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 0xa8074480a02180088367d972dfa74871be0a610f6415953691c01fae307dcd66. Chain 2 (Bitcoin): anchored in block 954573 (2026-06-20T15:45:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b59ceff6-a874-4e66-9049-67f209cc989b.json and https://artists.proofprofile.net/proofs/artist/b59ceff6-a874-4e66-9049-67f209cc989b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Made it Back (with The Leo Green Orchestra) - Live at the Royal Festival Hall
BK25: Beverley Knight (with The Leo Green Orchestra) [At the Royal Festival Hall]
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 0x3ef0dbbb05c219c8997423f1a3f1637223bfee8d5f1a189ab682b18988c7af1e. 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/GBCRL1900067.
Greatest Day (with The Leo Green Orchestra) - Live at the Royal Festival Hall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x122d4d6a4d76f380226c6159beb7c348965da43e056bf1ad7dfd3cf211e8a23b. Chain 2 (Bitcoin): anchored in block 960379 (2026-07-31T09:25:34Z), 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/GBCRL1900068.
Keep This Fire Burning (with The Leo Green Orchestra) - Live at the Royal Festival Hall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb7a3788f0b4c81014fb19b4708271f0f3d12b13eaccb3e7bfaae297d612c2d3. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/GBCRL1900069.
Middle of Love (with The Leo Green Orchestra) - Live at the Royal Festival Hall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f0e30118c56975e49c1bd212fb5fd62cdcbdc935bc362ab493730f750b0abb1. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/GBCRL1900070.
Shoulda Woulda Coulda (with The Leo Green Orchestra) - Live at the Royal Festival Hall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81c0d15de049c7be0778b705841eb5a67357fe47f5b969d706fdaa0d2941eb2e. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/GBCRL1900071.
Flavour of the Old School (with The Leo Green Orchestra) - Live at the Royal Festival Hall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa8b2f5eb47dc7ca18a5953ba5d38c655990c271e88b3b51fd87d8b9bf6b616a. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/GBCRL1900073.
Gold (with The Leo Green Orchestra) - Live at the Royal Festival Hall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08f8cfd1ed3e9bf973e2737a21fb9bb107bf047463a3fc3869cde193d229f045. Chain 2 (Bitcoin): anchored in block 960223 (2026-07-30T07:51:46Z), 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/GBCRL1900072.
Memory (with The Leo Green Orchestra) - Live at the Royal Festival Hall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf52230dda2a8690cb38768305b7f47bac27652a181b9dfdc52132b7678c32683. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), 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/GBCRL1900074.
Sista Sista (with The Leo Green Orchestra) - Live at the Royal Festival Hall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7af46a4c532892cabdf229cf311c5c6867b45f3cc116de2b812369ada3b05bbe. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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/GBCRL1900075.
I'm Every Woman (with The Leo Green Orchestra) - Live at the Royal Festival Hall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1730294b8a1bf693d9d60ab2b8091f465a475d555e172c48b2d946076bf0108. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/GBCRL1900076.
Piece of My Heart (with The Leo Green Orchestra) - Live at the Royal Festival Hall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fb82957c61c903c455e4fa2767482e320f541fdd49a036d1461ec1b68b0b3f9. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/GBCRL1900077.
Soul Survivor (with The Leo Green Orchestra) - Live at the Royal Festival Hall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb4105990a22794558e1dd67f4467e8714cf1df77c8935bf07d9af0a04a087099. 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/GBCRL1900078.
Black Butta (with The Leo Green Orchestra) - Live at the Royal Festival Hall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3dc5060514be705d9d0d4da28beefe010a57e05c0c1d4b1a2acae553f30e309e. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/GBCRL1900079.
Come As You Are (with The Leo Green Orchestra) - Live at the Royal Festival Hall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7121c1929c9190c15a3ad7fd0be4961269a057a87f9c0de3276fdc0e85caebc0. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/GBCRL1900080.
Lately (with The Leo Green Orchestra) - Live at the Royal Festival Hall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37974f5fad59aeaf52630fc2444e2276e813cd6c5d1a0b1787666c961b2325e4. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/GBCRL1900084.
I Have Nothing (with The Leo Green Orchestra) - Live at the Royal Festival Hall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd6a4bed96afe0fe2407e6db5fbade5cc40904e56ade43fa9fd1182316d3e577. 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/GBCRL1900085.
Always and Forever (with The Leo Green Orchestra) - Live at the Royal Festival Hall
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3fedf7f12109de3ff3d29a523ab1fa5377e0777b8dc7372da1d37e3805b080f. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/GBCRL1900086.