Curtis Lundy (born October 1, 1955) is an American double bass player, composer, producer, choir director and arranger. Lundy is best known for his work as part of jazz vocalist Betty Carter's band. H
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 0x3c90abcd66e58670d948af9586c6d3972bead584ab298f89b66a8a0b1ad58d25. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/db5803be-82f7-43cb-a6fa-7eee56fd0230.json and https://artists.proofprofile.net/proofs/artist/db5803be-82f7-43cb-a6fa-7eee56fd0230.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Midnight Melodies (feat. Curtis Lundy & Victor Lewis)
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 0xbe7a7ff140e063bea955c47b37a3eb4832c774a71cf89807058785c0de0cca10. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-21T08:56:53Z), 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/QMCAL1400023.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xecdcfa925aceca0b3460e72d9c793fd58e06d4d47b989907300701e05aba1fc6. 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/QMCAL1400025.
U.M.M.G. (Upper Manhattan Medical Group)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19dcdfa4ed09f5f1f968ea7411b4a62fb937ae30366c1f1ed60a478635c3b48c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/QMCAL1400029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c1487f5fa6f5ff8d5f0f3aaccb67e084da936184e160297b6fc3111a2874e09. 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/QMCAL1400032.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d7b8fe330539939b1bc87d7bbe3c92999005979b12f8e38f90977c9738ebd4c. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/CAJ229815330.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7db259530835843f63ea71750354370908c828866346d7726762fc360d2feac5. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/QMCAL1400024.
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 0x46c0958032671124f8d932879e30f995a3a1e029f03f238c529f64177a6d6321. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/QMCAL1400026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1a9ec96624b954f4502d4be4f3ce458a62b22b30caee78a2978909b543d4f08. Chain 2 (Bitcoin): anchored in block 960513 (2026-08-01T04:52:22Z), 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/QMCAL1400027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff23752a17fb189d1950672b475e9153e39cce2760a3c3399217b974b6a0ace6. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/QMCAL1400028.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b3858c397d754663660fb7a899844a52d61a8158bf6a31eb53a82684d8ed78a. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/QMCAL1400031.
Thank You, Duke! - Our Tribute to Duke Ellington
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8f2ae087ed562f3f90ff5c6ccc724dd70b95cc397613d0883f87a4d5dbc4d39. 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/USZ6S9900303.