Lambert, Hendricks & Ross were an American vocalese trio formed by jazz vocalists Dave Lambert, Jon Hendricks and Annie Ross. From 1962 to 1964, Ross was replaced by vocalist Yolande Bavan. History 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 0x6a74acd8f7f944013119ffd7c6af2e003063903cea7cd6838a27a615b6a2b590. 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/d0596e48-1888-4021-8452-150607c31878.json and https://artists.proofprofile.net/proofs/artist/d0596e48-1888-4021-8452-150607c31878.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 0x64a01616f0cb900c8244824b2b1959f8adf01c82245c4970318456020338581d. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/USSM15900067.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37757a902d90f65eb983bea13892a5e421e67f61000dabe3fb19a7775fc01e19. Chain 2 (Bitcoin): anchored in block 959109 (2026-07-22T07:21:40Z), 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/USSM15900070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08f77e09944db428c26da3a3496a55e27bda31482236da6cb15636d539c6c09f. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/USSM15900071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06de027c19376c2d405133a51ecf79c3a2921d66aec8c0ef9a88fad8c4b0989d. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/USSM15900074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ece202f5efd81fe22c93a49ebd1a6a5ffaca27ba772fa9787a83cd76138546e. 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/USSM15900075.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97642155f957542f74df3ec154137e3544a03f7a6e321f00e08c9ef045e3e9e5. 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/USSM10025458.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b8bdaf13541c97f48afb6165e03dbf89b21415b1d45ecd5709f2faea793c660. 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/USSM10023739.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf276337e94a1172eb936de259546cf1c604834a4412f6cd3c3b18fc7a2b163a3. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/USUM71804854.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6307c7862f72c8f5427dd37521cdf63908ba98d95e328378c4723ab56af4e994. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/USSM15900068.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08f77e09944db428c26da3a3496a55e27bda31482236da6cb15636d539c6c09f. Chain 2 (Bitcoin): anchored in block 959031 (2026-07-21T18:54:51Z), 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/USSM15900071.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4394fba3df67f9e445c6b9a8dd8c85dc9b4de80c0396b6b0a3b14755e59d4489. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T15:25:46Z), 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/USSM15900072.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffd5cff02efacb42605fae328ed625530b999aea16248a25a67d39e53860c210. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/USSM16000049.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32e68935abf82792bebe61e463824ee18646663c6b06325370a4e5eb82fc85b4. 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/USSM16000052.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f139dc183fe819af310ccc14c14157ce67b6976e66949aabdc53e61998231ac. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T16:40:42Z), 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/USSM16000053.
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