{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:T4ET4OY4OBKSXKG5QN6DRT7UZU","short_pith_number":"pith:T4ET4OY4","canonical_record":{"source":{"id":"2607.23253","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2026-07-25T15:28:48Z","cross_cats_sorted":[],"title_canon_sha256":"52c2eb3cf5cfee8858159ac6f463be21edc32ef64fdbc9ad763589bef3f45d08","abstract_canon_sha256":"09e1c487cdca12410f38bb3c045e84de673886c1ae2d9ac64ee8a978d9b29f88"},"schema_version":"1.0"},"canonical_sha256":"9f093e3b1c70552ba8dd837c38cff4cd03914ca62513e68ae87ad228519fcca8","source":{"kind":"arxiv","id":"2607.23253","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.23253","created_at":"2026-07-28T01:22:44Z"},{"alias_kind":"arxiv_version","alias_value":"2607.23253v1","created_at":"2026-07-28T01:22:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.23253","created_at":"2026-07-28T01:22:44Z"},{"alias_kind":"pith_short_12","alias_value":"T4ET4OY4OBKS","created_at":"2026-07-28T01:22:44Z"},{"alias_kind":"pith_short_16","alias_value":"T4ET4OY4OBKSXKG5","created_at":"2026-07-28T01:22:44Z"},{"alias_kind":"pith_short_8","alias_value":"T4ET4OY4","created_at":"2026-07-28T01:22:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:T4ET4OY4OBKSXKG5QN6DRT7UZU","target":"record","payload":{"canonical_record":{"source":{"id":"2607.23253","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2026-07-25T15:28:48Z","cross_cats_sorted":[],"title_canon_sha256":"52c2eb3cf5cfee8858159ac6f463be21edc32ef64fdbc9ad763589bef3f45d08","abstract_canon_sha256":"09e1c487cdca12410f38bb3c045e84de673886c1ae2d9ac64ee8a978d9b29f88"},"schema_version":"1.0"},"canonical_sha256":"9f093e3b1c70552ba8dd837c38cff4cd03914ca62513e68ae87ad228519fcca8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-28T01:22:44.154518Z","signature_b64":"+lFjLzQZsxKewUWwZZufRBpCXDO/40p+C9yXyczF6m/BInR6xyTcDuGkcNbq3JaQoJymIrdGg/Yp8ofXmmfTDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f093e3b1c70552ba8dd837c38cff4cd03914ca62513e68ae87ad228519fcca8","last_reissued_at":"2026-07-28T01:22:44.153485Z","signature_status":"signed_v1","first_computed_at":"2026-07-28T01:22:44.153485Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.23253","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":"2026-07-28T01:22:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Eis5/h/je9wj8KeGDSM0lkdnLbhe3Erb7lOgBcoQbN9s0Yw6f5aXGlhRWaTS9Fe0xezTA88TTCBSg5dpxjRUDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:59:24.353738Z"},"content_sha256":"1c09046ace4b0b6a19cda1735987ec0f34bc8fe563157e73400f5cab97f70c39","schema_version":"1.0","event_id":"sha256:1c09046ace4b0b6a19cda1735987ec0f34bc8fe563157e73400f5cab97f70c39"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:T4ET4OY4OBKSXKG5QN6DRT7UZU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the Nucleon Effective Mass in Neutron Stars Cooling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Akira Dohi, Yuuki Sugiyama","submitted_at":"2026-07-25T15:28:48Z","abstract_excerpt":"The cooling of neutrons stars, which are composed of ultra-high-density nuclear matter, strongly depends on the equation of state because the dominant cooling sources are neutrinos produced in their interiors. Here, we investigate the cooling properties of neutron stars, focusing on effective nucleon masses, whose impacts have been recently examined in supernova explosion and proto-neutron star cooling. The uncertainties of effective masses originate from the difference in the attractive interaction of scalar meson and the definition of the Dirac and Landau masses. At first, we employ so-calle"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.23253","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/2607.23253/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":"2026-07-28T01:22:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9YToJy93cfrKW2fr5Urxru8URkTPN1ql8c4yXnPIOuPzo6mDQ4eKUjhJPVyqm0ee4mVObqiJHlwZIYR/5tcaDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T17:59:24.354642Z"},"content_sha256":"52c0566dee16f6236278463adf31dd6cbb2c63e07f6f2a6ea8aa0f3337b0ad06","schema_version":"1.0","event_id":"sha256:52c0566dee16f6236278463adf31dd6cbb2c63e07f6f2a6ea8aa0f3337b0ad06"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T4ET4OY4OBKSXKG5QN6DRT7UZU/bundle.json","state_url":"https://pith.science