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bc5e3c6f0dcd47fe3048d8777b39b46df334f1453203ded7702ffb1828afb7b. 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/ZBWNK2300011.
Khon' Ingxaki (feat. Dee Koala, General C'mamane, King Lee, ZVRI)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaec92f17ffea2b20618f6bd2977d9d0e22e975e19776dfda33d5068a5b2a5ab. 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/ZBWNK2300012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cc6922e5719d0532e7c5ab29caba983ba527b2124c311086a492efd02d2ceb6. 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/ZBWNK2300013.
Ababhengayo (feat. DJ Tira, Tipcee, Thobeka, Dlala Deminor)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb437f02a2de570aad9604701371e73c663597e2750404cc457cfbc0b94e9b577. 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/ZBWNK2300014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb15d6b581de01deb6faac70999952b8eaa078afdef0a1f7d8c6bc1d1d9bbf541. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/ZBWNK2300015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd92a1f1857cc26804d37ac29ef161ec14fb5396d295391dfae831f6f1a10dd8. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/ZAQ652204921.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0494cfbd177d25b4510f09e21f22892a4da66682bf158efe33d01082109d646. 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/ZA56E2420571.