{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:KER7BJSGMVB3QS5BBJZWZVAFL2","short_pith_number":"pith:KER7BJSG","canonical_record":{"source":{"id":"1805.01709","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-05-04T11:00:15Z","cross_cats_sorted":[],"title_canon_sha256":"718e0e134c1ec9f908a95190137c6223f098153d0f3cce948c73ccc0b262412d","abstract_canon_sha256":"c0143405116fb97d3d396372c6f3c064f6429c8e14b9b6068d1703b7289f9e42"},"schema_version":"1.0"},"canonical_sha256":"5123f0a6466543b84ba10a736cd4055e924fa5f305a8c164a0bb366ea4ed2ea0","source":{"kind":"arxiv","id":"1805.01709","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.01709","created_at":"2026-05-18T00:16:46Z"},{"alias_kind":"arxiv_version","alias_value":"1805.01709v1","created_at":"2026-05-18T00:16:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.01709","created_at":"2026-05-18T00:16:46Z"},{"alias_kind":"pith_short_12","alias_value":"KER7BJSGMVB3","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KER7BJSGMVB3QS5B","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KER7BJSG","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:KER7BJSGMVB3QS5BBJZWZVAFL2","target":"record","payload":{"canonical_record":{"source":{"id":"1805.01709","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-05-04T11:00:15Z","cross_cats_sorted":[],"title_canon_sha256":"718e0e134c1ec9f908a95190137c6223f098153d0f3cce948c73ccc0b262412d","abstract_canon_sha256":"c0143405116fb97d3d396372c6f3c064f6429c8e14b9b6068d1703b7289f9e42"},"schema_version":"1.0"},"canonical_sha256":"5123f0a6466543b84ba10a736cd4055e924fa5f305a8c164a0bb366ea4ed2ea0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:16:46.972984Z","signature_b64":"kgBeYBfGnUT4kLvngXwcXne5X4ENxBRpIeL82r4tQ2cTqWnBEci+SZwT+ANhEqBT/o1d3Kgjpx4X7jQEJYeECw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5123f0a6466543b84ba10a736cd4055e924fa5f305a8c164a0bb366ea4ed2ea0","last_reissued_at":"2026-05-18T00:16:46.972490Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:16:46.972490Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.01709","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":"2026-05-18T00:16:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vhv03LoEuOhBqId7Npxco25j4cO54OdimQzdJ4uh2BcorfiPB17OhOwyoOTuVeXq+Aj07zUfdiD+EHxHEXHNDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T12:41:12.872973Z"},"content_sha256":"6995c75378e527e0c867c298945575c93df0c689bbb62dc955cee4c515409ccc","schema_version":"1.0","event_id":"sha256:6995c75378e527e0c867c298945575c93df0c689bbb62dc955cee4c515409ccc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:KER7BJSGMVB3QS5BBJZWZVAFL2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spectral function for $\\bar{D}_{0}^{\\ast}$ $(0^+)$ meson in isospin asymmetric nuclear matter with chiral partner structure","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Daiki Suenaga","submitted_at":"2018-05-04T11:00:15Z","abstract_excerpt":"We study a spectral function for $\\bar{D}_0^*$ $(0^+)$ meson in symmetric and neutron-rich asymmetric nuclear matter from the viewpoint of the partial restoration of chiral symmetry. Nuclear matter is constructed by a parity doublet model with hidden local symmetry which can reproduce properties at normal nuclear matter density as well as those in the vacuum. $\\bar{D}$ mesons are introduced by the chiral partner structure. Our results show that a mass of $\\bar{D}$ ($0^-$) meson increases while a mass of $\\bar{D}_0^*$ meson decreases at mean field level as we increase the baryon density, reflec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.01709","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":""},"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":"2026-05-18T00:16:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kyhZCBMvU64PxswRmliYYZK8MtOTdCnqVvm56CUhWb+/C/hV5aH2Gp8QhLGR6JfEeSFJaJAStGncQRrlnkrcDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T12:41:12.873693Z"},"content_sha256":"6460a13d2f3540d17c92b3b6d0ff01122fc5b179ff0327214b095f38f2234893","schema_version":"1.0","event_id":"sha256:6460a13d2f3540d17c92b3b6d0ff01122fc5b179ff0327214b095f38f2234893"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KER7BJSGMVB3QS5BBJZWZVAFL2/bundle.json","state