The Black Jackets is a primarily ethnically Turkish criminal gang active in Germany, the Netherlands and Denmark. The Black Jackets were originally formed in 1985 in Heidenheim an der Brenz of immigr
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 0x37a2bd2f0c13d3cbcfff64f9780d2fe6bd77b42bc6dbc7e2d517990c0d4cfcef. Chain 2 (Bitcoin): anchored in block 953687 (2026-06-14T20:19:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/69500694-bd9e-4eec-8a90-7c0d6e58eb50.json and https://artists.proofprofile.net/proofs/artist/69500694-bd9e-4eec-8a90-7c0d6e58eb50.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 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 0x23da36026baebf4db31339618d02e897b75cf0ffc63aeb2e457790418d2294d6. Chain 2 (Bitcoin): anchored in block 960259 (2026-07-30T12:51:24Z), 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/ES71G1837083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39cb958f48795af58fdcc510ee6a46a4a74459ac04d43d4b02b24a95d8a7ebe9. 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/ES71G1837084.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffbd94d1c44b719ca30f14d8f79b4dcc4390dcb90dbc21c0fecfdcf2862c1c64. 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/ES71G1837085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x978bbf3eccc4d8cdf86f4eb11dce86ed30d448c04c1f5be58e1e4e0509958810. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/ES71G1837093.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9adc9f05995bfe71eb5dff14d5bad4b1d5244d74e2dc1f2c89573b76059f7fe6. 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/ES71G1837087.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe915d16fa69ac5d2094dd5a3094e7c0489be9e62d97430cd5ccfe233ac95d070. 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/ES71G1837094.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd64b9c921550d6b4e5a24c44c0ec3e618dcc8c7c74c9dea2f47acae7abac78bc. 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/ES71G1837095.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43e8dcc538a7d270ab7c930a2ba1e24b3376126fbc0afacf5ebbdcb128cdc388. 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/ES71G1837096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x303a1e15fefce7d75b51b9411a55179b1576a17c07cb4701a1a5b6ebf2dc878c. Chain 2 (Bitcoin): anchored in block 960193 (2026-07-30T02:05:19Z), 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/ES71G1837097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba3b47b53054197f50f98dac0d907e717a918a2b897f368132987c1af7c6b6ad. 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/ES71G1837092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd66e724333aa62731ee21ec3bf788e23273a533050aa8149f23ea61e8925e77d. 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/ES71G2337298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa87ce63d30f526b29c508bb57930b2ae71186862b81f9e2a77c9389a07642263. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), 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/ES71G2337299.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa205003f34f141d756658989db191c0c304124c7236157484561a3734de46c60. Chain 2 (Bitcoin): anchored in block 960157 (2026-07-29T22:12:10Z), 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/ES71G2337300.