Confine () is a of San Marino, in the of Chiesanuova. Geography The village is situated in the southern corner of the state, close to the borders with Italy and the municipalities of San Leo and Ve
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 0x2fca3c11fe9126191a9dd8665d9a49614dc6dc46c043c5f7b0c8159a79d1e659. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/432fabe9-8b81-4e9b-a1df-5838aa818422.json and https://artists.proofprofile.net/proofs/artist/432fabe9-8b81-4e9b-a1df-5838aa818422.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 0x911d16c9fa4aa1413c6c7b9cda72ec13960cdf155a0669e483bd2b8a6c9b7287. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZHN81999829.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7b95d6a484bd4a6ef7bb4644d35d6b8c75677189778f6989c5b5d511505cbf1. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), 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/QZHN81999830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6ffd1f4d6664a636da08903f7111bc36fdc026611bbdf2e4c76ee5b30b47678. 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/QZHN81999832.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d469780505a2510dfdecb5573e8032119537408b6da4790ba84aca457733af0. 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/QZHN81999833.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f550b8636d82a48dd23aa3e48cd59a2333556b830f2794884e53fdba17b8537. 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/QZHN81999836.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xadfc8896cd4228da0a15133a08dc4b61b977d096c2f9ad6f2872daee06016b73. 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/QZHN81999837.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4348fc2bf5c35b0cf0ca6db09dd2a0185e04f551a5b896632bd16d7740be2e10. 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/QZHN81999828.
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 0x21de5ff18810ff7646e23c3cb103dfc83da08301fa3681cc53565620321882e7. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/QZHN81999831.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd65e51c1a4a08d3ad4ad2fbeb84fa72230cfccca9855fdd63a7cc88ca5fe7ac3. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/QZHN81999834.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0882ad33a9b5b98d7197ee380d1f470b7646bb102edf05c3c374df1c10a32ac. 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/QZHN81999835.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fa5014560561d5159317511e4f65ef90ecc56ce4eec0ab7fb7fc9df5e619049. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), 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/QZHN81999838.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc867160ec5c8a868b87ef2b646cc8942e6580eb7c7f23b5bd4ba4d2251eacbd. 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/QZDA51853690.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe9078c266fd2c32b94c8aafe5eeb01ded2087366e2e72fa9b31f3e5ecb782f4. 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/QZDA51853692.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x459a4741b75267c31e84db36fbc9fab9db8504676fb227dd2354851380839698. 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/QZDA51853693.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd134246905d4bfbb78da9e973e480e818fac08d5f8fc89911158c8ebc3f5c025. 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/QZDA51853694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x36ceb01c063ee7d123dcadae6ec757ec541ba92f035069c4a8604d9489ed231c. 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/QZDA51853697.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d48cb4d29bd79e52d4711377a96ea23549c99bed4b172b8f75a8407d8f81937. 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/QZDA51853698.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda4864d984d485fba0e467225ce484e5ff3669c4bb35ed0d4971945ded2502a9. 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/QZDA51853699.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x721f23ecb3bb6ee01783e86923f211e848b78bc9d100507ee9a14e0100bbe99b. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), 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/QZDA51853691.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x39ea5d9269481de54f47eea8e36f063df93f306e5aa76dbe90ff9714a714e741. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), 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/QZDA51853695.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97d3b58e5b18b2897e1fcffdc404d85137a61a3f249ee6e74489ad8bb2a2ef5f. 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/QZDA51853696.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dd43eaabddf3e826c47fcaf375cca0e12cc3b9c4cc37d9f29099bf1f934aded. 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/QZDA51833185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x067a7f477e87bb2014403c5f2b5028300f8a26ed4b11545a537d63b4f0c8a251. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/QZDA51833189.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa23a6c803d4f100193970f8dfad6a8b4e0f59a7dcadaebce7f42ce95300ae6c2. 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/QZDA51833190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbb9be646e70859a81ec838f5114063ba244496a0a4fcb05ce96270d067f5ed8. 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/QZDA51833191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34d1345973be733469db59057ca87885d6fdc217f6fe36cab9688ee9b94a7a1f. 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/QZDA51833193.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b40e43c894db4533224612ab108c2cce7062da46a08668f8a528261e26c1508. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/QZDA51833186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61af954220c002e58e1a818d52bd9e3d7923abaca0c58cb9fb081ffa985e4307. 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/QZDA51833187.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32ae8782852bc5d175c83ef4c8acc685d8b59ec0a6e0897e8fe0177b3fc0a272. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/QZDA51833192.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf4133d2ba4d429ba1ec07b9190675410dc2a0b0ab1007fbefd02d4efaab508a. 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/QZES72395294.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2addc7f30683c4b09dc8d3a0a84b0792d3be426478b58a3ed29934de1919ee6. 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/QZES72395295.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d62606c4a150bba87cf1c56a1f4157fe95f221ba2858c3299204ca3bf12e0a5. 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/QZES72395296.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x459c6539046f5e2d7bf6470796a3b2a764a32d9004c77030e5ccec54ad547dab. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), 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/QZES72395297.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf95ce2d1829b9a74be89ecb1d4d333dc72fbda0e834e85a9da033b81cc73d69c. 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/QZES72395298.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9c5c96c0d408a6ec6977e5087786b7bd765bb5cd9eae84fc93d1731f3310dd8. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), 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/QZES72395299.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fb12ce1d805e22ed27197c5123993bbac94c502b02facca296e126e271dc1b1. 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/QZFZ22319076.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77bc305399053a13af36cae6048dfa44cc18e11e2e45940dd2260ed8a7d6fd7f. 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/QZDA51864938.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0330a48b3c1b3b9e88c8d303a9d108c02653fc096f3f95031765d109ae621ef0. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/QZDA51864934.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3115cb6f138efbe16815abc96334e0484353d86eb31add9f739bf2d4fe8e3f08. Chain 2 (Bitcoin): anchored in block 960384 (2026-07-31T09:54:03Z), 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/QZDA51864935.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x11d059ffcdc6e54e908768cc78a85eaeb783ae581b89a91e6558581f3b958de0. 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/QZDA51864936.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bd1cb0fb695ff06bd80ea5c1c642bc33a972c89378e8c7e2596f618407b10bf. 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/QZDA51864939.