{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:7NCGSI5U37YJCRSMD2PYS5BNNP","short_pith_number":"pith:7NCGSI5U","canonical_record":{"source":{"id":"astro-ph/0412559","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-12-21T12:41:38Z","cross_cats_sorted":[],"title_canon_sha256":"493382a10d14a4b6eacfcecc011f33aec6ea0c9572680efbe3ee45f4168f6253","abstract_canon_sha256":"febf392aa329177fab01d64a08cd4f4f31bfdffbb7ceeeff4bba655ca0887e27"},"schema_version":"1.0"},"canonical_sha256":"fb446923b4dff091464c1e9f89742d6bd76462a8d9564ace3e5dfb4bd74b154d","source":{"kind":"arxiv","id":"astro-ph/0412559","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0412559","created_at":"2026-07-04T14:13:59Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0412559v1","created_at":"2026-07-04T14:13:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0412559","created_at":"2026-07-04T14:13:59Z"},{"alias_kind":"pith_short_12","alias_value":"7NCGSI5U37YJ","created_at":"2026-07-04T14:13:59Z"},{"alias_kind":"pith_short_16","alias_value":"7NCGSI5U37YJCRSM","created_at":"2026-07-04T14:13:59Z"},{"alias_kind":"pith_short_8","alias_value":"7NCGSI5U","created_at":"2026-07-04T14:13:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:7NCGSI5U37YJCRSMD2PYS5BNNP","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0412559","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-12-21T12:41:38Z","cross_cats_sorted":[],"title_canon_sha256":"493382a10d14a4b6eacfcecc011f33aec6ea0c9572680efbe3ee45f4168f6253","abstract_canon_sha256":"febf392aa329177fab01d64a08cd4f4f31bfdffbb7ceeeff4bba655ca0887e27"},"schema_version":"1.0"},"canonical_sha256":"fb446923b4dff091464c1e9f89742d6bd76462a8d9564ace3e5dfb4bd74b154d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:13:59.552049Z","signature_b64":"F64wbmsJbWc5F958692SHFmyXa1BHrJt6/lHEwO49Xuj3nYqhEGObzIHn34NqzyfWxnqVkW0QBoa3Yo4bzVADA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fb446923b4dff091464c1e9f89742d6bd76462a8d9564ace3e5dfb4bd74b154d","last_reissued_at":"2026-07-04T14:13:59.551668Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:13:59.551668Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0412559","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":"2026-07-04T14:13:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FxTzadKjfOFfmPUbuBHJiPShB1zSGvaq3MI2pit9wgQXDoPNwFM8yQSQQ1ayLqg0Jj3sk0BwiL4wVagZ8WISDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T07:15:05.694100Z"},"content_sha256":"52d96a95bbb01379a854a8c5525f2367472aba16515fbede335eeab5f60effe0","schema_version":"1.0","event_id":"sha256:52d96a95bbb01379a854a8c5525f2367472aba16515fbede335eeab5f60effe0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:7NCGSI5U37YJCRSMD2PYS5BNNP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Density Diagnostics of the Hot Plasma in AE Aquarii with XMM-Newton","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Hideyo Kunieda, Kei Itoh, Manabu Ishida","submitted_at":"2004-12-21T12:41:38Z","abstract_excerpt":"High resolution spectroscopy of AE Aquarii with the XMM-Newton RGS has enabled us to measure the electron number density of the X-ray-emitting hot plasma to be ~1E11/cm**-3 by means of intensity ratios of the He-like triplet of Nitrogen and Oxygen. Incorporating with the emission measure evaluated by the EPIC cameras, we have also found a linear scale of the plasma to be ~5E10 cm. Both these values, obtained model-independently, are incompatible with a standard post-shock accretion column of a magnetized white dwarf, but are naturally interpreted as the plasma being formed through interaction "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0412559","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/astro-ph/0412559/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":"2026-07-04T14:13:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LQX5pK/cAIjQMe6p+uegyeDogDM5rsIs7706219iVWjReieEaRsISgEXd/NqlCQrO7V3gbwhR7Wmwp/ak5ubCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T07:15:05.694594Z"},"content_sha256":"bcc5c21b2ac68eb5843480510289c9fdc91f0cca4b02fc5ea49af6331b65826e","schema_version":"1.0","event_id":"sha256:bcc5c21b2ac68eb5843480510289c9fdc91f0cca4b02fc5ea49af6331b65826e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7NCGSI5U37YJCRSMD2PYS5BNNP/bundle.json","state_url":"https://pith.science/pith/7NCGSI5U37YJCRSMD2PYS5BNNP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7NCGSI5U37YJCRSMD2PYS5BNNP/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":"2026-08-04T07:15:05Z","links":{"resolver":"https://pith.science/pith/7NCGSI5U37YJCRSMD2PYS5BNNP","bundle":"https://pith.science/pith/7NCGSI5U37YJCRSMD2PYS5BNNP/bundle.json","state":"https://pith.science/pith/7NCGSI5U37YJCRSMD2PYS5BNNP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7NCGSI5U37YJCRSMD2PYS5BNNP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:7NCGSI5U37YJCRSMD2PYS5BNNP","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":"febf392aa329177fab01d64a08cd4f4f31bfdffbb7ceeeff4bba655ca0887e27","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-12-21T12:41:38Z","title_canon_sha256":"493382a10d14a4b6eacfcecc011f33aec6ea0c9572680efbe3ee45f4168f6253"},"schema_version":"1.0","source":{"id":"astro-ph/0412559","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0412559","created_at":"2026-07-04T14:13:59Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0412559v1","created_at":"2026-07-04T14:13:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0412559","created_at":"2026-07-04T14:13:59Z"},{"alias_kind":"pith_short_12","alias_value":"7NCGSI5U37YJ","created_at":"2026-07-04T14:13:59Z"},{"alias_kind":"pith_short_16","alias_value":"7NCGSI5U37YJCRSM","created_at":"2026-07-04T14:13:59Z"},{"alias_kind":"pith_short_8","alias_value":"7NCGSI5U","created_at":"2026-07-04T14:13:59Z"}],"graph_snapshots":[{"event_id":"sha256:bcc5c21b2ac68eb5843480510289c9fdc91f0cca4b02fc5ea49af6331b65826e","target":"graph","created_at":"2026-07-04T14:13:59Z","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/astro-ph/0412559/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"High resolution spectroscopy of AE Aquarii with the XMM-Newton RGS has enabled us to measure the electron number density of the X-ray-emitting hot plasma to be ~1E11/cm**-3 by means of intensity ratios of the He-like triplet of Nitrogen and Oxygen. Incorporating with the emission measure evaluated by the EPIC cameras, we have also found a linear scale of the plasma to be ~5E10 cm. Both these values, obtained model-independently, are incompatible with a standard post-shock accretion column of a magnetized white dwarf, but are naturally interpreted as the plasma being formed through interaction ","authors_text":"Hideyo Kunieda, Kei Itoh, Manabu Ishida","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-12-21T12:41:38Z","title":"Density Diagnostics of the Hot Plasma in AE Aquarii with XMM-Newton"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0412559","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":"sha256:52d96a95bbb01379a854a8c5525f2367472aba16515fbede335eeab5f60effe0","target":"record","created_at":"2026-07-04T14:13:59Z","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":"febf392aa329177fab01d64a08cd4f4f31bfdffbb7ceeeff4bba655ca0887e27","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-12-21T12:41:38Z","title_canon_sha256":"493382a10d14a4b6eacfcecc011f33aec6ea0c9572680efbe3ee45f4168f6253"},"schema_version":"1.0","source":{"id":"astro-ph/0412559","kind":"arxiv","version":1}},"canonical_sha256":"fb446923b4dff091464c1e9f89742d6bd76462a8d9564ace3e5dfb4bd74b154d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fb446923b4dff091464c1e9f89742d6bd76462a8d9564ace3e5dfb4bd74b154d","first_computed_at":"2026-07-04T14:13:59.551668Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:13:59.551668Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"F64wbmsJbWc5F958692SHFmyXa1BHrJt6/lHEwO49Xuj3nYqhEGObzIHn34NqzyfWxnqVkW0QBoa3Yo4bzVADA==","signature_status":"signed_v1","signed_at":"2026-07-04T14:13:59.552049Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0412559","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:52d96a95bbb01379a854a8c5525f2367472aba16515fbede335eeab5f60effe0","sha256:bcc5c21b2ac68eb5843480510289c9fdc91f0cca4b02fc5ea49af6331b65826e"],"state_sha256":"d7421cf297a1c72a0803b7fdf7841c6344f1bf4e24e849f89f407d13d55ff982"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nWv1+Qx5ZgbJyYNIZsZATMvPkCqhhhL/y+bFxKX2OX8Nxp7J3UJN+5Xr+IUavUnm3axGqq+Dzx4movcSpVo/CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T07:15:05.697919Z","bundle_sha256":"9d88b0c31e2b713173d65fe789788388f1e0a87f211e348dd30d5c3e30133e88"}}