1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 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 0x7ba22b54d61b196442c2c455230c1cb8651c7c2d4161fa849a65f4fa02208bc1. Chain 2 (Bitcoin): anchored in block 953803 (2026-06-15T15:41:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e05360cd-290d-4502-b586-503c9ac853cb.json and https://artists.proofprofile.net/proofs/artist/e05360cd-290d-4502-b586-503c9ac853cb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bowie at the Beeb (The Best of the BBC Sessions 1968-1972)
In the Heat Of The Morning (John Peel - Top Gear) - Recorded 13.5.68
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 → block OTSBitcoinBlock must exist at that height 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 0xbcdb3df43799d254a412af19ee2ebeb3cab54dda0681542bd0df782f29f1702f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/GBCAD0800950.
The Supermen (with Mick Ronson) - Sounds of the 70s - Bob Harris, Recorded 21.9.71, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82fb6dc26f317e7eec6ef9ba3a82398114a25bc1dc6719ce82227db92ed8a34b. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBCAD0001064.
London Bye, Ta-Ta (John Peel - Top Gear) - Recorded 13.5.68
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa334b5e5f4d4c63215a4b180baaf6aa796ba59278167bb7960f6b86077bbb5c7. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-16T23:24:49Z), 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/GBCAD0800951.
Eight Line Poem - Sounds of the 70s - Bob Harris, Recorded 21.9.71, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18f135e13049fdfc0ef03fc279681facbe078cf0799363e6c0830bf4ff612f2f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBCAD0001066.
Karma Man (John Peel - Top Gear) - Recorded 13.5.68
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1d6ee830eecce6dabea47b3f5428b7ecd967f4c12c2a8ad84b676cc9781d7da3. 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/GBCAD0800952.
Hang On To Yourself - Sounds of the 70s - Bob Harris, Recorded 18.1.72, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50a4f00eaa426fd3c1e45ef9910e1d4f4f2a5b2159affe45a504613d36fea4a6. 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/GBCAD0001067.
Ziggy Stardust - Sounds of the 70s - Bob Harris, Recorded 18.1.72, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89bef41b590b5f929ca05f8f653ba9f3747db761c7ac3cd925d42b7363c359c2. 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/GBCAD0001068.
Let Me Sleep Beside You - Dave Lee Travis Show, Recorded 20.10.69, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90d790bb182188f5536136438d878fd1a5dcab2ac1998edb3cc5431bc964bb9f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBAYE1601580.
Queen Bitch - Sounds of the 70s - Bob Harris, Recorded 18.1.72, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bea1fdf3627aadd713f576398bac3d3946bc974a3278245b2858b2f75cbbe60. 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/GBCAD0001069.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c38d5d547945e7d7a1efcce19173bb8b426c3f92eee33de95c973c792740861. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBCAD0001057.
Waiting For The Man - Sounds of the 70s - Bob Harris, Recorded 18.1.72, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x09d4ad1d23befe357cf4c6a59bdcca8a9799184ba08127e5cb0d2a1ec5d2995c. 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/GBCAD0001070.
Port of Amsterdam - The Sunday Show, Recorded 5.2.70; 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6989c6ea51793666015b724d45f7f16d522b6796601329b14809a77b1711b312. 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/GBCAD0800954.
Five Years - Sounds of the 70s - Bob Harris, Recorded 18.1.72, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23ef3d779ab57d0498d697c18f1b695e47fd446888a578c0c634f2e448fa3842. 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/GBCAD0001071.
God Knows I'm Good - The Sunday Show, Recorded 5.2.70; 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x797fb5f3cc795bbd339f41a50de0b472e450c9cd484208cd3413c3fe1b8d560e. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBCAD0800955.
White Light/White Heat - Sounds of the 70s - John Peel, Recorded 16.5.72, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4792d3244228f4d69146f97d0646481b73a5768972147ca11d2c3dd295929e17. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBCAD0001072.
The Width of a Circle - The Sunday Show, Recorded 5.2.70; 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x06a9ded1a3f8d3c1420153f0a76b0aa08e056e41b81a0f5da15a7ef01914da9b. 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/GBCAD0800956.
