John Taylor, Johnny Taylor or similar is the name of: Academics John Taylor (Oxford), Vice-Chancellor of Oxford University, 1486–1487 John Taylor (classical scholar) (1704–1766), English classical sc
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 0x3f4418b25ac38a230c8f89bdef6a7574040014b451bce8f94edbf52c7dbc1862. Chain 2 (Bitcoin): anchored in block 953714 (2026-06-15T00:43:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/855c386a-14fd-4115-b68d-20f720f48cbb.json and https://artists.proofprofile.net/proofs/artist/855c386a-14fd-4115-b68d-20f720f48cbb.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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25c611a10d98b2822671aae12729f5c0888e0c3981edcff8981d8a8e3cd26b47. 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/QZNW72351669.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb066c645f4443a7e0df0c97a452322d3b2172009bc874e97e8d21de5a4e19a85. 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/QZNW72351670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x342dec8e69e45362ed79e418c79e034d18d7a58d06b38875e68b9d20654375bf. 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/QZNW72351672.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa51623421f38d418780a46eafc3b494cd575a10a1a3fd95363b653a3d2530196. 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/QZNW72351673.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfecac7793b82f0e3376d41626995ea6a6cc0151cf99644458f4a2669c5bf05b7. 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/QZNW72351675.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55a71d70dc8b91ede8df5f0d0ac4605260828b41a560cdb3552deebbfb6bf667. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/QZNW72351668.
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 0x2d8d3475e4dd09e9099719eee71c21bf79f20dfc0f4cc3d3d10112138ee1d980. Chain 2 (Bitcoin): anchored in block 960229 (2026-07-30T08:30:10Z), 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/QZNW72351671.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd91a45f50ed3aa267e4b3b170fb2e1816187b1a933ce46404d7bf1ad09e522f. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/QZNW72351674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe454ad7352d6173ef28030f6f625dfc7d0a50d4e9413e7acc1fdbe6eec386d26. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), 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/QZNW72351676.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa88e79f2ecbddfa0f23c6a64c311bff62c8b8cffdf37b70a9907ffe4b62cdcef. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), 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/QZNW72351677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae1768c0dea532a0786ad27b7b63cc2de3e1796cc757eacf88dae3ee6f89edbd. 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/ITKCT0500027.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76fd780c8d6d921a42b260b572843757ab13700d72050fc3a864a46797924d79. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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/ITKCT0500022.
Turtle Records: Pioneering British Jazz 1970-1971
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7112361aeb3e06f29221549363a2da1c416db25a85c8c4343195c226a88a3841. 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/US29B0955300.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ea91c93d8f2f01d6f263a3fc40fdc2d7f80640c92e9c68757eed394e373b931. 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/US29B0748472.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7832b0a74c3f168853c6fb140e4bcc01fdc3d3a1173389b9e249a6a21e0c7f9. 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/US29B0748482.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90b9eeab254e19aa533ca85dc59ab160e91484794afc02ba87b954d2963a3ede. 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/US29B0748480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0692247acd85138671245c4f28432d2449a8e95e3ece90065e936bbdb3623cb. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/US29B0748474.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b21a3b36df1ae8f82d16d0e0c8a19281f50c67b0a42d37079df8c2460d891de. 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/US29B0748476.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc65636b14bffcce769317ab8d5673576d35f25dad2dfd5786828db85b2d778ec. 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/US29B0748470.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x098fa6a50d33f2714e8bef2febc4673b1fdf8462e86a9272e490e14373524308. 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/DEB330275101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6fddfe32d604c5a6463a794e647a4dfc9df9a8eba38bad347d05256080303cac. 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/DEB330275102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d9828eb8e799043ffaeea9dd8bb500e232f98d25b632c68c599051d0e11f322. 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/DEB330275103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x641da8bc3d88d0ef46bc5f3bfb901d7a24703ce66e03c1f42a37ac93ef694cab. 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/DEB330275104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3f21ef501aacb823ddb871a1c025a0ecabd45001ac00307af99078a7488d098. 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/DEB330275105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ef98853d1a738838659bab293290f0e878dd6916fe94110d6e6c48f66e75760. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/DEB330275107.