{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:RZJCQIZN4ZUR5A4R5ZEI2K3BBC","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":"9157f35f7820d6d6cfe89069240f6d9c9b3e565ac25bb4bbd5c4f46613003402","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-09-08T02:00:13Z","title_canon_sha256":"68110db9e9f7a470c00bac7c7345de8cb14ca95519d8314ad15479344645c49d"},"schema_version":"1.0","source":{"id":"0709.1182","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0709.1182","created_at":"2026-07-04T17:05:36Z"},{"alias_kind":"arxiv_version","alias_value":"0709.1182v1","created_at":"2026-07-04T17:05:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0709.1182","created_at":"2026-07-04T17:05:36Z"},{"alias_kind":"pith_short_12","alias_value":"RZJCQIZN4ZUR","created_at":"2026-07-04T17:05:36Z"},{"alias_kind":"pith_short_16","alias_value":"RZJCQIZN4ZUR5A4R","created_at":"2026-07-04T17:05:36Z"},{"alias_kind":"pith_short_8","alias_value":"RZJCQIZN","created_at":"2026-07-04T17:05:36Z"}],"graph_snapshots":[{"event_id":"sha256:75cece4a82d3161d685ad178a7fd30c6e29b9f992daf968941b35e62021e17d6","target":"graph","created_at":"2026-07-04T17:05:36Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0709.1182/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The 2MASS photometric calibration observations cover ~6 square degrees on the sky in 35 \"calibration fields\" each sampled in nominal photometric conditions between 562 and 3692 times during the four years of the 2MASS mission. We compile a catalog of variables from the calibration observations to search for M dwarfs transited by extra-solar planets. We present our methods for measuring periodic and non-periodic flux variability. From 7554 sources with apparent Ks magnitudes between 5.6 and 16.1, we identify 247 variables, including extragalactic variables and 23 periodic variables. We have dis","authors_text":"J. Davy Kirkpatrick, M. Jura, Peter Plavchan, Roc M. Cutri, S. C. Gallagher","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-09-08T02:00:13Z","title":"Near-Infrared Variability in the 2MASS Calibration Fields: A Search for Planetary Transit Candidates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0709.1182","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":"sha256:8b17594b797db57380272aa3593c2ff2f49b105bb7d04650fcd7938e4531c7f4","target":"record","created_at":"2026-07-04T17:05:36Z","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":"9157f35f7820d6d6cfe89069240f6d9c9b3e565ac25bb4bbd5c4f46613003402","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-09-08T02:00:13Z","title_canon_sha256":"68110db9e9f7a470c00bac7c7345de8cb14ca95519d8314ad15479344645c49d"},"schema_version":"1.0","source":{"id":"0709.1182","kind":"arxiv","version":1}},"canonical_sha256":"8e5228232de6691e8391ee488d2b6108b51b20047c92d0772bb8705a5d7139a6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8e5228232de6691e8391ee488d2b6108b51b20047c92d0772bb8705a5d7139a6","first_computed_at":"2026-07-04T17:05:36.512260Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:05:36.512260Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3yg1MIn+++cIoybtJ5CCPMTGLdlld8uhd/Vp4XqLtsWs5F7tkFgiSTGx/LLCrD0dNoyEdaWTzntgMAYtH/4QAA==","signature_status":"signed_v1","signed_at":"2026-07-04T17:05:36.512783Z","signed_message":"canonical_sha256_bytes"},"source_id":"0709.1182","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8b17594b797db57380272aa3593c2ff2f49b105bb7d04650fcd7938e4531c7f4","sha256:75cece4a82d3161d685ad178a7fd30c6e29b9f992daf968941b35e62021e17d6"],"state_sha256":"9948c68f280996f684e7f322bbc817d85dc0a5f28319b7fdee48c2679875b640"}