Moonage Daydream - Sounds of the 70s - John Peel, Recorded 16.5.72, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ebfb744011e3ed2fb9e0bbc00bd07c5f0084a9a82ec154f4a2493067d4924ad. 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/GBCAD0001073.
Unwashed and Somewhat Slightly Dazed - The Sunday Show, Recorded 5.2.70; 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ebca17909e1b69d9dc84ad8c7169bc024c8ab84c66e30966804905e04c38e6d. 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/GBCAD0800957.
Hang On To Yourself - Sounds of the 70s - John Peel, Recorded 16.5.72, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1644c6cc2018b89da77370a2633ebf5c954d451e391a2464116772781edb0459. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBCAD0001074.
Cygnet Committee - The Sunday Show - Recorded 5.2.70; 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5dee13fa8005f41276e9b0e7159b3cac8f8ff167c58f2d0f14ba5550d5cfaf0. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBCAD0800958.
Suffragette City - Sounds of the 70s - John Peel, Recorded 16.5.72, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82aabfd798af4cbd73376caa552610f3f27f8679e3e1759e9b25da46ecf9c352. 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/GBCAD0001075.
Ziggy Stardust - Sounds of the 70s - John Peel, Recorded 16.5.72, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7dc55cd3579ee97894e3198145a89a21a411f0db3252faa2b57c1b631354216. 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/GBCAD0001076.
Wild Eyed Boy From Freecloud - Sounds of the 70s - Andy Ferris, Recorded 25.3.70, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd385ec75cfdb718e60d6ea3b29fd3aa663beea24972db3ae231c8cdbd91df998. 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/GBCAD0001058.
Starman - Johnnie Walker - Lunchtime Show, Recorded 22.5.72, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cfd0d4947dde29680bc7a363662b758e177728d5ef825cf293a7a7229d3afc3. 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/GBCAD0001077.
Bombers - In Concert - John Peel, Recorded 3.6.71, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78864e9790dbc8ef6f9866dc88c5b3fcb7e7b07f6ebc179949ac4e0b25cd4959. 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/GBCAD0001059.
Space Oddity - Johnnie Walker - Lunchtime Show, Recorded 22.5.72, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68605acc61962cb8b79a0dac815332f4a0dc52b1d17c8e5946d4c9257a5a2804. 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/GBCAD0001078.
Looking For A Friend - In Concert - John Peel, Recorded 3.6.71, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x49c4482a995ad2e2cf6dc48cd668f2ebd755f16645dbe079155cd0fd5c4279e1. 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/GBCAD0001060.
Changes - Johnnie Walker - Lunchtime Show, Recorded 22.5.72, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaeb2b7224dd6055eaaaaaf56f101aa27c991ac27821ba8b939c4e84ad5629bc. 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/GBCAD0001079.
Oh! You Pretty Things - Johnnie Walker - Lunchtime Show, Recorded 22.5.72, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd0405f93226a59680fc5a943d858c9c9b9ae34cbdc4454e81f1c23353f9ee54. 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/GBCAD0001080.
Kooks - In Concert - John Peel, Recorded 3.6.71, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9da5e2c745019445afd7dadb9228ea918b2e55ba9150c93af64cbcab886893c8. 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/GBCAD0001062.
Andy Warhol - Sounds of the 70s - Bob Harris, Recorded 23.5.72, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x360b5d9e5bf08d94c90525d25b169561ff64e2867d0b27c0ce0babd66ff2ffe8. 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/GBCAD0001081.
It Ain't Easy - In Concert - John Peel, Recorded 3.6.71, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1da9d8fc2b5d1aa6aeb26b6c2cc67dbc1ea3dd811a085c44c1e694300a13a7b9. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/GBCAD0001063.
Lady Stardust - Sounds of the 70s - Bob Harris, Recorded 23.5.72, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24b0a6009767f3e158a02f86be31172844b16ab3e4d54bf534297a04443e8cc0. 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/GBCAD0001082.
Rock 'N' Roll Suicide - Sounds of the 70s - Bob Harris, Recorded 23.5.72, 2000 Remaster
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b27573869794aa2bd442325fc80cb6a31021229c97610c9cabcfc78f915b359. 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/GBCAD0001083.