{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:QJBX3ILBCKNIG62DVOVZ2WJAJH","short_pith_number":"pith:QJBX3ILB","canonical_record":{"source":{"id":"2307.05135","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2023-07-11T09:24:48Z","cross_cats_sorted":[],"title_canon_sha256":"e651105da768f0aa1e0692bd5c854a9d99dc7472a06ef9d982bc66b2f27cbb59","abstract_canon_sha256":"ea534e2ed7e9ddeeda9c871044d80803d1480f938ed7d8e8cee3978bb07d3675"},"schema_version":"1.0"},"canonical_sha256":"82437da161129a837b43abab9d592049ccd2022cae5141236fdf4978c9f08394","source":{"kind":"arxiv","id":"2307.05135","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.05135","created_at":"2026-07-05T06:30:08Z"},{"alias_kind":"arxiv_version","alias_value":"2307.05135v2","created_at":"2026-07-05T06:30:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.05135","created_at":"2026-07-05T06:30:08Z"},{"alias_kind":"pith_short_12","alias_value":"QJBX3ILBCKNI","created_at":"2026-07-05T06:30:08Z"},{"alias_kind":"pith_short_16","alias_value":"QJBX3ILBCKNIG62D","created_at":"2026-07-05T06:30:08Z"},{"alias_kind":"pith_short_8","alias_value":"QJBX3ILB","created_at":"2026-07-05T06:30:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:QJBX3ILBCKNIG62DVOVZ2WJAJH","target":"record","payload":{"canonical_record":{"source":{"id":"2307.05135","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2023-07-11T09:24:48Z","cross_cats_sorted":[],"title_canon_sha256":"e651105da768f0aa1e0692bd5c854a9d99dc7472a06ef9d982bc66b2f27cbb59","abstract_canon_sha256":"ea534e2ed7e9ddeeda9c871044d80803d1480f938ed7d8e8cee3978bb07d3675"},"schema_version":"1.0"},"canonical_sha256":"82437da161129a837b43abab9d592049ccd2022cae5141236fdf4978c9f08394","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:30:08.385077Z","signature_b64":"i7O2+aERjk3IpjKHAGoXSCD4mnyTI3JQwJesEoFcN7UaGWr8h+do69ywdMMh0x1gkT0FB01Y3t4zuPppOvbMDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"82437da161129a837b43abab9d592049ccd2022cae5141236fdf4978c9f08394","last_reissued_at":"2026-07-05T06:30:08.384609Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:30:08.384609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2307.05135","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":"2026-07-05T06:30:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l0B2guw/ndWeqKGv4LKWFGgbvf77rxGu5xEzsnCJws97zodOxElNKMdSPz0yxHfWSyEmXLXh5OuF2Y7iFcdADQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T13:13:27.797635Z"},"content_sha256":"d38485b39aaceded2ee76b83d53e979cec70c0c75d4e7c55b5f05f5da7fe6331","schema_version":"1.0","event_id":"sha256:d38485b39aaceded2ee76b83d53e979cec70c0c75d4e7c55b5f05f5da7fe6331"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:QJBX3ILBCKNIG62DVOVZ2WJAJH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interplay of effects of neutron skins in coordinate space and proton skins in momentum space on hard photons emission in heavy-ion collisions around Fermi Energy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Bao-An Li, Gao-Chan Yong, Wen-Mei Guo","submitted_at":"2023-07-11T09:24:48Z","abstract_excerpt":"Within an isospin- and momentum-dependent Boltzmann-Uehling-Uhlenbeck (IBUU) transport model, we investigate the hard photons emission from neutron-proton bremsstrahlung in reaction system of $^{208}Pb+^{208}Pb$ around Fermi energy. Effects of neutron skins in coordinate ($r$) space and proton skins in momentum ($k$) space on the time evolution, the angular distribution, and the transverse momentum spectra of hard photons with different energies are studied. It is shown that the emission of direct hard photons is sensitive to the neutron skin, which has larger effects for more energetic hard p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.05135","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/2307.05135/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":"2026-07-05T06:30:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M3scjoOmhdMIJbA7ANdbZBsY9AlQR5xTVuhOdxX9cYK64h5iIgvuac/LPhglTdpM3mH8UHWblXTsHAppb+u/DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T13:13:27.798142Z"},"content_sha256":"193783a320ee705cc8537c99942886d0a6b7c1cfa93abafa2e32d7b85af726b3","schema_version":"1.0","event_id":"sha256:193783a320ee705cc8537c99942886d0a6b7c1cfa93abafa2e32d7b85af726b3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QJBX3ILBCKNIG62DVOVZ2WJAJH/bundle.json","state_url":"https://pith.science