_url":"https://pith.science/pith/KER7BJSGMVB3QS5BBJZWZVAFL2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KER7BJSGMVB3QS5BBJZWZVAFL2/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":"2026-05-25T12:41:12Z","links":{"resolver":"https://pith.science/pith/KER7BJSGMVB3QS5BBJZWZVAFL2","bundle":"https://pith.science/pith/KER7BJSGMVB3QS5BBJZWZVAFL2/bundle.json","state":"https://pith.science/pith/KER7BJSGMVB3QS5BBJZWZVAFL2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KER7BJSGMVB3QS5BBJZWZVAFL2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:KER7BJSGMVB3QS5BBJZWZVAFL2","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":"c0143405116fb97d3d396372c6f3c064f6429c8e14b9b6068d1703b7289f9e42","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-05-04T11:00:15Z","title_canon_sha256":"718e0e134c1ec9f908a95190137c6223f098153d0f3cce948c73ccc0b262412d"},"schema_version":"1.0","source":{"id":"1805.01709","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.01709","created_at":"2026-05-18T00:16:46Z"},{"alias_kind":"arxiv_version","alias_value":"1805.01709v1","created_at":"2026-05-18T00:16:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.01709","created_at":"2026-05-18T00:16:46Z"},{"alias_kind":"pith_short_12","alias_value":"KER7BJSGMVB3","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KER7BJSGMVB3QS5B","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KER7BJSG","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:6460a13d2f3540d17c92b3b6d0ff01122fc5b179ff0327214b095f38f2234893","target":"graph","created_at":"2026-05-18T00:16:46Z","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":"We study a spectral function for $\\bar{D}_0^*$ $(0^+)$ meson in symmetric and neutron-rich asymmetric nuclear matter from the viewpoint of the partial restoration of chiral symmetry. Nuclear matter is constructed by a parity doublet model with hidden local symmetry which can reproduce properties at normal nuclear matter density as well as those in the vacuum. $\\bar{D}$ mesons are introduced by the chiral partner structure. Our results show that a mass of $\\bar{D}$ ($0^-$) meson increases while a mass of $\\bar{D}_0^*$ meson decreases at mean field level as we increase the baryon density, reflec","authors_text":"Daiki Suenaga","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-05-04T11:00:15Z","title":"Spectral function for $\\bar{D}_{0}^{\\ast}$ $(0^+)$ meson in isospin asymmetric nuclear matter with chiral partner structure"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.01709","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":"sha256:6995c75378e527e0c867c298945575c93df0c689bbb62dc955cee4c515409ccc","target":"record","created_at":"2026-05-18T00:16:46Z","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":"c0143405116fb97d3d396372c6f3c064f6429c8e14b9b6068d1703b7289f9e42","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2018-05-04T11:00:15Z","title_canon_sha256":"718e0e134c1ec9f908a95190137c6223f098153d0f3cce948c73ccc0b262412d"},"schema_version":"1.0","source":{"id":"1805.01709","kind":"arxiv","version":1}},"canonical_sha256":"5123f0a6466543b84ba10a736cd4055e924fa5f305a8c164a0bb366ea4ed2ea0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5123f0a6466543b84ba10a736cd4055e924fa5f305a8c164a0bb366ea4ed2ea0","first_computed_at":"2026-05-18T00:16:46.972490Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:16:46.972490Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kgBeYBfGnUT4kLvngXwcXne5X4ENxBRpIeL82r4tQ2cTqWnBEci+SZwT+ANhEqBT/o1d3Kgjpx4X7jQEJYeECw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:16:46.972984Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.01709","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6995c75378e527e0c867c298945575c93df0c689bbb62dc955cee4c515409ccc","sha256:6460a13d2f3540d17c92b3b6d0ff01122fc5b179ff0327214b095f38f2234893"],"state_sha256":"ea6bcbbd3b5ba4ec53b89831c9a32de76783ea9d6518e299b9c14c90c5d55ae2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eeS/JMiHa3ZdW1Ng3c6aex+eb6tJaH6J3O9yej9deeXMxShxQHie9/rBcdvXiZ4xiTHU8dbukOLnuBwPgxO6Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T12:41:12.877136Z","bundle_sha256":"54c25b1f81071c385ce945ab395513c06360b9a35b57445df04a2c1cdd65b591"}}