{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2020:YJ7MHAZHCQK3M7MS4NRC24YJNU","short_pith_number":"pith:YJ7MHAZH","schema_version":"1.0","canonical_sha256":"c27ec383271415b67d92e3622d73096d2494427a6fb8d2c05110514a0e25c1f1","source":{"kind":"arxiv","id":"2009.10509","version":1},"attestation_state":"computed","paper":{"title":"SN 2018gjx reveals that some SNe Ibn are SNe IIb exploding in dense circumstellar material","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"C. Barbarino, C. Inserra, C. McCully, C. Pellegrino, C. P. Guti\\'errez, D. A. Howell, D. Hiramatsu, D. R. Young, E. Kankare, H. Kuncarayakti, I. Boian, J. Anderson, J. Burke, J. Groh, J. Sollerman, K. A. Bostroem, K. Maguire, L. Galbany, L. Tartaglia, M. Fraser, M. Gromadzki, M. Nichol, P. A. James, P. A. Mazzali, P. Clark, S. J. Prentice, S. J. Smartt, S. Valenti, T. E. M\\\"uller-Bravo, Y. Dong","submitted_at":"2020-09-22T13:02:11Z","abstract_excerpt":"We present the data and analysis of SN 2018gjx, an unusual low-luminosity transient with three distinct spectroscopic phases. Phase I shows a hot blue spectrum with signatures of ionised circumstellar material (CSM), Phase II has the appearance of broad SN features, consistent with those seen in a Type IIb supernova at maximum light, and Phase III is that of a supernova interacting with helium-rich CSM, similar to a Type Ibn supernova. This event provides an apparently rare opportunity to view the inner workings of an interacting supernova. The observed properties can be explained by the explo"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2009.10509","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2020-09-22T13:02:11Z","cross_cats_sorted":[],"title_canon_sha256":"c1504be9efa80ebe0751500a33d2888253bb75d0c2258c885c6d3937b69618a4","abstract_canon_sha256":"0f76188cecedf85978f730ef4cf4c5ddbe4ed63e983730d9078f3bcedbb40650"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:39:07.537858Z","signature_b64":"d/8jjEwHPzYmr6VCFdcAxXWyemizUERBMyzvzS2ensXLAwYnT5BHjO6IVtuuHElg4+aj1HpLQdk8Euk0HAQODg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c27ec383271415b67d92e3622d73096d2494427a6fb8d2c05110514a0e25c1f1","last_reissued_at":"2026-07-05T01:39:07.537290Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:39:07.537290Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"SN 2018gjx reveals that some SNe Ibn are SNe IIb exploding in dense circumstellar material","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"C. Barbarino, C. Inserra, C. McCully, C. Pellegrino, C. P. Guti\\'errez, D. A. Howell, D. Hiramatsu, D. R. Young, E. Kankare, H. Kuncarayakti, I. Boian, J. Anderson, J. Burke, J. Groh, J. Sollerman, K. A. Bostroem, K. Maguire, L. Galbany, L. Tartaglia, M. Fraser, M. Gromadzki, M. Nichol, P. A. James, P. A. Mazzali, P. Clark, S. J. Prentice, S. J. Smartt, S. Valenti, T. E. M\\\"uller-Bravo, Y. Dong","submitted_at":"2020-09-22T13:02:11Z","abstract_excerpt":"We present the data and analysis of SN 2018gjx, an unusual low-luminosity transient with three distinct spectroscopic phases. Phase I shows a hot blue spectrum with signatures of ionised circumstellar material (CSM), Phase II has the appearance of broad SN features, consistent with those seen in a Type IIb supernova at maximum light, and Phase III is that of a supernova interacting with helium-rich CSM, similar to a Type Ibn supernova. This event provides an apparently rare opportunity to view the inner workings of an interacting supernova. The observed properties can be explained by the explo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.10509","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/2009.10509/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2009.10509","created_at":"2026-07-05T01:39:07.537380+00:00"},{"alias_kind":"arxiv_version","alias_value":"2009.10509v1","created_at":"2026-07-05T01:39:07.537380+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.10509","created_at":"2026-07-05T01:39:07.537380+00:00"},{"alias_kind":"pith_short_12","alias_value":"YJ7MHAZHCQK3","created_at":"2026-07-05T01:39:07.537380+00:00"},{"alias_kind":"pith_short_16","alias_value":"YJ7MHAZHCQK3M7MS","created_at":"2026-07-05T01:39:07.537380+00:00"},{"alias_kind":"pith_short_8","alias_value":"YJ7MHAZH","created_at":"2026-07-05T01:39:07.537380+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.10671","citing_title":"SN 2025aico: Early observations of a faint Type IIb supernova with a low-mass envelope","ref_index":175,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/YJ7MHAZHCQK3M7MS4NRC24YJNU","json":"https://pith.science/pith/YJ7MHAZHCQK3M7MS4NRC24YJNU.json","graph_json":"https://pith.science/api/pith-number/YJ7MHAZHCQK3M7MS4NRC24YJNU/graph.json","events_json":"https://pith.science/api/pith-number/YJ7MHAZHCQK3M7MS4NRC24YJNU/events.json","paper":"https://pith.science/paper/YJ7MHAZH"},"agent_actions":{"view_html":"https://pith.science/pith/YJ7MHAZHCQK3M7MS4NRC24YJNU","download_json":"https://pith.science/pith/YJ7MHAZHCQK3M7MS4NRC24YJNU.json","view_paper":"https://pith.science/paper/YJ7MHAZH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2009.10509&json=true","fetch_graph":"https://pith.science/api/pith-number/YJ7MHAZHCQK3M7MS4NRC24YJNU/graph.json","fetch_events":"https://pith.science/api/pith-number/YJ7MHAZHCQK3M7MS4NRC24YJNU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YJ7MHAZHCQK3M7MS4NRC24YJNU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YJ7MHAZHCQK3M7MS4NRC24YJNU/action/storage_attestation","attest_author":"https://pith.science/pith/YJ7MHAZHCQK3M7MS4NRC24YJNU/action/author_attestation","sign_citation":"https://pith.science/pith/YJ7MHAZHCQK3M7MS4NRC24YJNU/action/citation_signature","submit_replication":"https://pith.science/pith/YJ7MHAZHCQK3M7MS4NRC24YJNU/action/replication_record"}},"created_at":"2026-07-05T01:39:07.537380+00:00","updated_at":"2026-07-05T01:39:07.537380+00:00"}