{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:JKLGQXFIY2IF7GASZD56KPIEDE","short_pith_number":"pith:JKLGQXFI","canonical_record":{"source":{"id":"0803.1755","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-03-12T12:04:21Z","cross_cats_sorted":[],"title_canon_sha256":"ec826163a44de01b8648110f6b37c6b9f0eda98623ad528203a1230796da935e","abstract_canon_sha256":"05e08cbaac389ec86b77a3162a7cb732a0830fed12086e6166b4c49b94d350e9"},"schema_version":"1.0"},"canonical_sha256":"4a96685ca8c6905f9812c8fbe53d04191076aec18b492f5e1d6f221afc2b2cb2","source":{"kind":"arxiv","id":"0803.1755","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0803.1755","created_at":"2026-07-04T15:27:02Z"},{"alias_kind":"arxiv_version","alias_value":"0803.1755v1","created_at":"2026-07-04T15:27:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.1755","created_at":"2026-07-04T15:27:02Z"},{"alias_kind":"pith_short_12","alias_value":"JKLGQXFIY2IF","created_at":"2026-07-04T15:27:02Z"},{"alias_kind":"pith_short_16","alias_value":"JKLGQXFIY2IF7GAS","created_at":"2026-07-04T15:27:02Z"},{"alias_kind":"pith_short_8","alias_value":"JKLGQXFI","created_at":"2026-07-04T15:27:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:JKLGQXFIY2IF7GASZD56KPIEDE","target":"record","payload":{"canonical_record":{"source":{"id":"0803.1755","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-03-12T12:04:21Z","cross_cats_sorted":[],"title_canon_sha256":"ec826163a44de01b8648110f6b37c6b9f0eda98623ad528203a1230796da935e","abstract_canon_sha256":"05e08cbaac389ec86b77a3162a7cb732a0830fed12086e6166b4c49b94d350e9"},"schema_version":"1.0"},"canonical_sha256":"4a96685ca8c6905f9812c8fbe53d04191076aec18b492f5e1d6f221afc2b2cb2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:27:02.262450Z","signature_b64":"2/AhqwERyqQgL2SYlaz32L4q+jCzbveMpTxDhmSni4npHg6fKM1IS34FQKqf7dhpRRwl7z6sYJMt9c7GVq4gDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4a96685ca8c6905f9812c8fbe53d04191076aec18b492f5e1d6f221afc2b2cb2","last_reissued_at":"2026-07-04T15:27:02.262090Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:27:02.262090Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0803.1755","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:27:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z0yTeWwIIz2n0Oh0I7F6BJzixaSaZ35vOfFFWzx5Z56htoOxl96cj7wccUhaHztwm+JxQpoUFmNd6mBsOzCTAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T10:21:48.041140Z"},"content_sha256":"5a9b622388bf7a4682a51f2a8f7bcd55f9b8dfddb950a8eae024d10aac97c22f","schema_version":"1.0","event_id":"sha256:5a9b622388bf7a4682a51f2a8f7bcd55f9b8dfddb950a8eae024d10aac97c22f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:JKLGQXFIY2IF7GASZD56KPIEDE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Analysis of angular distributions in gamma N \\to pi0 eta N","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"A. Fix, L. Tiator, M. Ostrick","submitted_at":"2008-03-12T12:04:21Z","abstract_excerpt":"Angular distributions in the final state of pi0-eta photoproduction on nucleons are considered. As a formal base the familiar isobar model is used in which the (pi0 eta N) state is a product of the resonance decay into eta-Delta(1232) and pi-S_{11}(1535) channels. One of the principal assumptions used is that in the actual energy region the reaction is dominated by a single resonance state. The developed formalism can serve as a tool for testing spin and parity of that resonance."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.1755","kind":"arxiv","version":1},"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/0803.1755/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":"2026-07-04T15:27:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oYshHwcuNRnBada8CpC4l+/5eWmdZWtERvG0gUC+I0QKhVIrUvdkCyMu+EsXDArqxg2RhJ6ff/v8QhlZs6eCCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T10:21:48.041540Z"},"content_sha256":"e10d73ce880cc90ee9d60da038bd4d5ec7c5d15bb8bf6becd8c478fa391cff7d","schema_version":"1.0","event_id":"sha256:e10d73ce880cc90ee9d60da038bd4d5ec7c5d15bb8bf6becd8c478fa391cff7d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JKLGQXFIY2IF7GASZD56KPIEDE/bundle.json","state_url":"https://pith.science/pith/JKLGQXFIY2IF7GASZD56KPIEDE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JKLGQXFIY2IF7GASZD56KPIEDE/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":"2026-07-07T10:21:48Z","links":{"resolver":"https://pith.science/pith/JKLGQXFIY2IF7GASZD56KPIEDE","bundle":"https://pith.science/pith/JKLGQXFIY2IF7GASZD56KPIEDE/bundle.json","state":"https://pith.science/pith/JKLGQXFIY2IF7GASZD56KPIEDE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JKLGQXFIY2IF7GASZD56KPIEDE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:JKLGQXFIY2IF7GASZD56KPIEDE","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":"05e08cbaac389ec86b77a3162a7cb732a0830fed12086e6166b4c49b94d350e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-03-12T12:04:21Z","title_canon_sha256":"ec826163a44de01b8648110f6b37c6b9f0eda98623ad528203a1230796da935e"},"schema_version":"1.0","source":{"id":"0803.1755","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0803.1755","created_at":"2026-07-04T15:27:02Z"},{"alias_kind":"arxiv_version","alias_value":"0803.1755v1","created_at":"2026-07-04T15:27:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0803.1755","created_at":"2026-07-04T15:27:02Z"},{"alias_kind":"pith_short_12","alias_value":"JKLGQXFIY2IF","created_at":"2026-07-04T15:27:02Z"},{"alias_kind":"pith_short_16","alias_value":"JKLGQXFIY2IF7GAS","created_at":"2026-07-04T15:27:02Z"},{"alias_kind":"pith_short_8","alias_value":"JKLGQXFI","created_at":"2026-07-04T15:27:02Z"}],"graph_snapshots":[{"event_id":"sha256:e10d73ce880cc90ee9d60da038bd4d5ec7c5d15bb8bf6becd8c478fa391cff7d","target":"graph","created_at":"2026-07-04T15:27:02Z","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/0803.1755/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Angular distributions in the final state of pi0-eta photoproduction on nucleons are considered. As a formal base the familiar isobar model is used in which the (pi0 eta N) state is a product of the resonance decay into eta-Delta(1232) and pi-S_{11}(1535) channels. One of the principal assumptions used is that in the actual energy region the reaction is dominated by a single resonance state. The developed formalism can serve as a tool for testing spin and parity of that resonance.","authors_text":"A. Fix, L. Tiator, M. Ostrick","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-03-12T12:04:21Z","title":"Analysis of angular distributions in gamma N \\to pi0 eta N"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0803.1755","kind":"arxiv","version":1},"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":"sha256:5a9b622388bf7a4682a51f2a8f7bcd55f9b8dfddb950a8eae024d10aac97c22f","target":"record","created_at":"2026-07-04T15:27:02Z","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":"05e08cbaac389ec86b77a3162a7cb732a0830fed12086e6166b4c49b94d350e9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2008-03-12T12:04:21Z","title_canon_sha256":"ec826163a44de01b8648110f6b37c6b9f0eda98623ad528203a1230796da935e"},"schema_version":"1.0","source":{"id":"0803.1755","kind":"arxiv","version":1}},"canonical_sha256":"4a96685ca8c6905f9812c8fbe53d04191076aec18b492f5e1d6f221afc2b2cb2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4a96685ca8c6905f9812c8fbe53d04191076aec18b492f5e1d6f221afc2b2cb2","first_computed_at":"2026-07-04T15:27:02.262090Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:27:02.262090Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2/AhqwERyqQgL2SYlaz32L4q+jCzbveMpTxDhmSni4npHg6fKM1IS34FQKqf7dhpRRwl7z6sYJMt9c7GVq4gDQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:27:02.262450Z","signed_message":"canonical_sha256_bytes"},"source_id":"0803.1755","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5a9b622388bf7a4682a51f2a8f7bcd55f9b8dfddb950a8eae024d10aac97c22f","sha256:e10d73ce880cc90ee9d60da038bd4d5ec7c5d15bb8bf6becd8c478fa391cff7d"],"state_sha256":"7529e378d38a1c2ac0a06c637f2bd820be0bb736b3325085f8b72a89e2ffc64c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oBhGlKvvi6itmnWwwG9Xk8769W23cKEN8FxeNVF/y9Dp9t5ECdD30kS1Em8DDny74n7b9Ol6PaSwv0AsPvACAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T10:21:48.043462Z","bundle_sha256":"fdeae233334923cb441e4e734889309905d2a735a886f0670223a3a3f4b1e11a"}}