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 0xe2d42a2351391ed478a2ff7f7115b5141ced76ebeba18d52d04c789b855feca9. Chain 2 (Bitcoin): anchored in block 953786 (2026-06-15T12:56:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d77721de-679a-4d52-a1ae-a37443aac842.json and https://artists.proofprofile.net/proofs/artist/d77721de-679a-4d52-a1ae-a37443aac842.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 0x592868dce701dc13031610a1eab486f2cd34f78c76ef2b657bb49ed9c65fb6b2. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/CA5KR2488664.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2098ac6a00e9ce500aa0098633483279262824fa11fe1e04f06a9c9fc61f2d40. 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/CA5KR2488665.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19c0bfff454bea9462152a68bbb9a84252944d712b091211b7a81ee9c6a668db. Chain 2 (Bitcoin): anchored in block 960200 (2026-07-30T02:37:10Z), 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/CA5KR2488666.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x924b5f2cf4c40d5eef80dd997158389290d366c62052a832e233208109c3d023. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/CA5KR2488667.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84aa262215daa97d1aa5ba6465d34679d8a5c91216cdb040f1ff63da904bb314. 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/CA5KR2488669.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e4dda7f231f59926f0e46054a1fb38d0b82a41ab69fc8b9040fa1f589f2018b. 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/CA5KR2488670.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdec0959df2ee4a8827c17c881ffeab72f21873b83a04e9e455fa5fa814564449. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/CA5KR2488673.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdd36c4af157a1b89f58f172dc5d9a1cd00f459d7ba99c19e40a053df3376cac. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/CA5KR2488674.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6f65c00651641869dce6fa59af51779c8a50dbc42f63c56e4aad3148e0e0a36. Chain 2 (Bitcoin): anchored in block 959159 (2026-07-22T17:48:40Z), 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/CA5KR2488675.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x202a591e8360ceda895bd322932257e15de24b12b8f068354bad0226dab62f0a. Chain 2 (Bitcoin): anchored in block 960191 (2026-07-30T01:51:26Z), 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/CA5KR2488677.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0d4714ced2283b98457704a9c353c9bc119d2103ecf36e078ab39795bf3b562e. Chain 2 (Bitcoin): anchored in block 960296 (2026-07-30T19:11:09Z), 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/GBKQU2511887.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0d026233d82dd3910039480a7a30fc9e2591e8494da35a3b4a950c719e4825e. 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/GBKQU2511888.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x992b6c5f4d16e11c6870c50a580af5e86f690b6bb2bfb4f8f32ad0e6d3b013ba. Chain 2 (Bitcoin): anchored in block 957819 (2026-07-13T07:53:33Z), 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/GBKQU2508254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8ea4e419749efa015ecf62feb340762f80d52e6fb5a10fec28acc3fb4ed7ff4. 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/GBKQU2508255.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13485d034c42a143ad71166b8bab678c2ded98a58a2a86beb8f6c29681e42eef. 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/GBKQU2508256.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x001a9b2b05aa6397ac9ab2aee614711db84ccf1581402b4c1de2d5ffa8ea5874. 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/GBLV62419187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb5f41977a70b238b4042f878bf01366563cb8199e3b549c3e06896f7b9ef58b. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/QMDA72455720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b88f302d22c5c282426cc59be5742aa78203606861f663f9cffccff0220e682. 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/QMDA72455723.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84523264dda4b9afb72ba6b40ed4b02d5c956f15c7335bcbf6b2501ae2e12029. 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/QMDA72455732.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d0a1db7c4a6c32c6f8f0fe9615243c231cc6a3daba35cd2665c2048b5b85dc4. 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/GBKQU2480767.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18daefc782a434eb35b4b68f96bd43bf8f12c06c548a214e1a87a9b7c018fe57. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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/GBKQU2480768.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46475a80a6a95f8e45173a2e3e2a1c333d411efc7e4c857cbd451fe242040f71. 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/GBKQU2480769.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80a660dfa22de193d20cebab4ea0bb5236b2a4d3e27503a12e6c738805de0e8c. 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/GBKQU2480770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05104a4961622ae0dfeada4b4740fac315a0c01bdf1882a6e049398b76d7f36c. 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/GBKQU2449406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a14a952e9a382bfe800bafad9c04e81f377fb01e02ae289a6bc46ebe41c3553. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/GBK6Y2451271.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x495ce6fef9e4bb6758c23b1b6e517ec6ebd835ae1402e784988f844ef11e5dd7. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/GBK6Y2451272.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f443908fd3d1e7695c47512a017b26f4d68e6c6e4c2664852eeedb96eb61f56. 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/GBK6Y2451273.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dab54c791b4f517cf3c1ec7b08fd687a5d377d9ae93eb271837bba6e9dd46e1. 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/GBKQU2426089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x553b19795564c8cde27c6364eab2f7ea5d30cda6c6c12f6a867d9e8e164c2d8e. Chain 2 (Bitcoin): anchored in block 960259 (2026-07-30T12:51:24Z), 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/GBKQU2420357.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd5961adfbd87f2fa1e5464f78576885e7eb84b95f257e46f1c1a8961c2a5aec0. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/DEH742329193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b110463bddb2b8399f69d9d6e8ca05cd2505d1e9e287ae95e46d057e4eb106f. 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/DEH742329194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70b6811298f17a0f5efb5e958fe521dfc799ccaf906eba52b5f542175f59cd59. 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/DEH742329195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1454cabac891327361f85e2561b10ccd484ae36e64c0aee25afcbb68db004e3. 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/CA5KR2356286.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3542bd87fb47281c4633f63787c4bff0a8b99571b12de5b12c683ade88fe76bb. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/CA5KR2356287.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8d220931bd1c70fa9583b9882996d508c3a31de07adb606bf751792ce7ebbf1. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), 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/GBNUQ2300826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93253352d0b301a24c4d2cd17ea201fce5c81b3d775f1f48ec93f2a71b1d9f12. 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/GBNUQ2300827.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaac6e8ebbf861dfbb27ff52bf3f45ec69af70cac68f299bc4216544ee40c600e. 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/GBNUQ2300828.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03e95c0d4fcbb92386b966509bf95ab260da3590ac1825213de9b440ed9c064a. 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/GBNUQ2300829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x42c94b125b8314088ea83e79d4cb2be03d1e05dd92de769915969838a4990cc6. 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/GBLV62419182.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbc6a0616a39c5c14ee55e499d91c50cdb8d048168030d7681ee58ee4dbcc888. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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/GBLV62419186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x001a9b2b05aa6397ac9ab2aee614711db84ccf1581402b4c1de2d5ffa8ea5874. 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/GBLV62419187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02c838a6f365370d6e590adce231b416d9f589c0c07da28a869a2a188e7855a2. 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/CA5KR2501063.