{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:TJR3NEPGKJTR2GOMZCVJGWJDFH","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":"d30f8281c4c5157984c7292fae0a37a8fca94233e7bb6e6e24f4ea88e377faa2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-12T02:09:57Z","title_canon_sha256":"4234155e6fc8c275bb37a47f5ae10875295b26efc321bbe3c5b0bf71c9ed6a9e"},"schema_version":"1.0","source":{"id":"1509.03695","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.03695","created_at":"2026-05-18T01:33:14Z"},{"alias_kind":"arxiv_version","alias_value":"1509.03695v1","created_at":"2026-05-18T01:33:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.03695","created_at":"2026-05-18T01:33:14Z"},{"alias_kind":"pith_short_12","alias_value":"TJR3NEPGKJTR","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TJR3NEPGKJTR2GOM","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TJR3NEPG","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:eafb7ddf9fb7f8ee1f69379e4c25268b1052b6be81dc0a8ffa53018e1d1f3ca7","target":"graph","created_at":"2026-05-18T01:33:14Z","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":"We investigate spatially resolved specific star formation rate (SSFR) in the inner $\\sim$ 40 pc for a nearby Seyfert 2 galaxy, M51 (NGC 5194) by analyzing spectra obtained with the \\emph{Hubble Space Telescope (HST)} Space Telescope Imaging Spectrograph (STIS). We present 24 radial spectra measured along the STIS long slit in M51, extending $\\sim 1\\arcsec$ from the nucleus (i.e., -41.5 pc to 39.4 pc). By the simple stellar population synthesis, the stellar contributions in these radial optical spectra are modeled. Excluding some regions with zero young flux fraction near the center (from -6 pc","authors_text":"China), Institute of Theoretical Physics, Li-Ling Fang, Nanjing Normal University, Wei-Hao Bian (Department of Physics, Xiao-Lei Jiang, Zhi-Cheng He","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-12T02:09:57Z","title":"The inner $\\sim$ 40 pc Radial Distribution of the Star formation Rate for a nearby Seyfert 2 galaxy M51"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.03695","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:d8fa2b6e91ddb9797b2013ef30f0975b2fbf0fb3987e35489bb6087a885e433a","target":"record","created_at":"2026-05-18T01:33:14Z","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":"d30f8281c4c5157984c7292fae0a37a8fca94233e7bb6e6e24f4ea88e377faa2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-12T02:09:57Z","title_canon_sha256":"4234155e6fc8c275bb37a47f5ae10875295b26efc321bbe3c5b0bf71c9ed6a9e"},"schema_version":"1.0","source":{"id":"1509.03695","kind":"arxiv","version":1}},"canonical_sha256":"9a63b691e652671d19ccc8aa93592329d1142e8976b6892c937534a00c769684","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9a63b691e652671d19ccc8aa93592329d1142e8976b6892c937534a00c769684","first_computed_at":"2026-05-18T01:33:14.818943Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:33:14.818943Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UeSXtTb4o3jEWTKlFDhECs+UGp/OczJnUhIyZkxNITYvI25MXKptXuTtZWabRCdyaV14HnW76Xoq3MP8ReIhDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:33:14.819584Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.03695","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d8fa2b6e91ddb9797b2013ef30f0975b2fbf0fb3987e35489bb6087a885e433a","sha256:eafb7ddf9fb7f8ee1f69379e4c25268b1052b6be81dc0a8ffa53018e1d1f3ca7"],"state_sha256":"029d59ead41e16b8a482bfcb6802a2296998e2ae131c11bbe4c4d5201eb65306"}