{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:D7AHJH3VESWYWOTZ3Z4MQYPFDE","short_pith_number":"pith:D7AHJH3V","canonical_record":{"source":{"id":"1804.09193","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-04-24T18:06:58Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"cf1e832501145c1e9b3962b22552ec54c817966e150b1f65c8b8d421547f5a64","abstract_canon_sha256":"881338ad13fa57ff3159be2e5db1c32199d6b01ba26f63993b71b94da597e8f9"},"schema_version":"1.0"},"canonical_sha256":"1fc0749f7524ad8b3a79de78c861e519342e005eb9d50290e078b4ef8211ee5e","source":{"kind":"arxiv","id":"1804.09193","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.09193","created_at":"2026-05-18T00:00:56Z"},{"alias_kind":"arxiv_version","alias_value":"1804.09193v3","created_at":"2026-05-18T00:00:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.09193","created_at":"2026-05-18T00:00:56Z"},{"alias_kind":"pith_short_12","alias_value":"D7AHJH3VESWY","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"D7AHJH3VESWYWOTZ","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"D7AHJH3V","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:D7AHJH3VESWYWOTZ3Z4MQYPFDE","target":"record","payload":{"canonical_record":{"source":{"id":"1804.09193","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-04-24T18:06:58Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"cf1e832501145c1e9b3962b22552ec54c817966e150b1f65c8b8d421547f5a64","abstract_canon_sha256":"881338ad13fa57ff3159be2e5db1c32199d6b01ba26f63993b71b94da597e8f9"},"schema_version":"1.0"},"canonical_sha256":"1fc0749f7524ad8b3a79de78c861e519342e005eb9d50290e078b4ef8211ee5e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:00:56.300694Z","signature_b64":"3f/nZKnnR4R8yv1ATxq6mTbEuF80KLU2hMlBsyeR6sp7T3CSQB4fDX4VXv/hScnVOZ7koN2VqsHeq5WpBupMAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1fc0749f7524ad8b3a79de78c861e519342e005eb9d50290e078b4ef8211ee5e","last_reissued_at":"2026-05-18T00:00:56.300143Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:00:56.300143Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.09193","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:00:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4kbdb6uDROAyJOzEH5wuHqSspfqxh9PedyJJVDzb9w8gExStpr6fikuba9ENIynx94hPDYxR1875wIzBTm3uDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T21:54:13.512667Z"},"content_sha256":"192bbd96fd7224b0daf19903cbbd3e6a881fcc289f878fd8ae68dbeab49250f8","schema_version":"1.0","event_id":"sha256:192bbd96fd7224b0daf19903cbbd3e6a881fcc289f878fd8ae68dbeab49250f8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:D7AHJH3VESWYWOTZ3Z4MQYPFDE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Logarithmic Terms in the Soft Expansion in Four Dimensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Alok Laddha, Ashoke Sen","submitted_at":"2018-04-24T18:06:58Z","abstract_excerpt":"It has been shown that in larger than four space-time dimensions, soft factors that relate the amplitudes with a soft photon or graviton to amplitudes without the soft particle also determine the low frequency radiative part of the electromagnetic and gravitational fields during classical scattering. In four dimensions the S-matrix becomes infrared divergent making the usual definition of the soft factor ambiguous beyond the leading order. However the radiative parts of the electromagnetic and gravitational fields provide an unambiguous definition of soft factor in the classical limit up to th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.09193","kind":"arxiv","version":3},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-18T00:00:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6oHSU5WYZzZlDtiZ8zrcimKHtP5lQyqFzobZbdhbxIChf+IBw+Z0/YKUmmwkZV38vZaJQP+z7PAZgob9+Q7JAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T21:54:13.513020Z"},"content_sha256":"5c883b568072d041f5b5bd88fd6972aab4c122ed8d2da0d30cb4452c3621c44d","schema_version":"1.0","event_id":"sha256:5c883b568072d041f5b5bd88fd6972aab4c122ed8d2da0d30cb4452c3621c44d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D7AHJH3VESWYWOTZ3Z4MQYPFDE/bundle.json","state_url":"https://pith.science/pith/D7AHJH3VESWYWOTZ3Z4MQYPFDE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D7AHJH3VESWYWOTZ3Z4MQYPFDE/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":"2026-05-29T21:54:13Z","links":{"resolver":"https://pith.science/pith/D7AHJH3VESWYWOTZ3Z4MQYPFDE","bundle":"https://pith.science/pith/D7AHJH3VESWYWOTZ3Z4MQYPFDE/bundle.json","state":"https://pith.science/pith/D7AHJH3VESWYWOTZ3Z4MQYPFDE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D7AHJH3VESWYWOTZ3Z4MQYPFDE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:D7AHJH3VESWYWOTZ3Z4MQYPFDE","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":"881338ad13fa57ff3159be2e5db1c32199d6b01ba26f63993b71b94da597e8f9","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-04-24T18:06:58Z","title_canon_sha256":"cf1e832501145c1e9b3962b22552ec54c817966e150b1f65c8b8d421547f5a64"},"schema_version":"1.0","source":{"id":"1804.09193","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.09193","created_at":"2026-05-18T00:00:56Z"},{"alias_kind":"arxiv_version","alias_value":"1804.09193v3","created_at":"2026-05-18T00:00:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.09193","created_at":"2026-05-18T00:00:56Z"},{"alias_kind":"pith_short_12","alias_value":"D7AHJH3VESWY","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"D7AHJH3VESWYWOTZ","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"D7AHJH3V","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:5c883b568072d041f5b5bd88fd6972aab4c122ed8d2da0d30cb4452c3621c44d","target":"graph","created_at":"2026-05-18T00:00:56Z","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"},"paper":{"abstract_excerpt":"It has been shown that in larger than four space-time dimensions, soft factors that relate the amplitudes with a soft photon or graviton to amplitudes without the soft particle also determine the low frequency radiative part of the electromagnetic and gravitational fields during classical scattering. In four dimensions the S-matrix becomes infrared divergent making the usual definition of the soft factor ambiguous beyond the leading order. However the radiative parts of the electromagnetic and gravitational fields provide an unambiguous definition of soft factor in the classical limit up to th","authors_text":"Alok Laddha, Ashoke Sen","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-04-24T18:06:58Z","title":"Logarithmic Terms in the Soft Expansion in Four Dimensions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.09193","kind":"arxiv","version":3},"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":"sha256:192bbd96fd7224b0daf19903cbbd3e6a881fcc289f878fd8ae68dbeab49250f8","target":"record","created_at":"2026-05-18T00:00:56Z","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":"881338ad13fa57ff3159be2e5db1c32199d6b01ba26f63993b71b94da597e8f9","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2018-04-24T18:06:58Z","title_canon_sha256":"cf1e832501145c1e9b3962b22552ec54c817966e150b1f65c8b8d421547f5a64"},"schema_version":"1.0","source":{"id":"1804.09193","kind":"arxiv","version":3}},"canonical_sha256":"1fc0749f7524ad8b3a79de78c861e519342e005eb9d50290e078b4ef8211ee5e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1fc0749f7524ad8b3a79de78c861e519342e005eb9d50290e078b4ef8211ee5e","first_computed_at":"2026-05-18T00:00:56.300143Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:00:56.300143Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3f/nZKnnR4R8yv1ATxq6mTbEuF80KLU2hMlBsyeR6sp7T3CSQB4fDX4VXv/hScnVOZ7koN2VqsHeq5WpBupMAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:00:56.300694Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.09193","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:192bbd96fd7224b0daf19903cbbd3e6a881fcc289f878fd8ae68dbeab49250f8","sha256:5c883b568072d041f5b5bd88fd6972aab4c122ed8d2da0d30cb4452c3621c44d"],"state_sha256":"fa84521e5df834034901c0470d946c2e6120c3b8881e131ede8e74da82cd708f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b+uE2MRxddFGS0QBNv6Gd0TijGvqWUgBCTt92wRUUeeYNtOO6KVimGxWuHcKjlj9G4MZ+Px6zf6+NVPDVWOPCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T21:54:13.515212Z","bundle_sha256":"95d4b7db622b56e44a8813a89b1b54c0fda39f0ff8f76174eb1c7086fd700814"}}