{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:D62DGCWY24OA6NCUECZNLOTUSU","short_pith_number":"pith:D62DGCWY","canonical_record":{"source":{"id":"astro-ph/0504548","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-04-25T15:34:40Z","cross_cats_sorted":[],"title_canon_sha256":"07085ccf019b0e89d43ab8f8333de46b011bf0a6c1176ae41b544a59533a71cf","abstract_canon_sha256":"8f1278a03ff46e6a0ad9845c789c5f0995f5cb389ac5a15860c075f37098da48"},"schema_version":"1.0"},"canonical_sha256":"1fb4330ad8d71c0f345420b2d5ba7495230e853799991de4ca925b462aa75fb0","source":{"kind":"arxiv","id":"astro-ph/0504548","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0504548","created_at":"2026-07-04T16:52:15Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0504548v1","created_at":"2026-07-04T16:52:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0504548","created_at":"2026-07-04T16:52:15Z"},{"alias_kind":"pith_short_12","alias_value":"D62DGCWY24OA","created_at":"2026-07-04T16:52:15Z"},{"alias_kind":"pith_short_16","alias_value":"D62DGCWY24OA6NCU","created_at":"2026-07-04T16:52:15Z"},{"alias_kind":"pith_short_8","alias_value":"D62DGCWY","created_at":"2026-07-04T16:52:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:D62DGCWY24OA6NCUECZNLOTUSU","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0504548","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-04-25T15:34:40Z","cross_cats_sorted":[],"title_canon_sha256":"07085ccf019b0e89d43ab8f8333de46b011bf0a6c1176ae41b544a59533a71cf","abstract_canon_sha256":"8f1278a03ff46e6a0ad9845c789c5f0995f5cb389ac5a15860c075f37098da48"},"schema_version":"1.0"},"canonical_sha256":"1fb4330ad8d71c0f345420b2d5ba7495230e853799991de4ca925b462aa75fb0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:52:15.439390Z","signature_b64":"i242oGRXc6mqPc70PRAfoIG8IbY3MrWkpI8UOzAPu+qfYJ9ODKJKDsTGEEPTFrgere/7TTEV8bM1THYS/Sx2Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1fb4330ad8d71c0f345420b2d5ba7495230e853799991de4ca925b462aa75fb0","last_reissued_at":"2026-07-04T16:52:15.438922Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:52:15.438922Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0504548","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":"2026-07-04T16:52:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QvzV0VAloqLN1Qu0OVGHebuCQYee/PbmPyphEAYyKtDDeJ6gbDbOTaUtULiGzzcs0T/eQyIx1q6oETrIyylhDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T10:37:49.690419Z"},"content_sha256":"cc5435a193e4201d870b236823c182a4ab63360ea3150a73dc96c6579414c59a","schema_version":"1.0","event_id":"sha256:cc5435a193e4201d870b236823c182a4ab63360ea3150a73dc96c6579414c59a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:D62DGCWY24OA6NCUECZNLOTUSU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Infrared spectroscopy of Nova Cassiopeiae 1993 (V705 Cas). IV. A closer look at the dust","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Evans, J. M. C. Rawlings, O. Smith, S. P. S. Eyres, T. R. Geballe, V. H. Tyne","submitted_at":"2005-04-25T15:34:40Z","abstract_excerpt":"Nova Cassiopeiae 1993 (V705 Cas) was an archetypical dust-forming nova. It displayed a deep minimum in the visual light curve, and spectroscopic evidence for carbon, hydrocarbon and silicate dust. We report the results of fitting the infrared spectral energy distribution with the DUSTY code, which we use to determine the properties and geometry of the emitting dust. The emission is well described as originating in a thin shell whose dust has a carbon:silicate ratio of ~2:1 by number (1.26:1 by mass) and a relatively flat size distribution. The 9.7micron and 18micron silicate features are consi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0504548","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/0504548/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":"2026-07-04T16:52:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BoeLwYZkJduFR6DWxVPB5rODpa4R5p+6R9GgMinU1xGJfG5Cb40/qDptxX7437JtcuAzXL5nBaga7OMLy5F8Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T10:37:49.690933Z"},"content_sha256":"35f5110505dc4edbcc7a2de73385dd5a281728c485a52b083f65b083dc28f240","schema_version":"1.0","event_id":"sha256:35f5110505dc4edbcc7a2de73385dd5a281728c485a52b083f65b083dc28f240"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D62DGCWY24OA6NCUECZNLOTUSU/bundle.json","state_url":"https://pith.science/