/pith/QJBX3ILBCKNIG62DVOVZ2WJAJH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QJBX3ILBCKNIG62DVOVZ2WJAJH/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":"2026-08-08T13:13:27Z","links":{"resolver":"https://pith.science/pith/QJBX3ILBCKNIG62DVOVZ2WJAJH","bundle":"https://pith.science/pith/QJBX3ILBCKNIG62DVOVZ2WJAJH/bundle.json","state":"https://pith.science/pith/QJBX3ILBCKNIG62DVOVZ2WJAJH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QJBX3ILBCKNIG62DVOVZ2WJAJH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:QJBX3ILBCKNIG62DVOVZ2WJAJH","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":"ea534e2ed7e9ddeeda9c871044d80803d1480f938ed7d8e8cee3978bb07d3675","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2023-07-11T09:24:48Z","title_canon_sha256":"e651105da768f0aa1e0692bd5c854a9d99dc7472a06ef9d982bc66b2f27cbb59"},"schema_version":"1.0","source":{"id":"2307.05135","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2307.05135","created_at":"2026-07-05T06:30:08Z"},{"alias_kind":"arxiv_version","alias_value":"2307.05135v2","created_at":"2026-07-05T06:30:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2307.05135","created_at":"2026-07-05T06:30:08Z"},{"alias_kind":"pith_short_12","alias_value":"QJBX3ILBCKNI","created_at":"2026-07-05T06:30:08Z"},{"alias_kind":"pith_short_16","alias_value":"QJBX3ILBCKNIG62D","created_at":"2026-07-05T06:30:08Z"},{"alias_kind":"pith_short_8","alias_value":"QJBX3ILB","created_at":"2026-07-05T06:30:08Z"}],"graph_snapshots":[{"event_id":"sha256:193783a320ee705cc8537c99942886d0a6b7c1cfa93abafa2e32d7b85af726b3","target":"graph","created_at":"2026-07-05T06:30:08Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2307.05135/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Within an isospin- and momentum-dependent Boltzmann-Uehling-Uhlenbeck (IBUU) transport model, we investigate the hard photons emission from neutron-proton bremsstrahlung in reaction system of $^{208}Pb+^{208}Pb$ around Fermi energy. Effects of neutron skins in coordinate ($r$) space and proton skins in momentum ($k$) space on the time evolution, the angular distribution, and the transverse momentum spectra of hard photons with different energies are studied. It is shown that the emission of direct hard photons is sensitive to the neutron skin, which has larger effects for more energetic hard p","authors_text":"Bao-An Li, Gao-Chan Yong, Wen-Mei Guo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2023-07-11T09:24:48Z","title":"Interplay of effects of neutron skins in coordinate space and proton skins in momentum space on hard photons emission in heavy-ion collisions around Fermi Energy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2307.05135","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:d38485b39aaceded2ee76b83d53e979cec70c0c75d4e7c55b5f05f5da7fe6331","target":"record","created_at":"2026-07-05T06:30:08Z","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":"ea534e2ed7e9ddeeda9c871044d80803d1480f938ed7d8e8cee3978bb07d3675","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2023-07-11T09:24:48Z","title_canon_sha256":"e651105da768f0aa1e0692bd5c854a9d99dc7472a06ef9d982bc66b2f27cbb59"},"schema_version":"1.0","source":{"id":"2307.05135","kind":"arxiv","version":2}},"canonical_sha256":"82437da161129a837b43abab9d592049ccd2022cae5141236fdf4978c9f08394","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"82437da161129a837b43abab9d592049ccd2022cae5141236fdf4978c9f08394","first_computed_at":"2026-07-05T06:30:08.384609Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:30:08.384609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i7O2+aERjk3IpjKHAGoXSCD4mnyTI3JQwJesEoFcN7UaGWr8h+do69ywdMMh0x1gkT0FB01Y3t4zuPppOvbMDw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:30:08.385077Z","signed_message":"canonical_sha256_bytes"},"source_id":"2307.05135","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d38485b39aaceded2ee76b83d53e979cec70c0c75d4e7c55b5f05f5da7fe6331","sha256:193783a320ee705cc8537c99942886d0a6b7c1cfa93abafa2e32d7b85af726b3"],"state_sha256":"e9c07e27417f34a940a875c17e5a99f777b682387c4d2e3a1db2a309cd93e5ee"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lTLoLJqHDIsh1dTcERp1qtySXUf9zUXghwnmpFRRYpfhyIXKmMxgtWY5HEguglw18v+7/mC9r6gQ7ztdsZvuDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T13:13:27.802930Z","bundle_sha256":"087766840b45592969e9a136a60146522d2b0f222725577e38697fe9b224828e"}}