Untitled 0be3f8081eaa

21 May 2021 · Canon Canon EOS REBEL T4i · EF50mm f/1.4 USM

cloudy, highland, hill, land, landscape, mountain, mountain range, outdoor, ridge, sky, sunrise, sunset

Taken: 2021-05-21T18:46:41-05:00
Original: 5184 x 3456 px, 3.6 MB JPEG
SHA-256: 0be3f8081eaac4bc8b8bc728ae1319bb9a9f1a3c6bda02b8b5b81d69755a8e67
Id: 0be3f8081eaa

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5184 × 3456 px original. 500000 atomic units, eip155:8453 (exact scheme). License v1.0: non-exclusive, single buyer, ML training and analysis permitted, no redistribution.

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402 comes back with a PAYMENT-REQUIRED header: base64 JSON, accepts[0] = {scheme, network, asset, amount, payTo}, the same object plus license as the body.
Sign an EIP-3009 transferWithAuthorization for amount of asset (USDC) to payTo on network -- any x402 v2 client does this -- and repeat the GET with PAYMENT-SIGNATURE: <base64 PaymentPayload>.
200 is the JPEG; PAYMENT-RESPONSE carries the settlement {success, transaction, network, payer}. 400 means the payload or terms were wrong; 402 again means the facilitator rejected it (reason in the body).

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