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 0x4bbeb194ef08027ae964335c026ba2de2db8b62c582933767a41347783a8236a. 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/e2cbc5d0-3071-4aaf-9ab4-a77c4a42dce4.json and https://artists.proofprofile.net/proofs/artist/e2cbc5d0-3071-4aaf-9ab4-a77c4a42dce4.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 0xac4e8dff93e642421d931df3de5d81c6cc9982e71ad444e50d2d230ffd81f327. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), 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/JPPC07300170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7aa415ae6ce2a4df9dd066281a5b7d5569366c3af25168ec857523a0024750e1. Chain 2 (Bitcoin): anchored in block 957780 (2026-07-13T00:36:44Z), 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/JPPC07400210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8cdffd6f1d6ad4d227e75307168fe263fe5379b4605ecd740f7f8f17361b609d. Chain 2 (Bitcoin): anchored in block 958432 (2026-07-17T15:43:17Z), 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/JPPC07800910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x552c2fa20fcab7e3e4e5eb9337217cc501b560da1ce66f3450e6ad79c8f41d47. Chain 2 (Bitcoin): anchored in block 958850 (2026-07-20T08:32:30Z), 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/JPPC07901750.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b65d706e2e2624b7dc4bb60927166bf9588794e42f8df52141e517bb83fa5fc. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/JPT200700092.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7146fb5f176f75efba9cacad07a0f0fd876b28608582817516a1587942e8a91. 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/JPPC08102440.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bf1be4b071406dcd4ee58f3652f798e3ebe3a8236438608938970453ccc1b59. 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/JPPC07400090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1cf736e7f6a70ea86c29b94ddfc1fdf82140b8ec5f0b1344d74e528d0646eea2. Chain 2 (Bitcoin): anchored in block 959107 (2026-07-22T07:19:23Z), 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/JPPC07400180.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc772b9018ef9e7523f27802393ca2095d5b27789e1ffbb51ab563e47ad9cc953. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), 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/JPPC07400220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c4d445181a9307b83361554a0d15cf7a09c501f7b81b20b4b6821297fad9077. 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/JPPC07400230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48a3a3636e1b33db721b6ba4c9a4aa96f134849ab2566e8237734eb6d4cdcda8. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T09:11:53Z), 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/JPPC07400250.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc500547801cb2625e123eb95e8a54d24403fbad0d8b5359d98d79f9b66725c6c. 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/JPPC07400300.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbeac99120cc5ac4d560a6e9e6e2c62159ec14870929d3821ab9168d3ab035feb. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/JPPC07800790.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7df9c107b3c36f1304e50f1bf781fec1222c43950b5037733b4d3c3d9717987c. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), 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/JPPC07800810.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3295d4e86dc31f776ab2bcdd694008064f5cc822a1aa7ca86283e3f57edb309d. 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/JPPC07800830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6c5692caa38ed1a4150cd9c9ef18f8da663e40774041a9bd1466900fd3893ea. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/JPPC07800840.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94c6671dee31e5d27e87c5e18a970d549519455cb5c96751808314df24b1d1a4. Chain 2 (Bitcoin): anchored in block 958830 (2026-07-20T05:30:12Z), 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/JPPC07800860.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77f08c49d1c1de3855b81cd51da760da6f8b3e6e86ed8d3877cdba356f0f4a30. 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/JPPC07600790.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02c01a6ee0fd42e881e293a1ca3cddd3696af6044039df72c77d8bedd629654d. 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/JPPC07600820.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1ad28e6859ac9f9ba7b3d11b158b9ce966a3afd63034488ee25ac118b7e80b8. Chain 2 (Bitcoin): anchored in block 958251 (2026-07-16T06:29:25Z), 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/JPPC07500230.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5a77630dd6c5b63a53c69d950ea2e0c6502f9317092912144bb3b988b26f801. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T08:14:15Z), 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/JPPC08002100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69caceda1adf3f8d4e52b72b8a4c026af301e1de33f3424bb5a7cc0366df87d8. Chain 2 (Bitcoin): anchored in block 958526 (2026-07-18T09:09:53Z), 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/JPPC07700660.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe94f3f1a38bddd3755362040256201c1f0f3c93a125abd982d14ad55b77119d6. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/JPPC07700680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9afb6164adced2b2cd171f173d3483b4af2ab0cd561f624f467a9e1666a84e0f. Chain 2 (Bitcoin): anchored in block 958104 (2026-07-15T05:34:05Z), 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/JPPC07700700.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf677f835ecd3af3191d00f095b2394eb3b24ae4568b4c340f05200fc9dcd2c3a. Chain 2 (Bitcoin): anchored in block 958473 (2026-07-18T00:52:36Z), 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/JPPC07700740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d28ebb28441c8761b5d2c7f2b99fdd10a4372b9a8293bb0ac9a4c21a418603e. Chain 2 (Bitcoin): anchored in block 957782 (2026-07-13T00:52:48Z), 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/JPPC07400740.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x503839a8a415a5223a56522af76eba95d7b2260adf43544e54e15315aea1ed43. Chain 2 (Bitcoin): anchored in block 958864 (2026-07-20T10:24:04Z), 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/JPPC07500120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x564f8fe2d5a017463c7a6211dd3c14d993c2adf53c2ccea6cf57fe935a0b278b. 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/JPPC07500130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32b6658d20d3fe5301e3190f956b7567dc945e60922ecead3b86f20aca4bf233. 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/JPPC07500170.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d5df0581bbf5b7de898270296eb5a954776e5abe2674c38b9e453bc19cf2ca3. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/JPPC07500110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0579937a7a5219b637bd6c3c80df517cc398db277161a6d56a1dd6c1ba157aa. 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/JPPC07901680.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f1ba388905c2031a02c68bc471d2480e164f6a7e7b460f5aefa407994c37791. Chain 2 (Bitcoin): anchored in block 958590 (2026-07-18T17:28:56Z), 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/JPPC07901690.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff1670092886c970f9c5bcd4aeb77f33da7f4f928f0bb7be19a740b191ef04cc. 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/JPPC07901720.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4e45ed3e59d12312341cecf4050d55df9a2f5732bb0c8d1150e6f9165771f87. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T14:03:35Z), 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/JPPC07901660.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb8f8cc2e4746fbd48bd72178019992a100499eb42d4a0a6519ccd9e581b130c2. Chain 2 (Bitcoin): anchored in block 958785 (2026-07-19T21:40:06Z), 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/JPPC07901730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc2b36624e9f41bd4092cd2d6d9309b1ddd3a0aebe52db7ea76adaf5b56d5354. 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/JPPC07700510.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48bdebc1d1666bc02df68c2cfcef46b72e8452134a865347eeb24825292df514. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), 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/JPPC07700520.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd5195546b0c79a52b784f6d828cf61cda130e0f6a957a3190c5fd5968a67a26. 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/JPPC07700560.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x871704d487a31a0ea884f5f1bd5e3faefc1c34425ed915da3d785ae05bf95092. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/JPPC07700570.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbdfc2e185b071c680bbf754c337ff7e38665c26abdf1f2829ea0c7a5b96472ed. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T09:11:53Z), 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/JPPC08102900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2cd843ee37a702f112db438df5e594bc0015f1a2966a49089cf815a0fba4528. Chain 2 (Bitcoin): anchored in block 958436 (2026-07-17T16:42:22Z), 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/JPPC07300200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbd2bd0cd15836fe603961e64abc77edbe6cadb82a7c6eb8087402ded8d5da6b. Chain 2 (Bitcoin): anchored in block 958585 (2026-07-18T17:05:16Z), 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/JPPC07300300.