POPMTx/宝拉

QED signs a canonical JSON payload. Fetch the public key from /.well-known/qed.json, then check the signature against this payload.

Canonical JSON

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xStocks","pool":{"base":{"address":"0x3A0a47A9C2713A7049d1052CC8EbD39c41570580","balance":"38557854411048830417","decimals":18,"symbol":"POPMTx"},"chain":"Bnb","dex":"pancake-v3","pool":"0x804c9A67E971A03ef4E9BC126BdfF70833517cE9","quote":{"address":"0xbF9d7c61Edf8e0d869b04af0b04591Af3B1f95d6","balance":"875855881971730528089978003","decimals":18,"symbol":"宝拉"}},"quote_share_of_supply":0.00022737730346121545,"reads":[{"block":null,"method":"eth_getCode","params":["0x804c9A67E971A03ef4E9BC126BdfF70833517cE9","latest"],"result_hash":"1c9409806518d1a5f52d79299ea0289ea2ff527e05895cd8f7a36d4cca28a13e","slot":null},{"block":null,"method":"eth_getCode","params":["0x804c9A67E971A03ef4E9BC126BdfF70833517cE9","latest"],"result_hash":"1c9409806518d1a5f52d79299ea0289ea2ff527e05895cd8f7a36d4cca28a13e","slot":null},{"block":null,"method":"eth_getCode","params":["0x804c9A67E971A03ef4E9BC126BdfF70833517cE9","latest"],"result_hash":"1c9409806518d1a5f52d79299ea0289ea2ff527e05895cd8f7a36d4cca28a13e","slot":null},{"block":null,"method":"eth_getCode","params":["0x804c9A67E971A03ef4E9BC126BdfF70833517cE9","latest"],"result_hash":"29f980d4674669301d0ab4e8789e0c24cdaf81754f1d19554b9103a24734fe54","slot":null},{"block":125178656,"method":"eth_blockNumber","params":[],"result_hash":"e0f7ff1092d4048522569aa79e018dffa3c4071d8aaa82168952bed9d57042df","slot":null},{"block":null,"method":"eth_call","params":["0x804c9A67E971A03ef4E9BC126BdfF70833517cE9","token0()"],"raw_result":"0x3a0a47a9c2713a7049d1052cc8ebd39c41570580","result_hash":"1b762cd781b6a50e000b811acd19c55dc1672f0ae618542a6b0a1d4194247b47","slot":null},{"block":null,"method":"eth_call","params":["0x804c9A67E971A03ef4E9BC126BdfF70833517cE9","token1()"],"raw_result":"0xbf9d7c61edf8e0d869b04af0b04591af3b1f95d6","result_hash":"dfcd93f530b9bb333d14a8ce46e859982d0c7ef022c4b5ca73bebf13087a83e1","slot":null},{"block":null,"method":"eth_call","params":["0x804c9A67E971A03ef4E9BC126BdfF70833517cE9","getReserves()"],"raw_result":"false","result_hash":"076de6e730df0b4c3860877a0f619c6ac11f8aefd78313ac793a2a703c026869","slot":null},{"block":null,"method":"eth_call","params":["0x804c9A67E971A03ef4E9BC126BdfF70833517cE9","slot0()"],"raw_result":"true","result_hash":"18d10c7d2b4b04aaf04254d1ae5d655a5dc0407cbcdd5a8c3986e985370f36ee","slot":null},{"block":null,"method":"eth_call","params":["0x804c9A67E971A03ef4E9BC126BdfF70833517cE9","factory()"],"raw_result":"Some(0x0bfbcf9fa4f9c56b0f40a671ad40e0805a091865)","result_hash":"da1f4544b9417a11911907f7a632e9c00b511a10bfd124a8879882f21abb2fe7","slot":null},{"block":null,"method":"eth_call","params":["0x3A0a47A9C2713A7049d1052CC8EbD39c41570580","symbol()"],"raw_result":"Some(\"POPMTx\")","result_hash":"3344114a8e5a2328347ff1e9db985739748c00dc8dbd3ec482c732445767b96e","slot":null},{"block":null,"method":"eth_call","params":["0x3A0a47A9C2713A7049d1052CC8EbD39c41570580","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x3A0a47A9C2713A7049d1052CC8EbD39c41570580","balanceOf","0x804c9A67E971A03ef4E9BC126BdfF70833517cE9"],"raw_result":"Some(\"38557854411048830417\")","result_hash":"5226ff1d1a03fd95ab5a5dba541ada0a6b4c27ae5b015e7e3461634190ae94da","slot":null},{"block":null,"method":"eth_call","params":["0xbF9d7c61Edf8e0d869b04af0b04591Af3B1f95d6","symbol()"],"raw_result":"Some(\"宝拉\")","result_hash":"f3723268a96be806969544d18c9a8bfb594911ffbb69f097518d87caeaef9571","slot":null},{"block":null,"method