{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:KTV2IVT4IMTDXQMX2KPGCPSANX","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":"de17960ecbd59d7b116ff1db280173707ef966a84be474b721925545725da151","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-16T10:40:35Z","title_canon_sha256":"5557cdb67d2a2f18d36aa380fc0886649cea42cfa3c3edb2d1cd0d2f6e722083"},"schema_version":"1.0","source":{"id":"1406.3961","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.3961","created_at":"2026-05-18T02:43:35Z"},{"alias_kind":"arxiv_version","alias_value":"1406.3961v1","created_at":"2026-05-18T02:43:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.3961","created_at":"2026-05-18T02:43:35Z"},{"alias_kind":"pith_short_12","alias_value":"KTV2IVT4IMTD","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_16","alias_value":"KTV2IVT4IMTDXQMX","created_at":"2026-05-18T12:28:35Z"},{"alias_kind":"pith_short_8","alias_value":"KTV2IVT4","created_at":"2026-05-18T12:28:35Z"}],"graph_snapshots":[{"event_id":"sha256:167a87855000c640702c357b12f11e2ad76efae8233e1d65c32fefbef7178c00","target":"graph","created_at":"2026-05-18T02:43:35Z","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 investigated the presence of galaxy overdensities around four $z\\sim6$ QSOs, namely SDSS J1030+0524 (z = 6.28), SDSS J1148+5251 (z = 6.41), SDSS J1048+4637 (z = 6.20) and SDSS J1411+1217 (z = 5.95), through deep $r$-, $i$- and $z$- band imaging obtained with the wide-field ($\\sim23'\\times25'$) Large Binocular Camera (LBC) at the Large Binocular Telescope (LBT). We adopted color-color selections within the $i-z$ vs $r-z$ plane to identify samples of $i$-band dropouts at the QSO redshift and measure their relative abundance and spatial distribution in the four LBC fields, each covering $\\sim8","authors_text":"A. Comastri, C. Vignali, E. Sani, E. Vanzella, G. Zamorani, L. Morselli, M. Brusa, M. Mignoli, N. Cappelluti, R. Gilli, S. Gallozzi","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-16T10:40:35Z","title":"The primordial environment of super massive black holes: large scale galaxy overdensities around $z\\sim6$ QSOs with LBT"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.3961","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":"sha256:045c8fd76b403dfeda08cb4e91cce916b4c5be3ca14c6febdb005de4dfeed76d","target":"record","created_at":"2026-05-18T02:43:35Z","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":"de17960ecbd59d7b116ff1db280173707ef966a84be474b721925545725da151","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-16T10:40:35Z","title_canon_sha256":"5557cdb67d2a2f18d36aa380fc0886649cea42cfa3c3edb2d1cd0d2f6e722083"},"schema_version":"1.0","source":{"id":"1406.3961","kind":"arxiv","version":1}},"canonical_sha256":"54eba4567c43263bc197d29e613e406dc8e62788250b33ed5e5f5c03b6f26157","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"54eba4567c43263bc197d29e613e406dc8e62788250b33ed5e5f5c03b6f26157","first_computed_at":"2026-05-18T02:43:35.018831Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:43:35.018831Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+fECAbhxU3hmRGISyIJIrjSHapTCUhKR9DhB46TTqXRQJk7RB3bXh+2e5TqT1Jx3mQ4S1KgAPHp+QHosQAbDAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:43:35.019886Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.3961","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:045c8fd76b403dfeda08cb4e91cce916b4c5be3ca14c6febdb005de4dfeed76d","sha256:167a87855000c640702c357b12f11e2ad76efae8233e1d65c32fefbef7178c00"],"state_sha256":"c1d18a63b2f2321550d078b2552bbe4526c63a419b61a3aade24b193a8734791"}