pith/D62DGCWY24OA6NCUECZNLOTUSU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D62DGCWY24OA6NCUECZNLOTUSU/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":"2026-08-13T10:37:49Z","links":{"resolver":"https://pith.science/pith/D62DGCWY24OA6NCUECZNLOTUSU","bundle":"https://pith.science/pith/D62DGCWY24OA6NCUECZNLOTUSU/bundle.json","state":"https://pith.science/pith/D62DGCWY24OA6NCUECZNLOTUSU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D62DGCWY24OA6NCUECZNLOTUSU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:D62DGCWY24OA6NCUECZNLOTUSU","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":"8f1278a03ff46e6a0ad9845c789c5f0995f5cb389ac5a15860c075f37098da48","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-04-25T15:34:40Z","title_canon_sha256":"07085ccf019b0e89d43ab8f8333de46b011bf0a6c1176ae41b544a59533a71cf"},"schema_version":"1.0","source":{"id":"astro-ph/0504548","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0504548","created_at":"2026-07-04T16:52:15Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0504548v1","created_at":"2026-07-04T16:52:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0504548","created_at":"2026-07-04T16:52:15Z"},{"alias_kind":"pith_short_12","alias_value":"D62DGCWY24OA","created_at":"2026-07-04T16:52:15Z"},{"alias_kind":"pith_short_16","alias_value":"D62DGCWY24OA6NCU","created_at":"2026-07-04T16:52:15Z"},{"alias_kind":"pith_short_8","alias_value":"D62DGCWY","created_at":"2026-07-04T16:52:15Z"}],"graph_snapshots":[{"event_id":"sha256:35f5110505dc4edbcc7a2de73385dd5a281728c485a52b083f65b083dc28f240","target":"graph","created_at":"2026-07-04T16:52:15Z","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/0504548/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Nova Cassiopeiae 1993 (V705 Cas) was an archetypical dust-forming nova. It displayed a deep minimum in the visual light curve, and spectroscopic evidence for carbon, hydrocarbon and silicate dust. We report the results of fitting the infrared spectral energy distribution with the DUSTY code, which we use to determine the properties and geometry of the emitting dust. The emission is well described as originating in a thin shell whose dust has a carbon:silicate ratio of ~2:1 by number (1.26:1 by mass) and a relatively flat size distribution. The 9.7micron and 18micron silicate features are consi","authors_text":"A. Evans, J. M. C. Rawlings, O. Smith, S. P. S. Eyres, T. R. Geballe, V. H. Tyne","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-04-25T15:34:40Z","title":"Infrared spectroscopy of Nova Cassiopeiae 1993 (V705 Cas). IV. A closer look at the dust"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0504548","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:cc5435a193e4201d870b236823c182a4ab63360ea3150a73dc96c6579414c59a","target":"record","created_at":"2026-07-04T16:52:15Z","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":"8f1278a03ff46e6a0ad9845c789c5f0995f5cb389ac5a15860c075f37098da48","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-04-25T15:34:40Z","title_canon_sha256":"07085ccf019b0e89d43ab8f8333de46b011bf0a6c1176ae41b544a59533a71cf"},"schema_version":"1.0","source":{"id":"astro-ph/0504548","kind":"arxiv","version":1}},"canonical_sha256":"1fb4330ad8d71c0f345420b2d5ba7495230e853799991de4ca925b462aa75fb0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1fb4330ad8d71c0f345420b2d5ba7495230e853799991de4ca925b462aa75fb0","first_computed_at":"2026-07-04T16:52:15.438922Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:52:15.438922Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i242oGRXc6mqPc70PRAfoIG8IbY3MrWkpI8UOzAPu+qfYJ9ODKJKDsTGEEPTFrgere/7TTEV8bM1THYS/Sx2Aw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:52:15.439390Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0504548","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cc5435a193e4201d870b236823c182a4ab63360ea3150a73dc96c6579414c59a","sha256:35f5110505dc4edbcc7a2de73385dd5a281728c485a52b083f65b083dc28f240"],"state_sha256":"b1214eb3bf77af90662a09c7f227538505c2cd90591c2d181afcb02ea1a6704c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pj13SBZ1flMFAOppsU7eSPFucHvmMyZc2fAUj1DZbl5rMhhcpsmK/tWGYRIQvflqTmXumhkNH3BWl8/kYY2iBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T10:37:49.695927Z","bundle_sha256":"7ac3e9535c3bb41b891ba1a30b56f4eb577a84c7a0eaf656d7dc35fb076b1d6f"}}