%% You should probably cite draft-dogru-cedulon-core-04 instead of this revision. @techreport{dogru-cedulon-core-01, number = {draft-dogru-cedulon-core-01}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-dogru-cedulon-core/01/}, author = {Emek Can Doğru}, title = {{Spend Receipts and Payment Rail Reconciliation for AI Agents}}, pagetotal = 73, year = , month = , day = , abstract = {This document addresses auditable payments for AI agents and builds upon state-of-the-art HTTP 402, AP2 and credit card systems. We specify a cryptographically secured payment reconciliation protocol using a Trade Manifest (a signed offer before payment), a Policy Decision Point with default deny, a Spend Receipt (a COSE/CWT claim set issued after a gated payment), and rail-extract reconciliation.}, }