{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:FZXHQTNPBM37B726MWWPACIDIT","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":"7920778891dfdda0dcd3b50388b9bc0b8915263045b5dc61c729bfe6b3b2aa2f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-07-07T09:32:54Z","title_canon_sha256":"9c35026b1361be2176a024031f5a60be78e387a494b2f15168503450dc35f1e3"},"schema_version":"1.0","source":{"id":"1107.1323","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1107.1323","created_at":"2026-05-18T02:01:22Z"},{"alias_kind":"arxiv_version","alias_value":"1107.1323v1","created_at":"2026-05-18T02:01:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1107.1323","created_at":"2026-05-18T02:01:22Z"},{"alias_kind":"pith_short_12","alias_value":"FZXHQTNPBM37","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_16","alias_value":"FZXHQTNPBM37B726","created_at":"2026-05-18T12:26:28Z"},{"alias_kind":"pith_short_8","alias_value":"FZXHQTNP","created_at":"2026-05-18T12:26:28Z"}],"graph_snapshots":[{"event_id":"sha256:fa5b5f55b3783094cf8b78ddfcc9c470da9154cf26a3f66f591e4c901310e629","target":"graph","created_at":"2026-05-18T02:01:22Z","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":"Context: Supernova 1987A (SN1987A) exploded in the Large Magellanic Cloud (LMC). Its proximity and rapid evolution makes it a unique case study of the early phases in the development of a supernova remnant. One particular aspect of interest is the possible formation of dust in SN1987A, as SNe could contribute significantly to the dust seen at high redshifts. Aims: We explore the properties of SN1987A and its circumburst medium as seen at mm and sub-mm wavelengths, bridging the gap between extant radio and infrared (IR) observations of respectively the synchrotron and dust emission. Methods: SN","authors_text":"Ferdinando Patat (ESO), Giovanna Zanardo (ICRAR - University of Western Australia), Jacco Th. van Loon (Keele University), Lister Staveley-Smith (ICRAR - University of Western Australia), Masha Lakicevic (ESO/Keele University)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-07-07T09:32:54Z","title":"The remnant of SN1987A revealed at (sub-)mm wavelengths"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1107.1323","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":"sha256:877f2f1738e1b0777bde54ef72fe90746b55a218aa70fd4c0240787751f0fbe9","target":"record","created_at":"2026-05-18T02:01:22Z","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":"7920778891dfdda0dcd3b50388b9bc0b8915263045b5dc61c729bfe6b3b2aa2f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-07-07T09:32:54Z","title_canon_sha256":"9c35026b1361be2176a024031f5a60be78e387a494b2f15168503450dc35f1e3"},"schema_version":"1.0","source":{"id":"1107.1323","kind":"arxiv","version":1}},"canonical_sha256":"2e6e784daf0b37f0ff5e65acf0090344d1543fc657f1f67638b3163752eb4db9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2e6e784daf0b37f0ff5e65acf0090344d1543fc657f1f67638b3163752eb4db9","first_computed_at":"2026-05-18T02:01:22.033591Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:22.033591Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KZCGhjcFJ7EmKH4ikRDoCL/8puA+rdNOcPIi22vykCwNbjSIVk0VcEAUih73e/hHfxwiwMW9YThtT6r9/NFzAA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:22.034424Z","signed_message":"canonical_sha256_bytes"},"source_id":"1107.1323","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:877f2f1738e1b0777bde54ef72fe90746b55a218aa70fd4c0240787751f0fbe9","sha256:fa5b5f55b3783094cf8b78ddfcc9c470da9154cf26a3f66f591e4c901310e629"],"state_sha256":"67ada6a2283427e090ef0e44ea2ac51295b4f2e17f6917572eddf58613644d87"}