{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:7LDLYVCYTM7QVAAI44RVIPQ2EJ","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":"b9d1df8d9959095251d4a54410e0d85066b9394b28934fc37c89ac3b5729f1da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-02-13T21:47:32Z","title_canon_sha256":"4e055e05053e18df1c592605111cc929a8a628119eb7cb84ebd8f1550593ff72"},"schema_version":"1.0","source":{"id":"0902.2403","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0902.2403","created_at":"2026-05-18T04:29:16Z"},{"alias_kind":"arxiv_version","alias_value":"0902.2403v1","created_at":"2026-05-18T04:29:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.2403","created_at":"2026-05-18T04:29:16Z"},{"alias_kind":"pith_short_12","alias_value":"7LDLYVCYTM7Q","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"7LDLYVCYTM7QVAAI","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"7LDLYVCY","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:71b61da75e50e2a18bc347f33052b19b4527de47499c55cd0cbb44da762cb6df","target":"graph","created_at":"2026-05-18T04:29:16Z","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":"The ALHAMBRA survey aims to cover 4 square degrees using a system of 20 contiguous, equal width, medium-band filters spanning the range 3500 A to 9700 A plus the standard JHKs filters. Here we analyze deep near-IR number counts of one of our fields (ALH08) for which we have a relatively large area (0.5 square degrees) and faint photometry (J=22.4, H=21.3 and K=20.0 at the 50% of recovery efficiency for point-like sources). We find that the logarithmic gradient of the galaxy counts undergoes a distinct change to a flatter slope in each band: from 0.44 at [17.0, 18.5] to 0.34 at [19.5, 22.0] for","authors_text":"A. Del Olmo, A. Fernandez-Soto, C. Husillos, D. Cristobal-Hornillos, E. J. Alfaro, F. J. Castander, F. Prada, I. Marquez, J. A. L. Aguerri, J. Cabrera, J. Cepa, J. Masegosa, J. M. Quintana, J. Perea, L. Infante, M. Cervino, M. Moles, N. Benitez, R. M. Gonzalez-Delgado, S. F. Sanchez, T. Broadhurst, V. J. Martinez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-02-13T21:47:32Z","title":"Near-IR Galaxy Counts and Evolution from the Wide-Field ALHAMBRA survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.2403","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":"sha256:6b4df6bd9614b9e72d7ff1b16bd889579970aa7a22ee3cace13a426e632feca5","target":"record","created_at":"2026-05-18T04:29:16Z","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":"b9d1df8d9959095251d4a54410e0d85066b9394b28934fc37c89ac3b5729f1da","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-02-13T21:47:32Z","title_canon_sha256":"4e055e05053e18df1c592605111cc929a8a628119eb7cb84ebd8f1550593ff72"},"schema_version":"1.0","source":{"id":"0902.2403","kind":"arxiv","version":1}},"canonical_sha256":"fac6bc54589b3f0a8008e723543e1a22548e69f35274c607867701fd667d62ee","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fac6bc54589b3f0a8008e723543e1a22548e69f35274c607867701fd667d62ee","first_computed_at":"2026-05-18T04:29:16.588278Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:29:16.588278Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SlFqCoM9j5xJGPzymumLO0byW2pVr4A4e+TA1X8hI/wDJ90H5sdoXqoChDfZsh9g3DcsnOYZzwZkT8BWl0bgDA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:29:16.588816Z","signed_message":"canonical_sha256_bytes"},"source_id":"0902.2403","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6b4df6bd9614b9e72d7ff1b16bd889579970aa7a22ee3cace13a426e632feca5","sha256:71b61da75e50e2a18bc347f33052b19b4527de47499c55cd0cbb44da762cb6df"],"state_sha256":"341a33cc73b00837200fcebd6da0276f604e097a7c879f0afaeabaf024808b8b"}