Dame Cleo Laine, Lady Dankworth (born Clementine Dinah Bullock; 28 October 1927 – 24 July 2025) was an English singer and actress known for her scat singing. She was the wife of jazz composer and musi
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 0x45b17f380821764135b79e2f866d90b582c068f9fda23ba351ae19575de97f83. 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/0d1634c3-5a0c-42bb-9fba-57e8327796b6.json and https://artists.proofprofile.net/proofs/artist/0d1634c3-5a0c-42bb-9fba-57e8327796b6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
'T'ain't What You Do (It's The Way That Cha Do It)
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 0x0bafc8b04b71d46d6c6b1c0f0484b4ba9362e5959e8d521029df20228c2039de. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T11:39:44Z), 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/USUM72213216.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76734f69106ae5586eb78951e62e2c7806250d6521d94aa2f3227e0763cb5cb6. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/USBC18000252.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2a35d0a5c24cc7079653ac0e0078cb37f5834f49ac753be10f7005e67248e33. 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/USBC18000280.
How, Where, When? (Canon in D Major, P. 37)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf9933e69572508bdcf227eab8a8afd95f2588f7874e76d13cbb6ad50aad8680. 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/USBC10300429.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d971c0ea85b69e0f1cedb03a763f7e17ab9d4de7c98761cf3db6b598c3cdf92. 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/USBC18000256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11e436e483efedd1e486dc28888b334e31e2ade8e849ac97c8a7088afb3ee594. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/USBC10000348.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ec518602c2729791d9f8a033ed3a20bc0b00f1d16b34fbda3e303b329161f45. 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/USBC18000259.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x273e0c30f50bca56af76b9af665d6e908d5e0cf90ca70db2244b7a6cffa40135. 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/USBC18000278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b1f4ed9faa3754e3cce5786fec436fa91e4a04f6c550f5f9ff158c15eca16b0. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/USSM18400849.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x354674d8aae2114c8c7a746cc4f6ab1c883109873d7603f24af687efad9039e4. Chain 2 (Bitcoin): anchored in block 958686 (2026-07-19T06:43:29Z), 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/GBBWX7600315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8222c2161b088a8697396e80b9adc8a1d4535b492aaded04e886b390a6e31fed. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/GBBWX7600313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7466a23af5b27790c5898e889a82a9d18dfc6731852fc9f5e0c3fba670df8096. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/GBBWX7800363.
Jazz Matters (featuring 'The Blues Ain't' & 'World Jazz')
Façade - An Entertainment (Poems By Dame Edith Sitwell)
Cindy-Ella (Original Soundtrack Recording)
The Nixa Jazz Recordings (1956-1958): Cleo's Choice
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57d919036b302599b602bfa15451c91a90d657f6b529129c91da456b41d30b86. 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/GBDJN1310107.
Golden Lady (Original Recordings Remastered)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa17ca9c06aef6124272ca1c21f1c424c652f6a1515535e240f5100e5b3b60f7d. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/FR6V82377938.
Oldies Selection: Platinum Records, Vol. 1
Oldies Selection: Cleo Laine - Platinum Records, Vol. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf9933e69572508bdcf227eab8a8afd95f2588f7874e76d13cbb6ad50aad8680. 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/USBC10300429.
Send in the Clowns: The Ballads of Stephen Sondheim
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb45e9dfee62ae6d72c36673c2472bce6099fd6cebddeeb5124591a3422c0dc11. 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/USBC18700137.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8eb4db3d1693c8ebfdc091f4b306b278eb10b816a1f6b60d96fded6f3aaae72. 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/USBC18800368.