{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:LITZTALICDV4PZB3X2LKN4WT5C","short_pith_number":"pith:LITZTALI","canonical_record":{"source":{"id":"1005.1910","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-05-11T18:56:34Z","cross_cats_sorted":[],"title_canon_sha256":"f49c1247e5746cfc52926e365cf33354dce1fb734c3962fd1947f84e3c4ca6a6","abstract_canon_sha256":"c6ce3dcc226d9c113b49f9e1f6ec80232d05ac458124a27dfa3f2b82211fc9ae"},"schema_version":"1.0"},"canonical_sha256":"5a2799816810ebc7e43bbe96a6f2d3e89f1b42312e347828bd665839c0b2dd07","source":{"kind":"arxiv","id":"1005.1910","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.1910","created_at":"2026-05-18T02:24:08Z"},{"alias_kind":"arxiv_version","alias_value":"1005.1910v2","created_at":"2026-05-18T02:24:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.1910","created_at":"2026-05-18T02:24:08Z"},{"alias_kind":"pith_short_12","alias_value":"LITZTALICDV4","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"LITZTALICDV4PZB3","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"LITZTALI","created_at":"2026-05-18T12:26:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:LITZTALICDV4PZB3X2LKN4WT5C","target":"record","payload":{"canonical_record":{"source":{"id":"1005.1910","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-05-11T18:56:34Z","cross_cats_sorted":[],"title_canon_sha256":"f49c1247e5746cfc52926e365cf33354dce1fb734c3962fd1947f84e3c4ca6a6","abstract_canon_sha256":"c6ce3dcc226d9c113b49f9e1f6ec80232d05ac458124a27dfa3f2b82211fc9ae"},"schema_version":"1.0"},"canonical_sha256":"5a2799816810ebc7e43bbe96a6f2d3e89f1b42312e347828bd665839c0b2dd07","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:24:08.293768Z","signature_b64":"jrEbbJOp0eb9Beyb2UDneTZAip+UUGEBgjnLkq4krsPoxH4xZoVloQm4KYqT0iT6lou/61kwwRdetwy9II1XAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a2799816810ebc7e43bbe96a6f2d3e89f1b42312e347828bd665839c0b2dd07","last_reissued_at":"2026-05-18T02:24:08.293171Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:24:08.293171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1005.1910","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":"2026-05-18T02:24:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K9CKOzKxyzD/opv6Ix/yRpGOERBNCeEBMCoOi56knaaVsLPzNYUAFTCxL8EIj7xrNrS+B34Z7N40Sopnt9rhAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T15:02:08.942309Z"},"content_sha256":"efafdd66862c97ef43d82bca46fd4c172f391cf3652cd5716f367ad55627b686","schema_version":"1.0","event_id":"sha256:efafdd66862c97ef43d82bca46fd4c172f391cf3652cd5716f367ad55627b686"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:LITZTALICDV4PZB3X2LKN4WT5C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Impulse approximation in the n p --> d pi^0 reaction reexamined","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Daniel R. Bolton, Gerald A. Miller","submitted_at":"2010-05-11T18:56:34Z","abstract_excerpt":"The impulse approximation (one-body operator) in the n p --> d pi^0 reaction is reexamined with emphasis on the issues of reducibility and recoil corrections. An inconsistency when one pion exchange is included in the production operator is demonstrated and then resolved via the introduction of \"wave function corrections\" which nearly vanish for static nucleon propagators. Inclusion of the recoil corrections to the nucleon propagators is found to change the magnitude and sign of the impulse production amplitude, worsening agreement with the experimental cross section by approximately 30%. A cu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.1910","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":""},"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":"2026-05-18T02:24:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hrqSN97j9VR9szC2T9vH/exPfeSd2uGTsKzZgdjtOntPSDGFSiC/pxkdHvyYfDMlI+H04JaHmSBpMXGXAafECg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T15:02:08.943066Z"},"content_sha256":"ada388fd8a8bf349080dc0fa767901c36b04de094f027f55442d80b7101e9ee2","schema_version":"1.0","event_id":"sha256:ada388fd8a8bf349080dc0fa767901c36b04de094f027f55442d80b7101e9ee2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LITZTALICDV4PZB3X2LKN4WT5C/bundle.json","