Black Mambas may refer to: Black Mambas F.C., a Zimbabwean football club based in Harare, Zimbabwe Members of the Black Mamba Anti-Poaching Unit, an environmental organisation in South Africa See
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 0xf6f6294e3d68f3ed9d2a943fc05de0522c2549901bbbe0f5ecabf5a4970c132a. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ece8457c-54ba-423b-9fb0-a0401ea62049.json and https://artists.proofprofile.net/proofs/artist/ece8457c-54ba-423b-9fb0-a0401ea62049.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 0x333aea7ce5b772d703ef5487e0c094c419441b923f44b974fb288bde529c6da2. 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/USHM21795976.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x074dbe34b45ad0adfd3d9e04def295f6f622fc0da0bac84088e29f4a40f33b67. 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/USHM21795978.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86a6f62955a5300bc86750bb589744c241d50bcaf094a8f8b93f70663cd3fa04. 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/USHM21795980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xebf5554d1d920d3ca3c937c93591c9b1a052c1762b8701f9b1b15c75712c52d5. 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/USHM21795981.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ce5a8560278ac116fa4501c35327649fc9a767bc0d1b9f0af2db9e9074326c1. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/USHM21795982.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe40d9f53fc061d8ba0b315869319cf688adc1408e642846dc1f82fb5cafb45f8. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/USHM21795983.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb5454f233dc58c33a1cada75e6deb55f47125f0bf8d3ba0fc9d0fb2f1097cf6. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/USHM21795977.
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 0x1c9f9a975dac4b78767d5c225884b09e1236da843327c7f1899d8fb7d8b181dd. 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/USHM22061685.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbe7959194ed2104313ab34cb2aee64744bae94a7fe077b6598b85af310be194. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/USHM22061686.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa016c2b030c208f12e8478a72e3971f3c4087d15720ec9b29dd1427f6ee05734. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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/USHM22061684.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6184ffab01da898da2613e1629fb2ead0bb9db807f16fbfd2b39176ead74e248. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/USHM22061687.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9decbddef59cbb2a7b0524340ba41855d6ed6da941b71160d1cc21db0adc1012. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), 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/USHM22061688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88b710f45fe00c698a0b1d697385f61d66a0662887e8c79a380ce6a33ea7d146. 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/GBXCJ1900015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c9a608c15aef4976d6fd2605755a59e7c976609e55ed7c5b42e8871a2d9c007. 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/GBXCJ1900021.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4a2bee6bac306eb6f7f2c6de10ad96533ed9b580d4c5fd484b52f6099160273d. 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/GBXCJ1900022.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x046ee239444571e43ecbc77f335d4bf55fc541559edcfa59dbd19434bae20d8b. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/GBXCJ1900011.