{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:HN7FYXZI57TBFEQT7DXZAMVSKV","short_pith_number":"pith:HN7FYXZI","canonical_record":{"source":{"id":"2203.13785","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2022-03-25T17:09:26Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"24e2971fc0987797c4f54b1948dfb48aca361fed4cddc5558af731dcc4301637","abstract_canon_sha256":"d394caf514770570ebfeadd997137750cbf63da93cc6ae80dbe305b0a4c638cd"},"schema_version":"1.0"},"canonical_sha256":"3b7e5c5f28efe6129213f8ef9032b2556c36567784940dd4d5416b2ed1b7d30e","source":{"kind":"arxiv","id":"2203.13785","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.13785","created_at":"2026-07-05T04:57:05Z"},{"alias_kind":"arxiv_version","alias_value":"2203.13785v2","created_at":"2026-07-05T04:57:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.13785","created_at":"2026-07-05T04:57:05Z"},{"alias_kind":"pith_short_12","alias_value":"HN7FYXZI57TB","created_at":"2026-07-05T04:57:05Z"},{"alias_kind":"pith_short_16","alias_value":"HN7FYXZI57TBFEQT","created_at":"2026-07-05T04:57:05Z"},{"alias_kind":"pith_short_8","alias_value":"HN7FYXZI","created_at":"2026-07-05T04:57:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:HN7FYXZI57TBFEQT7DXZAMVSKV","target":"record","payload":{"canonical_record":{"source":{"id":"2203.13785","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2022-03-25T17:09:26Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"24e2971fc0987797c4f54b1948dfb48aca361fed4cddc5558af731dcc4301637","abstract_canon_sha256":"d394caf514770570ebfeadd997137750cbf63da93cc6ae80dbe305b0a4c638cd"},"schema_version":"1.0"},"canonical_sha256":"3b7e5c5f28efe6129213f8ef9032b2556c36567784940dd4d5416b2ed1b7d30e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:57:05.951430Z","signature_b64":"g9S8pD43uoQfA/UL8HYIw786W5edaUD96l1InErkfk3WKSAacgrDKr9PAOSrRegPXSM4cIGc8y9nilLBJIu5CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3b7e5c5f28efe6129213f8ef9032b2556c36567784940dd4d5416b2ed1b7d30e","last_reissued_at":"2026-07-05T04:57:05.950956Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:57:05.950956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2203.13785","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:57:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NyhUbhXmKgbVXsGa1mHS3sgu8Ni00CpbuiHHUHimVyY7QHaVr3kzPw5fCHade1OytDawxVBH41ALF2n9p54oBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T00:45:43.155237Z"},"content_sha256":"d72140d35afbc45fdbeede308e55888a9eecfdbfbfb00e1d7de124bf45b8c6ee","schema_version":"1.0","event_id":"sha256:d72140d35afbc45fdbeede308e55888a9eecfdbfbfb00e1d7de124bf45b8c6ee"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:HN7FYXZI57TBFEQT7DXZAMVSKV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Classical physics from amplitudes on curved backgrounds","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Andrea Cristofoli, Anton Ilderton, Tim Adamo","submitted_at":"2022-03-25T17:09:26Z","abstract_excerpt":"We generalise the Kosower-Maybee-O'Connell (KMOC) formalism relating classical observables and scattering amplitudes to curved backgrounds. We show how to compute the final semiclassical state for a particle moving in a curved background in terms of scattering amplitudes on that background. Two-point amplitudes in this framework correspond to conservative physics with background-dependent memory effects. As an application, we consider plane wave and shockwave backgrounds both in electromagnetism and general relativity. We determine the final semiclassical state, showing it satisfies a notion o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.13785","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2203.13785/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T04:57:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HAEtiRQM+DL31SFxzUXRDQfbVTDbTvl9WaFKrLPB57AD6N0TeVlOTJfwsBlhpXaPROsNO1Bu48dHZan2z+N6CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T00:45:43.155728Z"},"content_sha256":"d6343324eb18fedadd55fb309d6e4bad6d2915bebd24e7de23e7c8bcde70574a","schema_version":"1.0","event_id":"sha256:d6343324eb18fedadd55fb309d6e4bad6d2915bebd24e7de23e7c8bcde70574a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HN7FYXZI57TBFEQT7DXZAMVSKV/bundle.json","state_url":"https://pith.science/pith/HN7FYXZI57TBFEQT7DXZAMVSKV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HN7FYXZI57TBFEQT7DXZAMVSKV/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-11T00:45:43Z","links":{"resolver":"https://pith.science/pith/HN7FYXZI57TBFEQT7DXZAMVSKV","bundle":"https://pith.science/pith/HN7FYXZI57TBFEQT7DXZAMVSKV/bundle.json","state":"https://pith.science/pith/HN7FYXZI57TBFEQT7DXZAMVSKV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HN7FYXZI57TBFEQT7DXZAMVSKV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:HN7FYXZI57TBFEQT7DXZAMVSKV","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"d394caf514770570ebfeadd997137750cbf63da93cc6ae80dbe305b0a4c638cd","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2022-03-25T17:09:26Z","title_canon_sha256":"24e2971fc0987797c4f54b1948dfb48aca361fed4cddc5558af731dcc4301637"},"schema_version":"1.0","source":{"id":"2203.13785","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2203.13785","created_at":"2026-07-05T04:57:05Z"},{"alias_kind":"arxiv_version","alias_value":"2203.13785v2","created_at":"2026-07-05T04:57:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2203.13785","created_at":"2026-07-05T04:57:05Z"},{"alias_kind":"pith_short_12","alias_value":"HN7FYXZI57TB","created_at":"2026-07-05T04:57:05Z"},{"alias_kind":"pith_short_16","alias_value":"HN7FYXZI57TBFEQT","created_at":"2026-07-05T04:57:05Z"},{"alias_kind":"pith_short_8","alias_value":"HN7FYXZI","created_at":"2026-07-05T04:57:05Z"}],"graph_snapshots":[{"event_id":"sha256:d6343324eb18fedadd55fb309d6e4bad6d2915bebd24e7de23e7c8bcde70574a","target":"graph","created_at":"2026-07-05T04:57:05Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2203.13785/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We generalise the Kosower-Maybee-O'Connell (KMOC) formalism relating classical observables and scattering amplitudes to curved backgrounds. We show how to compute the final semiclassical state for a particle moving in a curved background in terms of scattering amplitudes on that background. Two-point amplitudes in this framework correspond to conservative physics with background-dependent memory effects. As an application, we consider plane wave and shockwave backgrounds both in electromagnetism and general relativity. We determine the final semiclassical state, showing it satisfies a notion o","authors_text":"Andrea Cristofoli, Anton Ilderton, Tim Adamo","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2022-03-25T17:09:26Z","title":"Classical physics from amplitudes on curved backgrounds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2203.13785","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:d72140d35afbc45fdbeede308e55888a9eecfdbfbfb00e1d7de124bf45b8c6ee","target":"record","created_at":"2026-07-05T04:57:05Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"d394caf514770570ebfeadd997137750cbf63da93cc6ae80dbe305b0a4c638cd","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"hep-th","submitted_at":"2022-03-25T17:09:26Z","title_canon_sha256":"24e2971fc0987797c4f54b1948dfb48aca361fed4cddc5558af731dcc4301637"},"schema_version":"1.0","source":{"id":"2203.13785","kind":"arxiv","version":2}},"canonical_sha256":"3b7e5c5f28efe6129213f8ef9032b2556c36567784940dd4d5416b2ed1b7d30e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3b7e5c5f28efe6129213f8ef9032b2556c36567784940dd4d5416b2ed1b7d30e","first_computed_at":"2026-07-05T04:57:05.950956Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:57:05.950956Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"g9S8pD43uoQfA/UL8HYIw786W5edaUD96l1InErkfk3WKSAacgrDKr9PAOSrRegPXSM4cIGc8y9nilLBJIu5CA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:57:05.951430Z","signed_message":"canonical_sha256_bytes"},"source_id":"2203.13785","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d72140d35afbc45fdbeede308e55888a9eecfdbfbfb00e1d7de124bf45b8c6ee","sha256:d6343324eb18fedadd55fb309d6e4bad6d2915bebd24e7de23e7c8bcde70574a"],"state_sha256":"0ee274e87defb1aef7dba7d0cdf1342e8b9ed321e0294342727e9c0adbed0765"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZjIqHyY7hvnfKlj8hsFHwcU+n+Qlry8gMmKhmk3UWnHW7g+Oh2inprN91dJ23HAAU0vtdE0U6f18wAljMHPwDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T00:45:43.160267Z","bundle_sha256":"d7fe4ec7de6e484ef51de11c41f397b5dc1f6b09a6cd38c61f6900fe22fa3818"}}