{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:JUO7B52YPJAP2QF62ONC66PWQD","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":"44d232ecc0122774eff9b8a5e8606cb5ea7d2e5b00da75696227a089923baaed","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-08-13T17:25:11Z","title_canon_sha256":"4d1e67e44eb1e414bf689e8eaa23f4860dd7be2531699d07acaffab19cbffbf9"},"schema_version":"1.0","source":{"id":"2008.10397","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.10397","created_at":"2026-07-05T01:29:23Z"},{"alias_kind":"arxiv_version","alias_value":"2008.10397v1","created_at":"2026-07-05T01:29:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.10397","created_at":"2026-07-05T01:29:23Z"},{"alias_kind":"pith_short_12","alias_value":"JUO7B52YPJAP","created_at":"2026-07-05T01:29:23Z"},{"alias_kind":"pith_short_16","alias_value":"JUO7B52YPJAP2QF6","created_at":"2026-07-05T01:29:23Z"},{"alias_kind":"pith_short_8","alias_value":"JUO7B52Y","created_at":"2026-07-05T01:29:23Z"}],"graph_snapshots":[{"event_id":"sha256:33e0e7c9d7c476b8dc6068c415dbbceff7911261422f5813d042804d39551ea9","target":"graph","created_at":"2026-07-05T01:29:23Z","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/2008.10397/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this note, we present a detailed self-similar solution to the interaction of a uniformly expanding gas and a stationary ambient medium, with an application to supernovae interacting with preexisting circumstellar media (Type IIn SNe). We implement the generalized solution into the Modular Open Source Fitter for Transients (MOSFiT), an open-source Python package for fitting extragalactic transient light curves.","authors_text":"Brighten Jiang, Shuai Jiang, V. Ashley Villar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-08-13T17:25:11Z","title":"Extended Self-similar Solution for Circumstellar Material-Supernova Ejecta Interaction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.10397","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:b41dcceb6cf8c3524ed1315f2af8bec8b2fac5b93e25424e2c6eb56c17475b48","target":"record","created_at":"2026-07-05T01:29:23Z","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":"44d232ecc0122774eff9b8a5e8606cb5ea7d2e5b00da75696227a089923baaed","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-08-13T17:25:11Z","title_canon_sha256":"4d1e67e44eb1e414bf689e8eaa23f4860dd7be2531699d07acaffab19cbffbf9"},"schema_version":"1.0","source":{"id":"2008.10397","kind":"arxiv","version":1}},"canonical_sha256":"4d1df0f7587a40fd40bed39a2f79f680f8a0f8917de7a5639b45e3c3f132387c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4d1df0f7587a40fd40bed39a2f79f680f8a0f8917de7a5639b45e3c3f132387c","first_computed_at":"2026-07-05T01:29:23.801392Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:29:23.801392Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NkpkEB5foxiuksyytrCwlL+6OB3/JQXYjHrNTMDqVkzhnSJAIzwARVP2jvfFKo9RkFTp2wdHDFE1EsTYOcuhDA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:29:23.801779Z","signed_message":"canonical_sha256_bytes"},"source_id":"2008.10397","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b41dcceb6cf8c3524ed1315f2af8bec8b2fac5b93e25424e2c6eb56c17475b48","sha256:33e0e7c9d7c476b8dc6068c415dbbceff7911261422f5813d042804d39551ea9"],"state_sha256":"65fb9ede19fe98a63430ea4d2683d3eb152b8892e804328983e508cdcad36f52"}