state_url":"https://pith.science/pith/LITZTALICDV4PZB3X2LKN4WT5C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LITZTALICDV4PZB3X2LKN4WT5C/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":"2026-05-31T15:02:08Z","links":{"resolver":"https://pith.science/pith/LITZTALICDV4PZB3X2LKN4WT5C","bundle":"https://pith.science/pith/LITZTALICDV4PZB3X2LKN4WT5C/bundle.json","state":"https://pith.science/pith/LITZTALICDV4PZB3X2LKN4WT5C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LITZTALICDV4PZB3X2LKN4WT5C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:LITZTALICDV4PZB3X2LKN4WT5C","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":"c6ce3dcc226d9c113b49f9e1f6ec80232d05ac458124a27dfa3f2b82211fc9ae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-05-11T18:56:34Z","title_canon_sha256":"f49c1247e5746cfc52926e365cf33354dce1fb734c3962fd1947f84e3c4ca6a6"},"schema_version":"1.0","source":{"id":"1005.1910","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.1910","created_at":"2026-05-18T02:24:08Z"},{"alias_kind":"arxiv_version","alias_value":"1005.1910v2","created_at":"2026-05-18T02:24:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.1910","created_at":"2026-05-18T02:24:08Z"},{"alias_kind":"pith_short_12","alias_value":"LITZTALICDV4","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"LITZTALICDV4PZB3","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"LITZTALI","created_at":"2026-05-18T12:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:ada388fd8a8bf349080dc0fa767901c36b04de094f027f55442d80b7101e9ee2","target":"graph","created_at":"2026-05-18T02:24:08Z","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":"The impulse approximation (one-body operator) in the n p --> d pi^0 reaction is reexamined with emphasis on the issues of reducibility and recoil corrections. An inconsistency when one pion exchange is included in the production operator is demonstrated and then resolved via the introduction of \"wave function corrections\" which nearly vanish for static nucleon propagators. Inclusion of the recoil corrections to the nucleon propagators is found to change the magnitude and sign of the impulse production amplitude, worsening agreement with the experimental cross section by approximately 30%. A cu","authors_text":"Daniel R. Bolton, Gerald A. Miller","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-05-11T18:56:34Z","title":"Impulse approximation in the n p --> d pi^0 reaction reexamined"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.1910","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:efafdd66862c97ef43d82bca46fd4c172f391cf3652cd5716f367ad55627b686","target":"record","created_at":"2026-05-18T02:24:08Z","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":"c6ce3dcc226d9c113b49f9e1f6ec80232d05ac458124a27dfa3f2b82211fc9ae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2010-05-11T18:56:34Z","title_canon_sha256":"f49c1247e5746cfc52926e365cf33354dce1fb734c3962fd1947f84e3c4ca6a6"},"schema_version":"1.0","source":{"id":"1005.1910","kind":"arxiv","version":2}},"canonical_sha256":"5a2799816810ebc7e43bbe96a6f2d3e89f1b42312e347828bd665839c0b2dd07","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5a2799816810ebc7e43bbe96a6f2d3e89f1b42312e347828bd665839c0b2dd07","first_computed_at":"2026-05-18T02:24:08.293171Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:24:08.293171Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jrEbbJOp0eb9Beyb2UDneTZAip+UUGEBgjnLkq4krsPoxH4xZoVloQm4KYqT0iT6lou/61kwwRdetwy9II1XAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:24:08.293768Z","signed_message":"canonical_sha256_bytes"},"source_id":"1005.1910","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:efafdd66862c97ef43d82bca46fd4c172f391cf3652cd5716f367ad55627b686","sha256:ada388fd8a8bf349080dc0fa767901c36b04de094f027f55442d80b7101e9ee2"],"state_sha256":"89f61f19f251a3a2a0a38981ad25390eb41602fa3e5a6ed85bc285f46eeccb38"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BKNkpQk2p0BG+VvDCnwOxbZuHF2jXlamPCCpZLd0q7ejNIR+Kt/3E2oBaZeDgNvntTFBGXw3CeiNC2mrVfy7Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T15:02:08.946753Z","bundle_sha256":"3b0cafe770ef762a9cddcabe78768eee736b3f12d8da500076c650c50a6f8b58"}}