{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:YZSVROIOYW4QEFA2PNOL36FSOC","short_pith_number":"pith:YZSVROIO","canonical_record":{"source":{"id":"2502.10021","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-02-14T09:05:24Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"c914b520701371378900f6e3aa1d6b39a460d66d9870bece1104af939c4a2973","abstract_canon_sha256":"c943d4c2f5ebaf83c7ce35bc5e84004e527cbac7a196c766bcfb2164df0ade9b"},"schema_version":"1.0"},"canonical_sha256":"c66558b90ec5b902141a7b5cbdf8b27080d6ef27b5774c8d694f3199551dd2a2","source":{"kind":"arxiv","id":"2502.10021","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.10021","created_at":"2026-07-05T10:14:16Z"},{"alias_kind":"arxiv_version","alias_value":"2502.10021v1","created_at":"2026-07-05T10:14:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.10021","created_at":"2026-07-05T10:14:16Z"},{"alias_kind":"pith_short_12","alias_value":"YZSVROIOYW4Q","created_at":"2026-07-05T10:14:16Z"},{"alias_kind":"pith_short_16","alias_value":"YZSVROIOYW4QEFA2","created_at":"2026-07-05T10:14:16Z"},{"alias_kind":"pith_short_8","alias_value":"YZSVROIO","created_at":"2026-07-05T10:14:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:YZSVROIOYW4QEFA2PNOL36FSOC","target":"record","payload":{"canonical_record":{"source":{"id":"2502.10021","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-02-14T09:05:24Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"c914b520701371378900f6e3aa1d6b39a460d66d9870bece1104af939c4a2973","abstract_canon_sha256":"c943d4c2f5ebaf83c7ce35bc5e84004e527cbac7a196c766bcfb2164df0ade9b"},"schema_version":"1.0"},"canonical_sha256":"c66558b90ec5b902141a7b5cbdf8b27080d6ef27b5774c8d694f3199551dd2a2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:14:16.191754Z","signature_b64":"irdEK8luszSedhjvC1LHLdg1XPFgb0LC1+/+U4bIOC+H5m2PLrCsEAEvMNNgtWMsbHlHwfqBO0dFl94UHpHRDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c66558b90ec5b902141a7b5cbdf8b27080d6ef27b5774c8d694f3199551dd2a2","last_reissued_at":"2026-07-05T10:14:16.191263Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:14:16.191263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.10021","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":"2026-07-05T10:14:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9nU2IVfbehyFKLse3B/Ir/yN+wnNG0lwhIocma1Z23H5//YZpIgJV5RmobNmlWn22dE19t0J6Ay5yo31ZL4rAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T18:45:37.957581Z"},"content_sha256":"32874b0a27c510477042365be9116777a267e59116d0fea00ad2ad0bcb6a070b","schema_version":"1.0","event_id":"sha256:32874b0a27c510477042365be9116777a267e59116d0fea00ad2ad0bcb6a070b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:YZSVROIOYW4QEFA2PNOL36FSOC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Linking Analytic Light Curve Models to Physical Properties of Kilonovae","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"Ayari Kitamura, Kyohei Kawaguchi, Masaomi Tanaka, Sho Fujibayashi","submitted_at":"2025-02-14T09:05:24Z","abstract_excerpt":"In binary neutron star mergers, lanthanide-rich dynamical ejecta and lanthanide-poor post-merger ejecta have been often linked to the red and blue kilonova emission, respectively. However, analytic light curve modeling of kilonova often results in the ejecta parameters that are at odds with such expectations. To investigate the physical meaning of the derived parameters, we perform analytic modeling of the kilonova light curves calculated with realistic multi-dimensional radiative transfer based on the numerical relativity simulations. Our fiducial simulations adopt a faster-moving, less massi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.10021","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/2502.10021/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":"2026-07-05T10:14:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uKKYideKwtEt+tUejac7y4Cb/6vLPqYaEk3UxT/FpzI8oMJYb+znIKz1OS0dgLJAdRhI3+USyuw/Mjc379DoAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-12T18:45:37.958430Z"},"content_sha256":"76aed901642f158123b102faf5aa2abb4a6d9da66e21f177281d981c78031227","schema_version":"1.0","event_id":"sha256:76aed901642f158123b102faf5aa2abb4a6d9da66e21f177281d981c78031227"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YZSVROIOYW4QEFA2PNOL36FSOC/bundle.json","state_url":"https://pith.science