Mbongwana Star is a band from Kinshasa, Congo. Of the seven members of the band, two of them (Coco Ngabali and Theo Nzonza) were among the founding members of Staff Benda Bilili. The band is signed t
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 0x2409b0e7b207487266cc944de55de115e5c202cbb7045f2cadea19155ec59a26. Chain 2 (Bitcoin): anchored in block 953674 (2026-06-14T19:07:16Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5aadae89-1032-4799-bb02-87f2eb496d9e.json and https://artists.proofprofile.net/proofs/artist/5aadae89-1032-4799-bb02-87f2eb496d9e.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 0xc317107bc7e1803fe7592604908b4ec6b8a0d61354dfda56b1f1f2219e312b5b. Chain 2 (Bitcoin): anchored in block 958538 (2026-07-18T10:30:13Z), 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/GBBGU1591001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab97d51eed3c939bfb40e2470f38e06b99aef59532b63e7cd38641e199de029f. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/GBBGU1591002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e7d5d254cd0498f88ef2487e223835d1cb1dfaecde95fc56186d41fb88367c0. 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/GBBGU1591004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5653efd6f8cf222d71c4513ee25a8958c1dc08cb01847b01f32c316da82a8c7a. 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/GBBGU1591005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x690c8e6b15687a7970edb87379871628c39e53eeb8370ffe8bb29647f02885d9. 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/GBBGU1591009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60b9f0db19f1ee5d6be076ff0bbee2d8b20e1430d5ea68aa6e3dece588af8ade. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:02:28Z), 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/GBBGU1591010.