Northcote may refer to: People with the surname Geoffry Northcote (1881–1948), British colonial administrator Hannah Northcote (c.1761–1831), English silversmith Henry Northcote (disambiguation)
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 0xe5c4e56f95ce1d85c1e1a546df38853525b3021744d4dc7665ef70b772bbc4cc. 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/02b782bd-df60-4541-92a7-0bb7ea8f490e.json and https://artists.proofprofile.net/proofs/artist/02b782bd-df60-4541-92a7-0bb7ea8f490e.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 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 0xbad12a0534c00162b205f52db04e7f470f07760f762002881788dfa9f4c304ef. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/CABD61303101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x608776f712c1ec8c9530cc463a9464c67fed0c68f1ca4836de7bd4592c1e6f0e. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T12:03:04Z), 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/GBHAH1300207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x529e80e33cc214035c7fc6c9f23405347dd6145bc7fcbc834056e38baf46ac4d. Chain 2 (Bitcoin): anchored in block 958673 (2026-07-19T05:38:28Z), 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/GBHAH1500123.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67e569132929bfb02e43c943ace61abb2d675013944b197a195e1b7be9f980b8. Chain 2 (Bitcoin): anchored in block 958538 (2026-07-18T10:30:13Z), 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/GBHAH1500125.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ee9fbe89ec476b3255dae10810320993256f5cb974634f4702240a134d9b05c. Chain 2 (Bitcoin): anchored in block 958662 (2026-07-19T04:43:15Z), 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/GBHAH1500127.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb82b244ceb6c5c398e842c484487d7fa7a2b0d9cae5caea31e674e6a0eefd38b. Chain 2 (Bitcoin): anchored in block 958143 (2026-07-15T10:15:04Z), 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/GBHAH1500129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90d3bf204a66d2ccee04f126f9d4aa5f1dfded74fd884d784f09ee403d922dc4. 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/GBHAH1500131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe93e06c715a24f16c8800022f5ac5c64c1dc8f2d59f340bd15f3b208c416b462. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T19:17:28Z), 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/CABD61504501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5dce747a6c0b799ef328b7693cca4dc009ec4bf97b219659fec2f649e17d346. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/CABD61504503.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb479e629017cc1afd16e64cdc3ad232405c6f58a9a1ffc52290141d626c51029. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/CABD61504505.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f27bd00aa3d51162b5d46ea9fcc70eb54df40136764cf4fbbbef90745e17ef6. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/CABD61504507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46508af7f3aa9b089acb491bf4ceeebbe14bae796aaa084e0aa38d9e55f177e0. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/CABD61504509.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3749bd066e71283d62f893bba705107bc8db285c80ee1d4a5bc35e9be7539453. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/CABD62006604.
Secret Hours (Live At Alix Goolden Hall)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ff003af9bb7216e97fe237011a3b8dbfbca7e301391f328636a02e004482ddd. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/TCAGP2245120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6fe2d5939aa98aa8513a87c31bf2028e54cb2947ef13615c3bbeb1529c45c47. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/TCAGP2245124.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae47fb14fe4337d1100880770c04cc5313b599b6dceb7d3b0324b80ddc763445. 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/TCAGP2245130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01d9fb65c586cb5bf621208bf9442664c390d08407e8b6f84fc61e8e14e228c5. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/TCAGP2245140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f3cca59f1f804660e115a34fd8635b1091d6c5a358cd10aca82c7cf096c9f5e. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/TCABM1309696.