/pith/YZSVROIOYW4QEFA2PNOL36FSOC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YZSVROIOYW4QEFA2PNOL36FSOC/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":"2026-08-12T18:45:37Z","links":{"resolver":"https://pith.science/pith/YZSVROIOYW4QEFA2PNOL36FSOC","bundle":"https://pith.science/pith/YZSVROIOYW4QEFA2PNOL36FSOC/bundle.json","state":"https://pith.science/pith/YZSVROIOYW4QEFA2PNOL36FSOC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YZSVROIOYW4QEFA2PNOL36FSOC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:YZSVROIOYW4QEFA2PNOL36FSOC","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":"c943d4c2f5ebaf83c7ce35bc5e84004e527cbac7a196c766bcfb2164df0ade9b","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-02-14T09:05:24Z","title_canon_sha256":"c914b520701371378900f6e3aa1d6b39a460d66d9870bece1104af939c4a2973"},"schema_version":"1.0","source":{"id":"2502.10021","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.10021","created_at":"2026-07-05T10:14:16Z"},{"alias_kind":"arxiv_version","alias_value":"2502.10021v1","created_at":"2026-07-05T10:14:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.10021","created_at":"2026-07-05T10:14:16Z"},{"alias_kind":"pith_short_12","alias_value":"YZSVROIOYW4Q","created_at":"2026-07-05T10:14:16Z"},{"alias_kind":"pith_short_16","alias_value":"YZSVROIOYW4QEFA2","created_at":"2026-07-05T10:14:16Z"},{"alias_kind":"pith_short_8","alias_value":"YZSVROIO","created_at":"2026-07-05T10:14:16Z"}],"graph_snapshots":[{"event_id":"sha256:76aed901642f158123b102faf5aa2abb4a6d9da66e21f177281d981c78031227","target":"graph","created_at":"2026-07-05T10:14:16Z","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/2502.10021/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In binary neutron star mergers, lanthanide-rich dynamical ejecta and lanthanide-poor post-merger ejecta have been often linked to the red and blue kilonova emission, respectively. However, analytic light curve modeling of kilonova often results in the ejecta parameters that are at odds with such expectations. To investigate the physical meaning of the derived parameters, we perform analytic modeling of the kilonova light curves calculated with realistic multi-dimensional radiative transfer based on the numerical relativity simulations. Our fiducial simulations adopt a faster-moving, less massi","authors_text":"Ayari Kitamura, Kyohei Kawaguchi, Masaomi Tanaka, Sho Fujibayashi","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-02-14T09:05:24Z","title":"Linking Analytic Light Curve Models to Physical Properties of Kilonovae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.10021","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":"sha256:32874b0a27c510477042365be9116777a267e59116d0fea00ad2ad0bcb6a070b","target":"record","created_at":"2026-07-05T10:14:16Z","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":"c943d4c2f5ebaf83c7ce35bc5e84004e527cbac7a196c766bcfb2164df0ade9b","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-02-14T09:05:24Z","title_canon_sha256":"c914b520701371378900f6e3aa1d6b39a460d66d9870bece1104af939c4a2973"},"schema_version":"1.0","source":{"id":"2502.10021","kind":"arxiv","version":1}},"canonical_sha256":"c66558b90ec5b902141a7b5cbdf8b27080d6ef27b5774c8d694f3199551dd2a2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c66558b90ec5b902141a7b5cbdf8b27080d6ef27b5774c8d694f3199551dd2a2","first_computed_at":"2026-07-05T10:14:16.191263Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:14:16.191263Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"irdEK8luszSedhjvC1LHLdg1XPFgb0LC1+/+U4bIOC+H5m2PLrCsEAEvMNNgtWMsbHlHwfqBO0dFl94UHpHRDw==","signature_status":"signed_v1","signed_at":"2026-07-05T10:14:16.191754Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.10021","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:32874b0a27c510477042365be9116777a267e59116d0fea00ad2ad0bcb6a070b","sha256:76aed901642f158123b102faf5aa2abb4a6d9da66e21f177281d981c78031227"],"state_sha256":"7c74699358bcfe9584f2c5a0dd8b8f8856c89738a7e58457590e8ddf3a3dd224"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7FWnZz5wotU+VR5OQ5oJkV3eGGn02fjnDmbSb7eg9pXAhh8x3iXFB8PNagmmxyNpqKO0sXQwLDPhdaxgwut6Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-12T18:45:38.019104Z","bundle_sha256":"1604d9406e6e62cd6641a1bef87ce6bfdbb0ada450c7702b45e814256e5db92d"}}