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 0x49541a355c8e9468e9d7e08ad631cfc18f1f044b0001efd93f307657be994e57. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ee8561a8-17b4-473a-9cda-911d7cedfa66.json and https://artists.proofprofile.net/proofs/artist/ee8561a8-17b4-473a-9cda-911d7cedfa66.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 0x7de4e4c7566609fa3017aa36d4ffbc3db13e635c4d8fda9911e484a9c43b2b1c. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/QMYXP1100003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x148ff6bfe88cb83661c464061f8b54bdbf00a51e9abd34e26ff8e21ba8e6454d. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/QMYXP1100012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcdb6dec2cb9359ab8ecea4ddae30b8c22e9a0c7d689e97e7d3c1563207c16fd2. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-22T00:25:39Z), 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/QMYXP1200009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c1a1654c291fdcc2b266cb795e02aec1e2b043c45d82e9e4dbeeb23cbb4bb5a. 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/QMYXP1200012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xee67eba1d0d40ab37f590e3fe2f8d4f22aa881c3b869fa24f4f64b05b1b5fba7. Chain 2 (Bitcoin): anchored in block 959073 (2026-07-21T23:25:37Z), 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/QMYXP1200118.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0321295e41ca29595689392356de675fbea33c34043d2edfa000458cd28ac391. Chain 2 (Bitcoin): anchored in block 958908 (2026-07-20T18:54:49Z), 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/QMYXP1200120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8ad5d0d87d8197e98df501b87f53563a15075ca76c84f9c261c4f886fb026be. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QMYXP1200129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6ecf2504aa75da88c7cd18367c828b4637d0fc94a3284af8faf8325a49fff32. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/CASD11100227.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb3f68f7c3e656c00fdbf721a1f964c7a5a72c7af1bd4ae6c6a830c015dca997d. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/CASD11100228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce6a2b6c6620e0ed5241dbfcf26aaa99b73eda76c0e6c544851937c464ead879. 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/CASD11100234.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x071dbe0c52c3ca13839c7d7b3a9ce28a02bf36c40063e5ddfe48ba2ba9081805. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/CASD11100236.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x096034bb40b0f363cce5eaa4f739102c92d1965b3932261942ac8e155f840b42. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/CASD11100242.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81232a2b319991db4081205ecd268f7cf1af6f3c626b0ef67645889ff29aabd1. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/QMYXP1500006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ad4226e5fe34d72509382c38ce351c1b00a2ee3ff50c886e642854c2ecb12ab. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/QMYXP1500007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2098250974da393eea8f6d6ab24ce579c7edfd5c073fb9e79d279d4b193a36f. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QMYXP1600001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43dff1b5b50a516211bda756b1f834275b259bf73e436ba340ad84f2f252781b. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T20:34:23Z), 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/QMYXP1600002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b681468106790cacc628405550030ddaf4cccf76042351fa622b3dadfa7fa67. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/QMYXP1600006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe49f97b48c8195b7c847563af05c4cc59c25ea8301178769ef6f93acdf8985ce. 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/QMYXP1600008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x31c46ef465d98317ec23b43298832253601235cf352ce3aadb32425cca702748. 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/QMYXP1600013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x949163d2a6403aba5d8c5810170238e06e3d3fcafcd5253bd2cd54231f089cd7. Chain 2 (Bitcoin): anchored in block 957750 (2026-07-12T20:39:38Z), 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/QMYXP1600016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x638a4afe36dda26908dd4292fbe58cab2f8d5be2c30862b7ddefda9a025e41e5. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), 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/QMYXP1600019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0667e6b9daf133046bb5b918c147c7f0ebd8d81c51afd1034598a953b6e7eb34. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T02:07:25Z), 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/QMYXP1900001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7874d26c67875399682d6d99a1b5422f1879df022a7790ee4565329a99ec052a. Chain 2 (Bitcoin): anchored in block 958491 (2026-07-18T04:29:42Z), 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/QMYXP1900006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a173358687f0a827a03769c06c850115d524650ee7f4f6e3cb03eb54225b1d7. Chain 2 (Bitcoin): anchored in block 958955 (2026-07-21T05:09:19Z), 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/QMYXP1900009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1153b3320a1e41f7fce3c45151edbcf12d18b8c17c51bdbd1d33bcf2cca79dd. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QMYXP1900015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2a676b8bb8ad7eb2fe7c7afb0458560d012e0faa4775366a9e6908cbde33ab2. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/QMYXP1900016.
Phonics Alphabet Series by Patty's Primary Songs
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x61201b7d35f136e58f06e23c6bc08f95d45d507bc11481b928329ab81186af71. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/QZFZ72326157.
Patty's Primary Songs for Kids by Patty Shukla, Vol. 1
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf48cffad4732809722867a0ba5e3f0c8a5e9566f6c5f0889b440840a4b5e7c5c. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/QZDA72511171.
Learn to Read Word Families and Phonics with Patty Shukla
Patty's Primary Songs for Kids by Patty Shukla, Vol. 2
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf29b581bf2bc7bb6aef7884e1436fd9b84a8911e55a82303812f669cbee1149d. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T22:34:15Z), 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/QZDA82549554.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5e140ea5bc1e15659af7240510b498979e0d0083798d644050bcd5311068bd7. Chain 2 (Bitcoin): anchored in block 957754 (2026-07-12T21:26:22Z), 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/QZDA82549555.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef4233529b4fdec8ab13342a03b40f1d4abb473b1a43d7ef10ae8b955872bc9d. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), 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/QZDA82549559.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e3537d34055cd99af0db3a7f91c1117db186da34039536a12ba11af473ae711. 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/QZDA82549565.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2c4a41e165d05e4756aee3ba811eb90d46a3a36b7af480a4269e48686d73799. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-03T04:03:57Z), 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/QZDA82549569.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfaec3a240ad5f20060be9ddd2c005581bae6d3a7d9729172495f033a0d142d2d. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/QMYXP1300010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf56e97b4d8f90e7fb1ea79c56c0911ebd55a08d06d30c6b299965cc30b8e5cd4. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/QZHN82391702.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ef5a8627163c01f1bc4fe96b25e079ce13ad3810503c4a608ddb079867522ed. 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/QZHN82391704.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd494643d8363c9b959ec303803354a2fd633048131529d4db170ee6b5a4b18db. 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/QZHN82391705.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13272a2bc50eed0a5fae47e114a851eea65f61eda532d66bd2a8ab00f9a65cee. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T10:33:40Z), 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/QZHN82391707.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73b20d2ed0e92ec0795408b973c2c099ff24eddbb32b79fdc95a26b8da9e985c. 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/QZHN82391708.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce1c3ce52edaef64867eaaade6b0e93c4086943d6aa9612f13c75e9e16420bf2. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T02:44:04Z), 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/QMYXP1300003.
Patty Shukla Karaoke Songs (Instrumental Versions)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc766181e9768a1364d8f57707b3c8299ffee85bd75d46d7cdea0540a5143bae8. 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/QT3EX2490847.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95e601d5bcd7b29e99badd163cd25a87588ba662f3177c3c43388bb7b9b43980. Chain 2 (Bitcoin): anchored in block 958728 (2026-07-19T12:24:55Z), 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/QT3EX2490848.