{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:LQI2GWOKOMPXWMF4NR3SM64MSB","short_pith_number":"pith:LQI2GWOK","canonical_record":{"source":{"id":"1005.4886","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-26T17:31:06Z","cross_cats_sorted":[],"title_canon_sha256":"55f2e320af1836988aa04ae5a3096b0ba1e51c9b85e522ac8a0ba3e9e79897a8","abstract_canon_sha256":"2279540ecc7c12d0efd822876cf2d51d2c11e50d40631ed8e5b9092f5d4c4556"},"schema_version":"1.0"},"canonical_sha256":"5c11a359ca731f7b30bc6c77267b8c906daaaee7289fad1a6d8dc3dda74ef7c6","source":{"kind":"arxiv","id":"1005.4886","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.4886","created_at":"2026-05-18T02:07:07Z"},{"alias_kind":"arxiv_version","alias_value":"1005.4886v1","created_at":"2026-05-18T02:07:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.4886","created_at":"2026-05-18T02:07:07Z"},{"alias_kind":"pith_short_12","alias_value":"LQI2GWOKOMPX","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"LQI2GWOKOMPXWMF4","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"LQI2GWOK","created_at":"2026-05-18T12:26:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:LQI2GWOKOMPXWMF4NR3SM64MSB","target":"record","payload":{"canonical_record":{"source":{"id":"1005.4886","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-26T17:31:06Z","cross_cats_sorted":[],"title_canon_sha256":"55f2e320af1836988aa04ae5a3096b0ba1e51c9b85e522ac8a0ba3e9e79897a8","abstract_canon_sha256":"2279540ecc7c12d0efd822876cf2d51d2c11e50d40631ed8e5b9092f5d4c4556"},"schema_version":"1.0"},"canonical_sha256":"5c11a359ca731f7b30bc6c77267b8c906daaaee7289fad1a6d8dc3dda74ef7c6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:07:07.765980Z","signature_b64":"dbJVOzm7WSkZNbJkA3sKDjV/dl58WKfnjeIzxp4fzfDilMtgnA0NeUfpDOiR6yF2fCF0Wo75HeJXmhtFbxCVCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c11a359ca731f7b30bc6c77267b8c906daaaee7289fad1a6d8dc3dda74ef7c6","last_reissued_at":"2026-05-18T02:07:07.765217Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:07:07.765217Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1005.4886","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":"2026-05-18T02:07:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S7gCt3Xz6BsCJkVIv4c4wq2ZzmuhAQ1rWubbRB9JtIXabbkM8OIi5Bg0izWUADcrkUftxMrljy6n63JA/5uOCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:57:39.496648Z"},"content_sha256":"31166b79aa541c4e46a7f624906181cddc062418366fd08b27f836629d43412e","schema_version":"1.0","event_id":"sha256:31166b79aa541c4e46a7f624906181cddc062418366fd08b27f836629d43412e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:LQI2GWOKOMPXWMF4NR3SM64MSB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The peculiar dust shell of Nova DZ Cru (2003)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Evans, C. E. Woodward, D. K. Lynch, J. Krautter, J. Lyke, J.-U. Ness, J. W. Truran, L. A. Helton, M. F. Bode, M. T. Rushton, R. D. Gehrz, R. M. Wagner, S. Starrfield","submitted_at":"2010-05-26T17:31:06Z","abstract_excerpt":"We present Spitzer Space Telescope observations of the \"peculiar variable\" DZ Cru, identified by Rushton et al. (2008, MNRAS, 386, 289) as a classical nova. A dust shell, on which are superimposed a number of features, is prominent in the 5-35micron range some 4 years after eruption. We suggest that the dust in DZ Cru is primarily hydrogenated amorphous carbon in which aliphatic bands currently predominate, and which may either become predominantly aromatic as the dust is photo-processed by ultraviolet radiation from the stellar remnant, or more likely completely destroyed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.4886","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":"2026-05-18T02:07:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FQrkR8neRizgD9oKY5rO0g46rmZn4/AaSFjpF6aQM1ftayivIcjqIsA0L/9IJE/ZtcPvD/sGRUHnTbU5bIl+Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:57:39.497346Z"},"content_sha256":"b584001ab8dcdeb25bb28abb28e8d5132e99d45e4100d4c072286c3d20862297","schema_version":"1.0","event_id":"sha256:b584001ab8dcdeb25bb28abb28e8d5132e99d45e4100d4c072286c3d20862297"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LQI2GWOKOMPXWMF4NR3SM64MSB/bundle.json","state_url":"https://pith.science/pith/LQI2GWOKOMPXWMF4NR3SM64MSB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LQI2GWOKOMPXWMF4NR3SM64MSB/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":"2026-05-26T09:57:39Z","links":{"resolver":"https://pith.science/pith/LQI2GWOKOMPXWMF4NR3SM64MSB","bundle":"https://pith.science/pith/LQI2GWOKOMPXWMF4NR3SM64MSB/bundle.json","state":"https://pith.science/pith/LQI2GWOKOMPXWMF4NR3SM64MSB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LQI2GWOKOMPXWMF4NR3SM64MSB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:LQI2GWOKOMPXWMF4NR3SM64MSB","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":"2279540ecc7c12d0efd822876cf2d51d2c11e50d40631ed8e5b9092f5d4c4556","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-26T17:31:06Z","title_canon_sha256":"55f2e320af1836988aa04ae5a3096b0ba1e51c9b85e522ac8a0ba3e9e79897a8"},"schema_version":"1.0","source":{"id":"1005.4886","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.4886","created_at":"2026-05-18T02:07:07Z"},{"alias_kind":"arxiv_version","alias_value":"1005.4886v1","created_at":"2026-05-18T02:07:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.4886","created_at":"2026-05-18T02:07:07Z"},{"alias_kind":"pith_short_12","alias_value":"LQI2GWOKOMPX","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"LQI2GWOKOMPXWMF4","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"LQI2GWOK","created_at":"2026-05-18T12:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:b584001ab8dcdeb25bb28abb28e8d5132e99d45e4100d4c072286c3d20862297","target":"graph","created_at":"2026-05-18T02:07:07Z","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":"We present Spitzer Space Telescope observations of the \"peculiar variable\" DZ Cru, identified by Rushton et al. (2008, MNRAS, 386, 289) as a classical nova. A dust shell, on which are superimposed a number of features, is prominent in the 5-35micron range some 4 years after eruption. We suggest that the dust in DZ Cru is primarily hydrogenated amorphous carbon in which aliphatic bands currently predominate, and which may either become predominantly aromatic as the dust is photo-processed by ultraviolet radiation from the stellar remnant, or more likely completely destroyed.","authors_text":"A. Evans, C. E. Woodward, D. K. Lynch, J. Krautter, J. Lyke, J.-U. Ness, J. W. Truran, L. A. Helton, M. F. Bode, M. T. Rushton, R. D. Gehrz, R. M. Wagner, S. Starrfield","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-26T17:31:06Z","title":"The peculiar dust shell of Nova DZ Cru (2003)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.4886","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":"sha256:31166b79aa541c4e46a7f624906181cddc062418366fd08b27f836629d43412e","target":"record","created_at":"2026-05-18T02:07:07Z","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":"2279540ecc7c12d0efd822876cf2d51d2c11e50d40631ed8e5b9092f5d4c4556","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-05-26T17:31:06Z","title_canon_sha256":"55f2e320af1836988aa04ae5a3096b0ba1e51c9b85e522ac8a0ba3e9e79897a8"},"schema_version":"1.0","source":{"id":"1005.4886","kind":"arxiv","version":1}},"canonical_sha256":"5c11a359ca731f7b30bc6c77267b8c906daaaee7289fad1a6d8dc3dda74ef7c6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5c11a359ca731f7b30bc6c77267b8c906daaaee7289fad1a6d8dc3dda74ef7c6","first_computed_at":"2026-05-18T02:07:07.765217Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:07:07.765217Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dbJVOzm7WSkZNbJkA3sKDjV/dl58WKfnjeIzxp4fzfDilMtgnA0NeUfpDOiR6yF2fCF0Wo75HeJXmhtFbxCVCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:07:07.765980Z","signed_message":"canonical_sha256_bytes"},"source_id":"1005.4886","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:31166b79aa541c4e46a7f624906181cddc062418366fd08b27f836629d43412e","sha256:b584001ab8dcdeb25bb28abb28e8d5132e99d45e4100d4c072286c3d20862297"],"state_sha256":"01c2c666a05bb4c9ed923f8921ec822feb5a7a0a13e6f3de2ad2bd6c40c49826"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nt3H1xHeeLk+RnLEaxJ4PjpdpUDE2W0XiwcIpMWJ+ukV7mLHaIUfiWe01N/KdSg9OUL0EuBUPcVd0Nzapc7rBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T09:57:39.501090Z","bundle_sha256":"d9d154240ec55f3b5ca6a3ea5f67ffa0b2a6ddec149e4e931d9dcd3947e0b9d2"}}