{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:4XOLGDPL5JABZQVAYZ7RIU44CU","short_pith_number":"pith:4XOLGDPL","canonical_record":{"source":{"id":"2509.10176","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2025-09-12T12:05:24Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"ab0b1fd57b404331013c9f27891321ed9ecfb61834ea19bc2db45ba1185e6dab","abstract_canon_sha256":"135562c42716b27ff087c9121458f59c7c6a4d8194c03f6b93e95f690f7211b4"},"schema_version":"1.0"},"canonical_sha256":"e5dcb30debea401cc2a0c67f14539c15314cda8a19f582aad659f183e350f3ff","source":{"kind":"arxiv","id":"2509.10176","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.10176","created_at":"2026-07-05T12:11:04Z"},{"alias_kind":"arxiv_version","alias_value":"2509.10176v1","created_at":"2026-07-05T12:11:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.10176","created_at":"2026-07-05T12:11:04Z"},{"alias_kind":"pith_short_12","alias_value":"4XOLGDPL5JAB","created_at":"2026-07-05T12:11:04Z"},{"alias_kind":"pith_short_16","alias_value":"4XOLGDPL5JABZQVA","created_at":"2026-07-05T12:11:04Z"},{"alias_kind":"pith_short_8","alias_value":"4XOLGDPL","created_at":"2026-07-05T12:11:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:4XOLGDPL5JABZQVAYZ7RIU44CU","target":"record","payload":{"canonical_record":{"source":{"id":"2509.10176","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2025-09-12T12:05:24Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"ab0b1fd57b404331013c9f27891321ed9ecfb61834ea19bc2db45ba1185e6dab","abstract_canon_sha256":"135562c42716b27ff087c9121458f59c7c6a4d8194c03f6b93e95f690f7211b4"},"schema_version":"1.0"},"canonical_sha256":"e5dcb30debea401cc2a0c67f14539c15314cda8a19f582aad659f183e350f3ff","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:11:04.385611Z","signature_b64":"H2ikPvawxi5DkrklEr+QK5a/JrN3cYN4EN5YmC59ZciZtW/GnO2S8kjlcpK3h3fUS8izAxvGst1D+zv1TRS4Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e5dcb30debea401cc2a0c67f14539c15314cda8a19f582aad659f183e350f3ff","last_reissued_at":"2026-07-05T12:11:04.385101Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:11:04.385101Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2509.10176","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":"2026-07-05T12:11:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j7+KFDRODuvRSP6kiqpiA4Iwv8m0De7Qj8CHHqgW7oN8Yi+7MCNXAv9Ip+VQokk9Qk2DppWotlfqgf59b37rAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T15:42:21.879158Z"},"content_sha256":"d6c8b52d4f88ba7cdfb0a262259fdde76c9a0041701397f6c96cd526bf101a2b","schema_version":"1.0","event_id":"sha256:d6c8b52d4f88ba7cdfb0a262259fdde76c9a0041701397f6c96cd526bf101a2b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:4XOLGDPL5JABZQVAYZ7RIU44CU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Effective Mass in Quantum Hadrodynamics-I and its Impact on the Equation of State of Neutron Matter","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"nucl-th","authors_text":"Eko Tri Sulistyani, Ghitha Nadhira Azka Rahiemy, Pekik Nurwantoro","submitted_at":"2025-09-12T12:05:24Z","abstract_excerpt":"The effective nucleon mass (M^*) plays a central role in Quantum Hadrodynamics-I (QHD-I), linking scalar meson interactions at the microscopic level to the macroscopic properties of dense nuclear matter. In this work, we re-derive the scalar density integral in detail and validate it numerically using Gaussian quadrature. The numerical and analytic results are found to be in excellent agreement, confirming the robustness of both approaches. We then investigate the sensitivity of M^* to different parameter sets, highlighting its strong influence on nuclear saturation, compressibility, and the r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.10176","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/2509.10176/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":"2026-07-05T12:11:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2bRLJTDmQZC6hVNxsPMxKJgmj/xK9mjn+zNWNILIos0FlyIWXe2ijwNsRfvAtiSckLfpQ4IsAqDZKY+V8PoGCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T15:42:21.879679Z"},"content_sha256":"d13ecd71877777648de4b2f95e30a3d8bb197d376040f47f212e844f7a4bd9f8","schema_version":"1.0","event_id":"sha256:d13ecd71877777648de4b2f95e30a3d8bb197d376040f47f212e844f7a4bd9f8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4XOLGDPL5JABZQVAYZ7RIU44CU/bundle.json","state_url":"https://pith.science/pith