{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:TTFJM4VAYQDPIRZLDCXEIJ6BUH","short_pith_number":"pith:TTFJM4VA","canonical_record":{"source":{"id":"1610.02401","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-10-07T20:00:03Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"205eef4da2b0635aff02055634cbb7953223d7ae9e8a04f90fe45de0e0fb4963","abstract_canon_sha256":"6e5784090178e81afdab9d21b43df572986b04f8c99555fa8a41860b94fb896d"},"schema_version":"1.0"},"canonical_sha256":"9cca9672a0c406f4472b18ae4427c1a1ebaa422f6c7c81b6644e943426996c81","source":{"kind":"arxiv","id":"1610.02401","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.02401","created_at":"2026-05-17T23:55:30Z"},{"alias_kind":"arxiv_version","alias_value":"1610.02401v2","created_at":"2026-05-17T23:55:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.02401","created_at":"2026-05-17T23:55:30Z"},{"alias_kind":"pith_short_12","alias_value":"TTFJM4VAYQDP","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"TTFJM4VAYQDPIRZL","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"TTFJM4VA","created_at":"2026-05-18T12:30:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:TTFJM4VAYQDPIRZLDCXEIJ6BUH","target":"record","payload":{"canonical_record":{"source":{"id":"1610.02401","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-10-07T20:00:03Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"205eef4da2b0635aff02055634cbb7953223d7ae9e8a04f90fe45de0e0fb4963","abstract_canon_sha256":"6e5784090178e81afdab9d21b43df572986b04f8c99555fa8a41860b94fb896d"},"schema_version":"1.0"},"canonical_sha256":"9cca9672a0c406f4472b18ae4427c1a1ebaa422f6c7c81b6644e943426996c81","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:55:30.119426Z","signature_b64":"3xMhDxmJMFdkYP3SIFUhMpbIe5DbncQNlh2O0eJxMNUoxr47mbHeZRbYT/MJ6O7icmWbOAGtH8OysfkjEBmyCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9cca9672a0c406f4472b18ae4427c1a1ebaa422f6c7c81b6644e943426996c81","last_reissued_at":"2026-05-17T23:55:30.118678Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:55:30.118678Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.02401","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:55:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pXx93fmAleQmdVQM2VlxoY5bH4shD6N+DCUpf+rbIZnQ0GQK4yMQjdP8JuRQgKPugt25YFwc76MyITS59xL1AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T04:32:30.847992Z"},"content_sha256":"d9a255cb2a2387a911d95b8650a3a5ceb264a539a45b7071b1bca52c36307951","schema_version":"1.0","event_id":"sha256:d9a255cb2a2387a911d95b8650a3a5ceb264a539a45b7071b1bca52c36307951"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:TTFJM4VAYQDPIRZLDCXEIJ6BUH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Radiative shocks create environments for dust formation in novae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Andrea M. Derdzinski, Brian D. Metzger, Davide Lazzati","submitted_at":"2016-10-07T20:00:03Z","abstract_excerpt":"Classical novae commonly show evidence of rapid dust formation within months of the outburst. However, it is unclear how molecules and grains are able to condense within the ejecta, given the potentially harsh environment created by ionizing radiation from the white dwarf. Motivated by the evidence for powerful radiative shocks within nova outflows, we propose that dust formation occurs within the cool, dense shell behind these shocks. We incorporate a simple molecular chemistry network and classical nucleation theory with a model for the thermodynamic evolution of the post-shock gas, in order"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.02401","kind":"arxiv","version":2},"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":"2026-05-17T23:55:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lNM5unZVa/y5UyE4zqzQPh8SndTvrGYgBCRzWrtNSHLeRkmeBdKVaJsXiau2OLGi+DXyd3x3dE8E4+gJ2mbmAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T04:32:30.848592Z"},"content_sha256":"39c0aad0e2532b40853f6b290a412eb8013f4446558f383127ef6a696ff156ac","schema_version":"1.0","event_id":"sha256:39c0aad0e2532b40853f6b290a412eb8013f4446558f383127ef6a696ff156ac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TTFJM4VAYQDPIRZLDCXEIJ6BUH/bundle.json","state_url":"https://pith.science/pith/TTFJM4VAYQDPIRZLDCXEIJ6BUH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TTFJM4VAYQDPIRZLDCXEIJ6BUH/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":"2026-05-28T04:32:30Z","links":{"resolver":"https://pith.science/pith/TTFJM4VAYQDPIRZLDCXEIJ6BUH","bundle":"https://pith.science/pith/TTFJM4VAYQDPIRZLDCXEIJ6BUH/bundle.json","state":"https://pith.science/pith/TTFJM4VAYQDPIRZLDCXEIJ6BUH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TTFJM4VAYQDPIRZLDCXEIJ6BUH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:TTFJM4VAYQDPIRZLDCXEIJ6BUH","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":"6e5784090178e81afdab9d21b43df572986b04f8c99555fa8a41860b94fb896d","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-10-07T20:00:03Z","title_canon_sha256":"205eef4da2b0635aff02055634cbb7953223d7ae9e8a04f90fe45de0e0fb4963"},"schema_version":"1.0","source":{"id":"1610.02401","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.02401","created_at":"2026-05-17T23:55:30Z"},{"alias_kind":"arxiv_version","alias_value":"1610.02401v2","created_at":"2026-05-17T23:55:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.02401","created_at":"2026-05-17T23:55:30Z"},{"alias_kind":"pith_short_12","alias_value":"TTFJM4VAYQDP","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"TTFJM4VAYQDPIRZL","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"TTFJM4VA","created_at":"2026-05-18T12:30:46Z"}],"graph_snapshots":[{"event_id":"sha256:39c0aad0e2532b40853f6b290a412eb8013f4446558f383127ef6a696ff156ac","target":"graph","created_at":"2026-05-17T23:55:30Z","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":"Classical novae commonly show evidence of rapid dust formation within months of the outburst. However, it is unclear how molecules and grains are able to condense within the ejecta, given the potentially harsh environment created by ionizing radiation from the white dwarf. Motivated by the evidence for powerful radiative shocks within nova outflows, we propose that dust formation occurs within the cool, dense shell behind these shocks. We incorporate a simple molecular chemistry network and classical nucleation theory with a model for the thermodynamic evolution of the post-shock gas, in order","authors_text":"Andrea M. Derdzinski, Brian D. Metzger, Davide Lazzati","cross_cats":["astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-10-07T20:00:03Z","title":"Radiative shocks create environments for dust formation in novae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.02401","kind":"arxiv","version":2},"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:d9a255cb2a2387a911d95b8650a3a5ceb264a539a45b7071b1bca52c36307951","target":"record","created_at":"2026-05-17T23:55:30Z","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":"6e5784090178e81afdab9d21b43df572986b04f8c99555fa8a41860b94fb896d","cross_cats_sorted":["astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2016-10-07T20:00:03Z","title_canon_sha256":"205eef4da2b0635aff02055634cbb7953223d7ae9e8a04f90fe45de0e0fb4963"},"schema_version":"1.0","source":{"id":"1610.02401","kind":"arxiv","version":2}},"canonical_sha256":"9cca9672a0c406f4472b18ae4427c1a1ebaa422f6c7c81b6644e943426996c81","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9cca9672a0c406f4472b18ae4427c1a1ebaa422f6c7c81b6644e943426996c81","first_computed_at":"2026-05-17T23:55:30.118678Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:55:30.118678Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3xMhDxmJMFdkYP3SIFUhMpbIe5DbncQNlh2O0eJxMNUoxr47mbHeZRbYT/MJ6O7icmWbOAGtH8OysfkjEBmyCA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:55:30.119426Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.02401","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d9a255cb2a2387a911d95b8650a3a5ceb264a539a45b7071b1bca52c36307951","sha256:39c0aad0e2532b40853f6b290a412eb8013f4446558f383127ef6a696ff156ac"],"state_sha256":"65e63ee2f7337424dc803b97e6ba9a947a2fd24d66ba7fc03b9061e2061a1881"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ewyt58KOe3HhOgUp5l6837Rdw23HX3g/6cGokFx+NO2OXDY85YbfRFwDHNvk750E3qn3P9DYCzRuVa1KUtNtBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T04:32:30.851299Z","bundle_sha256":"20eae55ed903a15e7f670ff31d5d3b6d0178f1249f821b3fdd9fedce4447f4cb"}}