p/xmr proof
Monero mainnetgenesis
block 3,772,715, 32325 conf- transaction
2206ca35c8909d58d4dced8555558e585b576eff2187eb4fb4804a6665a1b0f4- read from
- node.monerodevs.org:18089 at height 3,805,040
- tx_extra
010f48497f9f72a3ff3fa8250d046d27203afd9bef8cd26e4d3a85040b2dea62ab028d0170786d72009b2ed85a80cb9d7ff62c206534e4a6f7521417918d52a2b26cfb66829cee9d2068864f82c981da49df283d788c211eac2f6dd272ce270e72f31ac0b9f587457b831db2a87c2377efc7e98f4d1324ca1cf3e18ed56c9c8c078a044991674e310904913900000000004637b54522c0552175d01b7e4f397563a3a08d3fae7aebbea682f8479108842802090113e06711f7421de2- spendKey
9b2ed85a80cb9d7ff62c206534e4a6f7521417918d52a2b26cfb66829cee9d20- viewKey
68864f82c981da49df283d788c211eac2f6dd272ce270e72f31ac0b9f587457b- privateViewKey
831db2a87c2377efc7e98f4d1324ca1cf3e18ed56c9c8c078a044991674e3109- restoreHeight
3772676- constantsHash
4637b54522c0552175d01b7e4f397563a3a08d3fae7aebbea682f84791088428- address
47WC4RqV4CLNQPVx6eLPQqiNKYr4J8wZ3WqxGZhyKSB66RQGJYfyKqsDMebDExUeKFVoQwffRwR3BLEA1gCakMJtEwYb5wm
The highlighted bytes are the p/xmr nonce. They start with 70786d72, which is ASCII pxmr, followed by the operation code.
check it yourself
Ask any public mainnet node for the transaction. The extra array in the response holds the same bytes as decimals: 112, 120, 109, 114 spell pxmr.
curl -s -X POST http://node.monerodevs.org:18089/get_transactions -H 'content-type: application/json' -d '{"txs_hashes":["2206ca35c8909d58d4dced8555558e585b576eff2187eb4fb4804a6665a1b0f4"],"decode_as_json":true}'open on xmrchain.net