{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:WJZ4FQIBDEBRLKAXGUQ7KJ2YOY","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":"2399049a93254eb42bf41e1a86bc2aa89c39605b1458379fe5994478ff29a6d1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-15T20:00:01Z","title_canon_sha256":"f0bc15eccdd4554f309daeeb194ef6e7cfb8211cb1fb143d844f8e139d968cc4"},"schema_version":"1.0","source":{"id":"1609.04820","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.04820","created_at":"2026-05-18T01:00:41Z"},{"alias_kind":"arxiv_version","alias_value":"1609.04820v1","created_at":"2026-05-18T01:00:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.04820","created_at":"2026-05-18T01:00:41Z"},{"alias_kind":"pith_short_12","alias_value":"WJZ4FQIBDEBR","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"WJZ4FQIBDEBRLKAX","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"WJZ4FQIB","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:ad65f33904bf2c2e0108e7744cf9330cae84ebe2244fdebb815cc98e430488fe","target":"graph","created_at":"2026-05-18T01:00:41Z","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":"Standard galaxy formation models predict that large-scale double-lobed radio sources, known as DRAGNs, will always be hosted by elliptical galaxies. In spite of this, in recent years a small number of spiral galaxies have also been found to host such sources. These so-called spiral DRAGNs are still extremely rare, with only $\\sim 5$ cases being widely accepted. Here we report on the serendipitous discovery of a new spiral DRAGN in data from the Giant Metrewave Radio Telescope (GMRT) at 322 MHz. The host galaxy, MCG+07-47-10, is a face-on late-type Sbc galaxy with distinctive spiral arms and pr","authors_text":"A.M.M. Scaife, A.O.Clarke, D.D.Mulcahy, H.Kobayashi, H.Matsumoto, I.Mitsuishi, M.Y.Mao, R.Suganuma, Y.Babazaki, Y.Tawara","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-15T20:00:01Z","title":"The Discovery of a Low-Luminosity SPIRAL DRAGN"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.04820","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:b01af57ee061770792f6c73867f13a73356e464966f00b49b630b0429e40cbf5","target":"record","created_at":"2026-05-18T01:00:41Z","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":"2399049a93254eb42bf41e1a86bc2aa89c39605b1458379fe5994478ff29a6d1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-15T20:00:01Z","title_canon_sha256":"f0bc15eccdd4554f309daeeb194ef6e7cfb8211cb1fb143d844f8e139d968cc4"},"schema_version":"1.0","source":{"id":"1609.04820","kind":"arxiv","version":1}},"canonical_sha256":"b273c2c101190315a8173521f52758761c72d7fded76f936354a106073181dec","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b273c2c101190315a8173521f52758761c72d7fded76f936354a106073181dec","first_computed_at":"2026-05-18T01:00:41.806770Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:00:41.806770Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NNALQcUCQaNv9vhLf3QDbphGV6AofB5zZvoH96nHloxR67wp8OphqrWYlLdpjjZ20tQUcPsrAzFmmHm8M4Q5BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:00:41.807166Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.04820","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b01af57ee061770792f6c73867f13a73356e464966f00b49b630b0429e40cbf5","sha256:ad65f33904bf2c2e0108e7744cf9330cae84ebe2244fdebb815cc98e430488fe"],"state_sha256":"c2b5fc5aeeb0058caf0b2130569a355c4987ede201e5d2537312a720d8fe3c16"}