":"eth_call","params":["0xbF9d7c61Edf8e0d869b04af0b04591Af3B1f95d6","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xbF9d7c61Edf8e0d869b04af0b04591Af3B1f95d6","balanceOf","0x804c9A67E971A03ef4E9BC126BdfF70833517cE9"],"raw_result":"Some(\"875855881971730528089978003\")","result_hash":"2c4b9a5b31d0eb0f8e570e181c4bbed4c45a527da659bef12f977298cf4c7174","slot":null},{"block":null,"method":"eth_call","params":["0xbF9d7c61Edf8e0d869b04af0b04591Af3B1f95d6","symbol()"],"raw_result":"Some(\"宝拉\")","result_hash":"f3723268a96be806969544d18c9a8bfb594911ffbb69f097518d87caeaef9571","slot":null},{"block":null,"method":"eth_call","params":["0xbF9d7c61Edf8e0d869b04af0b04591Af3B1f95d6","name()"],"raw_result":"Some(\"Polar\")","result_hash":"b0936676811f6f732cdfb947ded5363e56b465e8cb734aa5a740ac5cd583301f","slot":null},{"block":null,"method":"eth_call","params":["0xbF9d7c61Edf8e0d869b04af0b04591Af3B1f95d6","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0xbF9d7c61Edf8e0d869b04af0b04591Af3B1f95d6","totalSupply()"],"raw_result":"Some(\"1000000000000000000000000000\")","result_hash":"9a5063c327faec672db6b50450571675cbfbcc3766ebaf6832c3a9f6636ff4d0","slot":null},{"block":null,"method":"eth_call","params":["0x3A0a47A9C2713A7049d1052CC8EbD39c41570580","symbol()"],"raw_result":"Some(\"POPMTx\")","result_hash":"3344114a8e5a2328347ff1e9db985739748c00dc8dbd3ec482c732445767b96e","slot":null},{"block":null,"method":"eth_call","params":["0x3A0a47A9C2713A7049d1052CC8EbD39c41570580","name()"],"raw_result":"Some(\"Pop Mart International xStock\")","result_hash":"e80063e04b73b1687c382f1a69bb887f0e8b3c45d145c673985334dda4855f91","slot":null},{"block":null,"method":"eth_call","params":["0x3A0a47A9C2713A7049d1052CC8EbD39c41570580","decimals()"],"raw_result":"Some(18)","result_hash":"c14f173ff30df32f36fac2ea29d9a20482082428fd32b58be5433d310884f764","slot":null},{"block":null,"method":"eth_call","params":["0x3A0a47A9C2713A7049d1052CC8EbD39c41570580","totalSupply()"],"raw_result":"Some(\"169576531272505730387400\")","result_hash":"e0e90f232aace7ed45f673220dc9d0ec45e91672fa2f62176174ab9a9aa4ea66","slot":null},{"block":null,"method":"eth_getCode","params":["0x3A0a47A9C2713A7049d1052CC8EbD39c41570580","latest"],"result_hash":"71ee049d0c0cab5d785d7aef2e6b591e511475fb8ef465f4d8f5335bfd412bfd","slot":null},{"block":null,"method":"eth_getCode","params":["0x3A0a47A9C2713A7049d1052CC8EbD39c41570580","latest"],"result_hash":"71ee049d0c0cab5d785d7aef2e6b591e511475fb8ef465f4d8f5335bfd412bfd","slot":null}],"registry_entry":{"chain":"Bnb","contract":"0x3A0a47A9C2713A7049d1052CC8EbD39c41570580","decimals":null,"issuer":"Backed xStocks","last_checked":"2026-10-01T21:57:54Z","name":"Pop Mart International","source":"xstocks-api","source_url":"https://api.xstocks.fi/api/v2/public/assets","ticker":"9992"},"registry_hash":"2b586c80e76a33b1389542ab631b10ed72ffe9b86bfedac46f81cae13dabe61c","signer":"GJWKkiUd3zj1pJGfeE7JitiPiwDJC6XmNFvpJWJuvvpn","slot":null,"subject":"0x804c9A67E971A03ef4E9BC126BdfF70833517cE9","ticker":"9992","verdict":{"Verified":{"issuer":"Backed xStocks","ticker":"9992"}},"version":1}

Signature

rOJZwQZz0Q5eH6tS3vGQJt3UBxhuCWy2O7MN6iuzBQ6k6UY0AmmQNFb5nzHfWaPHC8vERFEjEsjc7+4/1BACDg==

API call

GET /api/attest/c3043a985eda0fe968ab5e9f5c146f9861b259e6cea0e36bd62ed01dd23e53ec

1. Fetch the public key and attestation JSON, then verify the signature with the published key.
2. Canonicalize the payload with sorted object keys and no whitespace, then verify its SHA-256 attestation id.
3. Run the API call above and compare the returned payload, serial, signer, and signature with this certificate.