/pith/T4ET4OY4OBKSXKG5QN6DRT7UZU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T4ET4OY4OBKSXKG5QN6DRT7UZU/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":"2026-08-03T17:59:24Z","links":{"resolver":"https://pith.science/pith/T4ET4OY4OBKSXKG5QN6DRT7UZU","bundle":"https://pith.science/pith/T4ET4OY4OBKSXKG5QN6DRT7UZU/bundle.json","state":"https://pith.science/pith/T4ET4OY4OBKSXKG5QN6DRT7UZU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T4ET4OY4OBKSXKG5QN6DRT7UZU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:T4ET4OY4OBKSXKG5QN6DRT7UZU","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":"09e1c487cdca12410f38bb3c045e84de673886c1ae2d9ac64ee8a978d9b29f88","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2026-07-25T15:28:48Z","title_canon_sha256":"52c2eb3cf5cfee8858159ac6f463be21edc32ef64fdbc9ad763589bef3f45d08"},"schema_version":"1.0","source":{"id":"2607.23253","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.23253","created_at":"2026-07-28T01:22:44Z"},{"alias_kind":"arxiv_version","alias_value":"2607.23253v1","created_at":"2026-07-28T01:22:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.23253","created_at":"2026-07-28T01:22:44Z"},{"alias_kind":"pith_short_12","alias_value":"T4ET4OY4OBKS","created_at":"2026-07-28T01:22:44Z"},{"alias_kind":"pith_short_16","alias_value":"T4ET4OY4OBKSXKG5","created_at":"2026-07-28T01:22:44Z"},{"alias_kind":"pith_short_8","alias_value":"T4ET4OY4","created_at":"2026-07-28T01:22:44Z"}],"graph_snapshots":[{"event_id":"sha256:52c0566dee16f6236278463adf31dd6cbb2c63e07f6f2a6ea8aa0f3337b0ad06","target":"graph","created_at":"2026-07-28T01:22:44Z","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/2607.23253/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The cooling of neutrons stars, which are composed of ultra-high-density nuclear matter, strongly depends on the equation of state because the dominant cooling sources are neutrinos produced in their interiors. Here, we investigate the cooling properties of neutron stars, focusing on effective nucleon masses, whose impacts have been recently examined in supernova explosion and proto-neutron star cooling. The uncertainties of effective masses originate from the difference in the attractive interaction of scalar meson and the definition of the Dirac and Landau masses. At first, we employ so-calle","authors_text":"Akira Dohi, Yuuki Sugiyama","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2026-07-25T15:28:48Z","title":"On the Nucleon Effective Mass in Neutron Stars Cooling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.23253","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":"sha256:1c09046ace4b0b6a19cda1735987ec0f34bc8fe563157e73400f5cab97f70c39","target":"record","created_at":"2026-07-28T01:22:44Z","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":"09e1c487cdca12410f38bb3c045e84de673886c1ae2d9ac64ee8a978d9b29f88","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2026-07-25T15:28:48Z","title_canon_sha256":"52c2eb3cf5cfee8858159ac6f463be21edc32ef64fdbc9ad763589bef3f45d08"},"schema_version":"1.0","source":{"id":"2607.23253","kind":"arxiv","version":1}},"canonical_sha256":"9f093e3b1c70552ba8dd837c38cff4cd03914ca62513e68ae87ad228519fcca8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f093e3b1c70552ba8dd837c38cff4cd03914ca62513e68ae87ad228519fcca8","first_computed_at":"2026-07-28T01:22:44.153485Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-28T01:22:44.153485Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+lFjLzQZsxKewUWwZZufRBpCXDO/40p+C9yXyczF6m/BInR6xyTcDuGkcNbq3JaQoJymIrdGg/Yp8ofXmmfTDQ==","signature_status":"signed_v1","signed_at":"2026-07-28T01:22:44.154518Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.23253","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1c09046ace4b0b6a19cda1735987ec0f34bc8fe563157e73400f5cab97f70c39","sha256:52c0566dee16f6236278463adf31dd6cbb2c63e07f6f2a6ea8aa0f3337b0ad06"],"state_sha256":"6a90291eb0df9a9347079c432feac91657f3efed978eb6fbc3da70b1f204e020"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HrrMOroDCpj1HirmazPqoDEk2OrMbJwaidEhSvcIUGQ5YvqOGftI7d1SOn5SmPgHcTFkQ3L3GroF+QQ7Zv+aAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T17:59:24.359742Z","bundle_sha256":"dfafd4393c997724eac488a24aa5fb15d69fc62825cdb318c0fdf96f1c5f4113"}}