{"block":{"chainId":137,"hash":"0x1b3a765e9f33fcd21614e9e4a2b43192f7ef59e547f739f3f447d75471f09c68","number":"37520355","timestamp":1672531199},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x000000000000000000000000000000000000000000000000000311f994060f45","specId":"erc20.totalSupply","to":"0x2791bca1f2de4661ed88a30c99a7a9449aa84174"},"checks":[{"detail":"eth_call totalSupply() at the day's last block, by block number, on one archive RPC provider; responseHash is sha256 of the response text as landed","name":"rpc","status":"pass"},{"detail":"block hash and timestamp from eth_getBlockByNumber at that block number on the same provider","name":"block-header","status":"pass"}],"hash":"0xa6d207913409db9a59f24fdc3280b054ab1a17a4b18a754db096aaed241c9a5b","id":"rcpt_a6d207913409db9a59f2","kind":"eth_call","lineage":{"inputs":[],"transform":{"expression":"total_supply_raw = uint256(result); total_supply = total_supply_raw / 10^decimals","name":"erc20.totalSupply","version":"1"}},"proofLevel":1,"reproduce":{"cast":"cast call 0x2791bca1f2de4661ed88a30c99a7a9449aa84174 \"totalSupply()(uint256)\" --block 37520355 --rpc-url $RPC_URL","curl":"curl -s -X POST \"$RPC_URL\" -H 'content-type: application/json' --data '{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"eth_call\",\"params\":[{\"to\":\"0x2791bca1f2de4661ed88a30c99a7a9449aa84174\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0x1b3a765e9f33fcd21614e9e4a2b43192f7ef59e547f739f3f447d75471f09c68\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:33:00.911Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x42b16e685a3a3231620818eb0f072ed06480df0cd58e201032f878ba392726d4"},"subject":{"label":"USDC totalSupply on Polygon PoS, 2022-12-31 UTC close","unit":"raw","value":"864188558085957"},"v":1}