REDIRECT Cedric Category:French masculine given names Category:Masculine given names
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 0x3b9427b70aff3add6d14a660f8e665eef5578102830f4d186c8d5ed5625f5176. 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/77bcaf03-5b4c-4230-a606-7a286438b5a4.json and https://artists.proofprofile.net/proofs/artist/77bcaf03-5b4c-4230-a606-7a286438b5a4.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 0xe1dc930481162f7135460dab6e33c0a7d74bd76441a579120a8714882dd3df2b. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T02:46:47Z), 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/QZK6L2044429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69be7b052a20a1d2085c15401ee001663744a41cdd1e966a9ca22fb94005e8aa. Chain 2 (Bitcoin): anchored in block 959096 (2026-07-22T03:48:36Z), 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/QZFZ42171734.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe17169fcf45720029f09cb2c0f9307a89e72d5fee4287dd04928f35dbafba147. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T16:14:34Z), 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/QZHN42128866.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x283047493e5aec293847cfb50b8c306f630ecbbda138d4c1a30bfbe5c1fb047d. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/CZUM72201176.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8e0345eb0e86df09b4ea77232f5cae6a57f09e374c3f0600375e670155a5174. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/CZA232400227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x402c5f5fc6b1fed8269410d1669aff1f4c06db47ed37d60efabf8039b8e2b92b. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/CZA232400228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cc2fc938527590c2cd1b2d6928f2512b5d31c15a4ec5be3fbf1776706f1536b. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T09:47:57Z), 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/QZK6P2192228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf99940ae1fb34cfc4c89d115dc91107e7f66242088269b7ff5464fdecd79678e. 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/SKA012100145.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc966753bd112c19faae2a089b7cdecb1a2edc4e4e9fd1668f6bb38b9cdf0970d. 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/CZUM72200980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb02e2d1baed62d7b16310a76951b171f0d9281acf72530a5946b7955b5c5657. 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/QZES92303613.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x628f76783e381c133a36906feaacc6c778fe204890d4a38bb7d3e9668c5769f2. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/CZUM72100948.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87554c74e25b2b4ffa04562273f09f492d9d8d0af8bdee65774a7af24c31f3fa. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/SKA012400066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7d45f11551d6d540776e8c81ba150c2b19e993f109490b93310baa9585c8b20. 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/SKA012400171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87e0624333b38747e6f1b89ae127cccab1445bff90c228c7579d4546b7bd0ea1. 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/CZA232500352.