{"block":{"chainId":10,"hash":"0x15fd24438cb9038643c9e5a7201e1d498dbe9740a68dc2a26800ca06965af121","number":"115573411","timestamp":1706745599},"call":{"args":[],"data":"0x18160ddd","fn":"totalSupply()","result":"0x00000000000000000000000000000000000000000000000000003a2826fdafb6","specId":"erc20.totalSupply","to":"0x0b2c639c533813f4aa9d7837caf62653d097ff85"},"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":"0xe2119e244195e4c32b09fd037df143c0fe50c03b97c3c138b4b402f921128043","id":"rcpt_e2119e244195e4c32b09","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 0x0b2c639c533813f4aa9d7837caf62653d097ff85 \"totalSupply()(uint256)\" --block 115573411 --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\":\"0x0b2c639c533813f4aa9d7837caf62653d097ff85\",\"data\":\"0x18160ddd\"},{\"blockHash\":\"0x15fd24438cb9038643c9e5a7201e1d498dbe9740a68dc2a26800ca06965af121\",\"requireCanonical\":true}]}'"},"source":{"endpoint":"conduit","fetchedAt":"2026-10-29T15:22:10.300Z","provider":"Archive RPC node (single provider, via Conduit)","responseHash":"0x8292df7d68c8cf4ca2b38a7f9251d11e239af3ea430a254928e3313e3f7e01cb"},"subject":{"label":"USDC totalSupply on OP Mainnet, 2024-01-31 UTC close","unit":"raw","value":"63944127262646"},"v":1}