{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:YKTO6XW6KBQF4BLA4RC6GXNNRP","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":"0af7de7e91a2e519b276ce462159784509cfe659c19ebe624016887186f10db1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-10-28T17:00:22Z","title_canon_sha256":"511e5915e42e9f7a5420d32cc0560a723fbf6b133a5f2d52086d860eeab8a756"},"schema_version":"1.0","source":{"id":"1310.7493","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.7493","created_at":"2026-05-18T01:46:48Z"},{"alias_kind":"arxiv_version","alias_value":"1310.7493v1","created_at":"2026-05-18T01:46:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.7493","created_at":"2026-05-18T01:46:48Z"},{"alias_kind":"pith_short_12","alias_value":"YKTO6XW6KBQF","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"YKTO6XW6KBQF4BLA","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"YKTO6XW6","created_at":"2026-05-18T12:28:06Z"}],"graph_snapshots":[{"event_id":"sha256:ec7b26996b9d07afd0996c20f194540f3c43e71ae886b9c5374c2c312269ccf9","target":"graph","created_at":"2026-05-18T01:46:48Z","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":"Abell 3376 is a merging cluster of galaxies at redshift z=0.046, famous mostly for its giant radio arcs, and shows an elongated and highly substructured X-ray emission, but has not been analysed in detail at optical wavelengths. We have obtained wide field images of Abell 3376 in the B band and derive the GLF applying a statistical subtraction of the background in three regions: a circle of 0.29 deg radius (1.5 Mpc) encompassing the whole cluster, and two circles centered on each of the two brightest galaxies (BCG2, northeast, coinciding with the peak of X-ray emission, and BCG1, southwest) of","authors_text":"(2) IAG/USP, (3) LAM, (4) IUCAA, Brazil, Christophe Adami (3), Clement Perrot (1), Emmanuel Bertin (1), Florence Durret (1), France, Gastao B. Lima Neto (2), India), Joydeep Bagchi (4) ((1) IAP","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-10-28T17:00:22Z","title":"The merging cluster of galaxies Abell 3376: an optical view"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.7493","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":"sha256:2c603d061f4814824f5a9f0530f041a4caa3533d96abff00c85fb5755734ea47","target":"record","created_at":"2026-05-18T01:46:48Z","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":"0af7de7e91a2e519b276ce462159784509cfe659c19ebe624016887186f10db1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-10-28T17:00:22Z","title_canon_sha256":"511e5915e42e9f7a5420d32cc0560a723fbf6b133a5f2d52086d860eeab8a756"},"schema_version":"1.0","source":{"id":"1310.7493","kind":"arxiv","version":1}},"canonical_sha256":"c2a6ef5ede50605e0560e445e35dad8be69f28a8630a0220e7f32cfcc89e1ad3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c2a6ef5ede50605e0560e445e35dad8be69f28a8630a0220e7f32cfcc89e1ad3","first_computed_at":"2026-05-18T01:46:48.547336Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:48.547336Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"y/1NhTsv2W42dX6HS1Nv0c14cNbhq7RtvwDCvAM6rQs8OFBHQulNNXM2y5qx8pMzCkcvuY+Icf85rGb/uZ/3AA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:48.547977Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.7493","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2c603d061f4814824f5a9f0530f041a4caa3533d96abff00c85fb5755734ea47","sha256:ec7b26996b9d07afd0996c20f194540f3c43e71ae886b9c5374c2c312269ccf9"],"state_sha256":"8363a22e3e71ea64383c9ed3163a0e4888b1c852e85d57ef20f49e7109b0ab86"}