{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:WPTHFSLIJJELLWLECASJL2RWU6","short_pith_number":"pith:WPTHFSLI","canonical_record":{"source":{"id":"0912.1136","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-12-06T21:03:31Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"2b558af28d6e8ea35ec8f8f4a608cff863cdc93cc6a705b521257001bd3d13f4","abstract_canon_sha256":"e572844bf24cfcf803546e12f3f5b7e5f4c329ca7b14c36c7842839a0c06eaed"},"schema_version":"1.0"},"canonical_sha256":"b3e672c9684a48b5d964102495ea36a79ad03f9a9715a1c994da6fd9d798a3db","source":{"kind":"arxiv","id":"0912.1136","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.1136","created_at":"2026-05-18T02:33:57Z"},{"alias_kind":"arxiv_version","alias_value":"0912.1136v1","created_at":"2026-05-18T02:33:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.1136","created_at":"2026-05-18T02:33:57Z"},{"alias_kind":"pith_short_12","alias_value":"WPTHFSLIJJEL","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"WPTHFSLIJJELLWLE","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"WPTHFSLI","created_at":"2026-05-18T12:26:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:WPTHFSLIJJELLWLECASJL2RWU6","target":"record","payload":{"canonical_record":{"source":{"id":"0912.1136","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-12-06T21:03:31Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"2b558af28d6e8ea35ec8f8f4a608cff863cdc93cc6a705b521257001bd3d13f4","abstract_canon_sha256":"e572844bf24cfcf803546e12f3f5b7e5f4c329ca7b14c36c7842839a0c06eaed"},"schema_version":"1.0"},"canonical_sha256":"b3e672c9684a48b5d964102495ea36a79ad03f9a9715a1c994da6fd9d798a3db","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:33:57.406204Z","signature_b64":"z9GiuPRX3lbwLYPqf/MytWK1coR8HZ0mCkIU8Kpowr/Auuw0vQDRTohTsNx9ISFqg8v+736mxTX4e0Yqu4B0Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b3e672c9684a48b5d964102495ea36a79ad03f9a9715a1c994da6fd9d798a3db","last_reissued_at":"2026-05-18T02:33:57.405725Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:33:57.405725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0912.1136","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":"2026-05-18T02:33:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CcfLGTfazvzYzdpc+hBioZYV9YwbB+pukOt80iBLrWUpyVfOFPMrHXTRkvfeGx2dWiIForJ84Xm9y7OoRVTDBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:15:34.101463Z"},"content_sha256":"dac455362f11da6faa7221b717ad76159132aa7347e7d0f0ffdf55ba49298d93","schema_version":"1.0","event_id":"sha256:dac455362f11da6faa7221b717ad76159132aa7347e7d0f0ffdf55ba49298d93"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:WPTHFSLIJJELLWLECASJL2RWU6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Prediction Formula of Supersoft X-ray Phase of Classical Novae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Izumi Hachisu (Univ. of Tokyo), Mariko Kato (Keio Univ.)","submitted_at":"2009-12-06T21:03:31Z","abstract_excerpt":"On the basis of the recently developed universal decline law of classical novae, we propose prediction formulae for supersoft X-ray on and off times, i.e., t_{X-on} = (10 \\pm 1.8) t_3 days and t_{X-off} = (5.3 \\pm 1.4) (t_3)^{1.5} days for 8 < t_3 < 80 days. We have determined the absolute magnitude of our free-free emission model light curves and derived maximum magnitude vs. rate of decline (MMRD) relations. Our theoretical MMRD relations are governed by two parameters, one is the white dwarf (WD) mass and the other is the initial envelope mass at a nova outburst; this second parameter expla"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.1136","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":"2026-05-18T02:33:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vPVYUkYfSmzbHMExlNBw+Om1v1jU2Nw92BdGo46JTkkJmeZfKr4cavJPO2jJR+2fewmtIgZwreyxUsn4bCTiCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:15:34.102129Z"},"content_sha256":"68f802b034cb2dec43d8c19736348085075f6a73fc7d2dcf5519aef811953641","schema_version":"1.0","event_id":"sha256:68f802b034cb2dec43d8c19736348085075f6a73fc7d2dcf5519aef811953641"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WPTHFSLIJJELLWLECASJL2RWU6/bundle.json","state_url":"https://pith