/4XOLGDPL5JABZQVAYZ7RIU44CU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4XOLGDPL5JABZQVAYZ7RIU44CU/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":"2026-08-07T15:42:21Z","links":{"resolver":"https://pith.science/pith/4XOLGDPL5JABZQVAYZ7RIU44CU","bundle":"https://pith.science/pith/4XOLGDPL5JABZQVAYZ7RIU44CU/bundle.json","state":"https://pith.science/pith/4XOLGDPL5JABZQVAYZ7RIU44CU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4XOLGDPL5JABZQVAYZ7RIU44CU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:4XOLGDPL5JABZQVAYZ7RIU44CU","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":"135562c42716b27ff087c9121458f59c7c6a4d8194c03f6b93e95f690f7211b4","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2025-09-12T12:05:24Z","title_canon_sha256":"ab0b1fd57b404331013c9f27891321ed9ecfb61834ea19bc2db45ba1185e6dab"},"schema_version":"1.0","source":{"id":"2509.10176","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.10176","created_at":"2026-07-05T12:11:04Z"},{"alias_kind":"arxiv_version","alias_value":"2509.10176v1","created_at":"2026-07-05T12:11:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.10176","created_at":"2026-07-05T12:11:04Z"},{"alias_kind":"pith_short_12","alias_value":"4XOLGDPL5JAB","created_at":"2026-07-05T12:11:04Z"},{"alias_kind":"pith_short_16","alias_value":"4XOLGDPL5JABZQVA","created_at":"2026-07-05T12:11:04Z"},{"alias_kind":"pith_short_8","alias_value":"4XOLGDPL","created_at":"2026-07-05T12:11:04Z"}],"graph_snapshots":[{"event_id":"sha256:d13ecd71877777648de4b2f95e30a3d8bb197d376040f47f212e844f7a4bd9f8","target":"graph","created_at":"2026-07-05T12:11:04Z","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/2509.10176/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The effective nucleon mass (M^*) plays a central role in Quantum Hadrodynamics-I (QHD-I), linking scalar meson interactions at the microscopic level to the macroscopic properties of dense nuclear matter. In this work, we re-derive the scalar density integral in detail and validate it numerically using Gaussian quadrature. The numerical and analytic results are found to be in excellent agreement, confirming the robustness of both approaches. We then investigate the sensitivity of M^* to different parameter sets, highlighting its strong influence on nuclear saturation, compressibility, and the r","authors_text":"Eko Tri Sulistyani, Ghitha Nadhira Azka Rahiemy, Pekik Nurwantoro","cross_cats":["astro-ph.HE"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2025-09-12T12:05:24Z","title":"Effective Mass in Quantum Hadrodynamics-I and its Impact on the Equation of State of Neutron Matter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.10176","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:d6c8b52d4f88ba7cdfb0a262259fdde76c9a0041701397f6c96cd526bf101a2b","target":"record","created_at":"2026-07-05T12:11:04Z","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":"135562c42716b27ff087c9121458f59c7c6a4d8194c03f6b93e95f690f7211b4","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"nucl-th","submitted_at":"2025-09-12T12:05:24Z","title_canon_sha256":"ab0b1fd57b404331013c9f27891321ed9ecfb61834ea19bc2db45ba1185e6dab"},"schema_version":"1.0","source":{"id":"2509.10176","kind":"arxiv","version":1}},"canonical_sha256":"e5dcb30debea401cc2a0c67f14539c15314cda8a19f582aad659f183e350f3ff","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e5dcb30debea401cc2a0c67f14539c15314cda8a19f582aad659f183e350f3ff","first_computed_at":"2026-07-05T12:11:04.385101Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:11:04.385101Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"H2ikPvawxi5DkrklEr+QK5a/JrN3cYN4EN5YmC59ZciZtW/GnO2S8kjlcpK3h3fUS8izAxvGst1D+zv1TRS4Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T12:11:04.385611Z","signed_message":"canonical_sha256_bytes"},"source_id":"2509.10176","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d6c8b52d4f88ba7cdfb0a262259fdde76c9a0041701397f6c96cd526bf101a2b","sha256:d13ecd71877777648de4b2f95e30a3d8bb197d376040f47f212e844f7a4bd9f8"],"state_sha256":"6df054373d0b86bc34ccca884aaae48b8a9309413c61ccea133e3967999f868f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DlAnEfdfLB6LoNNCIFzdOHoJdfWjm8LeU8iJe8crIgxPNMkK3KObYswelr9Zi3VayVEi+Pys+3jpyUkqLFEOAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T15:42:21.883961Z","bundle_sha256":"55915e7327329aee611816743b8a24ca7c20ad9b30b8289e6f1d0be4cc5d3d14"}}