Christopher William Dell (born 1956) is an American diplomat who served as the U.S. ambassador to Angola, Zimbabwe, and Kosovo. Early life and education Born in Hackensack, New Jersey, Dell moved wit
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 0x88d39e06cf44c2b40dee5757d3f6c05e22181b332142b8e74eb282c8b5abe2c8. 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/84ae5580-a3be-41e9-95c5-dceeb103d79f.json and https://artists.proofprofile.net/proofs/artist/84ae5580-a3be-41e9-95c5-dceeb103d79f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Das Arbeitene Konzert/ The Working Concert Revision VI-VII
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 0x4bf697bbaeeef4c3a76ac02e1448c7da5cf9dd1da4025937b88c8ac182a69e02. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/DEZC62019513.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9c409eef48efd63d75244698ea4498ae7d20c83115ba25fdeca3e216f5e10a7. 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/DEA891700359.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x725ee3c12ba0d681898bda2c1cadea1392fc3f04bc3c4a6e5cb822dadfa3d321. 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/DEA891700358.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7db7c700f20eecac1256de912cd7d3e9d855f472290dc2bbf605c8d9966097b8. 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/DEA891700360.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd426be90e96a08413fef023a469e8c39cdaa53f4a33c8d166ef1a03bf6523ceb. 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/DEA891700364.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0515f9211e459ec3591efbfa1435b5c5c1adbbc6b9d7ff66507b6c9502fbb0e. 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/DEA891700355.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1a301e0d4067f2d28a7c6276e50a2a77bcd17092863040291ca8f290c3991d0. 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/DEA891700357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57e56be34ee4520c7bdbbeb3dc8c6627d7ad4ddf9ab804ece80e6b3b0ebe6dd3. 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/DEA891700362.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42f5d4b7e08a5e0d762f688838556f582d90218db7b8eca12868c23ea4b6b734. 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/DEA891700356.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2da3aeba56a943a169a467189a2f347e15753cf02ee3eb4d25ba9e2f3fb0df5. 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/DEA891700366.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a5c2e6239184c6e70deae94fa754c387b3873c7edb01bfbb91d11a7599a8b1c. 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/DEA891700367.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2b9148d5d7deafd51a2f7e7d57670912e27468c7b9581301c520c59aeb1e069. 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/DEA891700361.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1aa8142417b02aaba30f0916a73933fbccee48d4348f2d39f6e1c008a08d3a3d. 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/DEA891700363.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc07decc8afd6a24f95a8a47789dea438927abd3693382c5a21a92c1da40acac7. 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/DEA891700365.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f9327fd795154a10a2365c7ce52da999bea70f051fca9d3f97447e9aa3d83ed. Chain 2 (Bitcoin): anchored in block 960225 (2026-07-30T08:04:30Z), 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/DEA892200101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x033fb2a79cec2ddd891489c403ff8e8bf3e9d4f93f7b9869e4bc1583bcd4901d. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/DEA892200102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcf3a976b0c33afe48c8d2ca9d4521382e0a3b35cb2e50fe9cb06374e0210f4d. 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/DEA892200103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d9c9563fcfda40f48cfff8486f1a0a9e92a9450a66880d15ef333c6245517ee. 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/DEA892200109.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05fdde37bc97b11cd20abfc2e53520ae9d0e6bcc6f8ed33575dd08e61496ab36. 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/DEA892200120.