.science/pith/WPTHFSLIJJELLWLECASJL2RWU6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WPTHFSLIJJELLWLECASJL2RWU6/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":"2026-05-27T03:15:34Z","links":{"resolver":"https://pith.science/pith/WPTHFSLIJJELLWLECASJL2RWU6","bundle":"https://pith.science/pith/WPTHFSLIJJELLWLECASJL2RWU6/bundle.json","state":"https://pith.science/pith/WPTHFSLIJJELLWLECASJL2RWU6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WPTHFSLIJJELLWLECASJL2RWU6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:WPTHFSLIJJELLWLECASJL2RWU6","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":"e572844bf24cfcf803546e12f3f5b7e5f4c329ca7b14c36c7842839a0c06eaed","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-12-06T21:03:31Z","title_canon_sha256":"2b558af28d6e8ea35ec8f8f4a608cff863cdc93cc6a705b521257001bd3d13f4"},"schema_version":"1.0","source":{"id":"0912.1136","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0912.1136","created_at":"2026-05-18T02:33:57Z"},{"alias_kind":"arxiv_version","alias_value":"0912.1136v1","created_at":"2026-05-18T02:33:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0912.1136","created_at":"2026-05-18T02:33:57Z"},{"alias_kind":"pith_short_12","alias_value":"WPTHFSLIJJEL","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"WPTHFSLIJJELLWLE","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"WPTHFSLI","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:68f802b034cb2dec43d8c19736348085075f6a73fc7d2dcf5519aef811953641","target":"graph","created_at":"2026-05-18T02:33:57Z","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":"On the basis of the recently developed universal decline law of classical novae, we propose prediction formulae for supersoft X-ray on and off times, i.e., t_{X-on} = (10 \\pm 1.8) t_3 days and t_{X-off} = (5.3 \\pm 1.4) (t_3)^{1.5} days for 8 < t_3 < 80 days. We have determined the absolute magnitude of our free-free emission model light curves and derived maximum magnitude vs. rate of decline (MMRD) relations. Our theoretical MMRD relations are governed by two parameters, one is the white dwarf (WD) mass and the other is the initial envelope mass at a nova outburst; this second parameter expla","authors_text":"Izumi Hachisu (Univ. of Tokyo), Mariko Kato (Keio Univ.)","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-12-06T21:03:31Z","title":"A Prediction Formula of Supersoft X-ray Phase of Classical Novae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0912.1136","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:dac455362f11da6faa7221b717ad76159132aa7347e7d0f0ffdf55ba49298d93","target":"record","created_at":"2026-05-18T02:33:57Z","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":"e572844bf24cfcf803546e12f3f5b7e5f4c329ca7b14c36c7842839a0c06eaed","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2009-12-06T21:03:31Z","title_canon_sha256":"2b558af28d6e8ea35ec8f8f4a608cff863cdc93cc6a705b521257001bd3d13f4"},"schema_version":"1.0","source":{"id":"0912.1136","kind":"arxiv","version":1}},"canonical_sha256":"b3e672c9684a48b5d964102495ea36a79ad03f9a9715a1c994da6fd9d798a3db","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b3e672c9684a48b5d964102495ea36a79ad03f9a9715a1c994da6fd9d798a3db","first_computed_at":"2026-05-18T02:33:57.405725Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:33:57.405725Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z9GiuPRX3lbwLYPqf/MytWK1coR8HZ0mCkIU8Kpowr/Auuw0vQDRTohTsNx9ISFqg8v+736mxTX4e0Yqu4B0Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:33:57.406204Z","signed_message":"canonical_sha256_bytes"},"source_id":"0912.1136","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dac455362f11da6faa7221b717ad76159132aa7347e7d0f0ffdf55ba49298d93","sha256:68f802b034cb2dec43d8c19736348085075f6a73fc7d2dcf5519aef811953641"],"state_sha256":"38e226426f3fa92f71d065240bcad3bc74b3822898742a289b9193c4a471c212"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AjfTv6c+bp12/pMIQtB1xDtAtaQ9JTkQ1tekqUuy7U5fiqHUlNCvRy8iFUumywlJrnpxmir8/WkJmrUQKlt+BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T03:15:34.106219Z","bundle_sha256":"aa415d08b9b8cfabba041395a63dcf42d50decd20ed264a187a496767108ab5e"}}