{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:XPJDF6LFPR3NDJ6OINKULL332T","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":"b6567fddd097da78ddfca432b55ba47c9c90c21486fa33214d1c4be1e4e333e9","cross_cats_sorted":["astro-ph.CO","astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-12-01T23:04:15Z","title_canon_sha256":"6307503a108521d069a3d36c408f9d559e9bf8cc5de19ec3767a72731a384a25"},"schema_version":"1.0","source":{"id":"1512.00510","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.00510","created_at":"2026-05-18T01:13:16Z"},{"alias_kind":"arxiv_version","alias_value":"1512.00510v3","created_at":"2026-05-18T01:13:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.00510","created_at":"2026-05-18T01:13:16Z"},{"alias_kind":"pith_short_12","alias_value":"XPJDF6LFPR3N","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"XPJDF6LFPR3NDJ6O","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"XPJDF6LF","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:8c041db9a40e76f21ae29a242017ade257519438fb4f6cad4d5100269da72da8","target":"graph","created_at":"2026-05-18T01:13:16Z","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":"Improving the capabilities of detecting faint X-ray sources is fundamental to increase the statistics on faint high-z AGN and star-forming galaxies. We performed a simultaneous Maximum Likelihood PSF fit in the [0.5-2] keV and [2-7] keV energy bands of the 4 Ms{\\em Chandra} Deep Field South (CDFS) data at the position of the 34930 CANDELS H-band selected galaxies. For each detected source we provide X-ray photometry and optical counterpart validation. We validated this technique by means of a raytracing simulation. We detected a total of 698 X-ray point-sources with a likelihood $\\mathcal{L}$$","authors_text":"A. Comastri, A. Fontana, C. Schreiber, D. Elbaz, E. Merlin, F. Buitrago, F. Vito, G. Zamorani, H. C. Ferguson, J. S. Dunlop, M. Castellano, Micha{\\l} J. Micha{\\l}owski, N. Bourne, N. Cappelluti, P. Santini, R. Amorin, S. Derriere, S. M. Faber, T. Wang, V. A. Bruce, X. Shu","cross_cats":["astro-ph.CO","astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-12-01T23:04:15Z","title":"Chandra counterparts of CANDELS GOODS-S sources"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.00510","kind":"arxiv","version":3},"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:c80a7c707560e6a6b2c2c174399687d4b6a5964ac070bf231bfbb1b8ce21f0f8","target":"record","created_at":"2026-05-18T01:13:16Z","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":"b6567fddd097da78ddfca432b55ba47c9c90c21486fa33214d1c4be1e4e333e9","cross_cats_sorted":["astro-ph.CO","astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-12-01T23:04:15Z","title_canon_sha256":"6307503a108521d069a3d36c408f9d559e9bf8cc5de19ec3767a72731a384a25"},"schema_version":"1.0","source":{"id":"1512.00510","kind":"arxiv","version":3}},"canonical_sha256":"bbd232f9657c76d1a7ce435545af7bd4e027dcd9740dd690be8a1437b16fe4a4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bbd232f9657c76d1a7ce435545af7bd4e027dcd9740dd690be8a1437b16fe4a4","first_computed_at":"2026-05-18T01:13:16.128382Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:13:16.128382Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JB1BmW4V1lHoqhHloJuiVyztrLV/OiaG2ThMOvT7hFBsdRyeZEZny06XEcxk890+lNo5kwWus6FYBV4KB8kACg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:13:16.129010Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.00510","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c80a7c707560e6a6b2c2c174399687d4b6a5964ac070bf231bfbb1b8ce21f0f8","sha256:8c041db9a40e76f21ae29a242017ade257519438fb4f6cad4d5100269da72da8"],"state_sha256":"f47166b78f35c27d350f2f9cababc2733ed75fddf328203b5dd4d61e0bff1e59"}