{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:PI5FWE6UUM2K45XLN5EDZZ3STP","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":"4ce00d48b5f62b435888d85f8549139940dc62e2e9f2ea9dfab49041bf572162","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-06-02T18:33:55Z","title_canon_sha256":"67c89ab1704a8475fdce0f148527cc8bc6cc701588f25116763af16dbdb99cce"},"schema_version":"1.0","source":{"id":"2606.04124","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.04124","created_at":"2026-06-04T00:06:51Z"},{"alias_kind":"arxiv_version","alias_value":"2606.04124v1","created_at":"2026-06-04T00:06:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.04124","created_at":"2026-06-04T00:06:51Z"},{"alias_kind":"pith_short_12","alias_value":"PI5FWE6UUM2K","created_at":"2026-06-04T00:06:51Z"},{"alias_kind":"pith_short_16","alias_value":"PI5FWE6UUM2K45XL","created_at":"2026-06-04T00:06:51Z"},{"alias_kind":"pith_short_8","alias_value":"PI5FWE6U","created_at":"2026-06-04T00:06:51Z"}],"graph_snapshots":[{"event_id":"sha256:545f41db41c1bd21851ea295e8e32d2298a320cc6ce7b38b85b50c8a6dfddb94","target":"graph","created_at":"2026-06-04T00:06:51Z","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/2606.04124/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Magnetic fields play a central role in the evolution of pre-main-sequence (PMS) stars, yet direct observational constraints on their variability over rotational and multi-year timescales remain scarce. We investigate the temporal behavior of surface magnetic fields in a sample of nine PMS stars observed with the Immersion GRating INfrared Spectrometer (IGRINS), using 489 high-resolution near-infrared spectra drawn from the Raw and Reduced IGRINS Spectral Archive. We fit each epoch with magnetic synthetic spectra to derive the mean surface magnetic field strength $\\langle Bf \\rangle$ and detect","authors_text":"Facundo P\\'erez Paolino, Jeff Bary, Lynne Hillenbrand","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-06-02T18:33:55Z","title":"Rotational Modulation and Long-Term Variability of Magnetic Fields in T-Tauri Stars with IGRINS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.04124","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:bec5b425a1ea7104fae06c9cab707030b2227770d18254ef9bd5543b5cde2f3c","target":"record","created_at":"2026-06-04T00:06:51Z","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":"4ce00d48b5f62b435888d85f8549139940dc62e2e9f2ea9dfab49041bf572162","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2026-06-02T18:33:55Z","title_canon_sha256":"67c89ab1704a8475fdce0f148527cc8bc6cc701588f25116763af16dbdb99cce"},"schema_version":"1.0","source":{"id":"2606.04124","kind":"arxiv","version":1}},"canonical_sha256":"7a3a5b13d4a334ae76eb6f483ce7729bc4af5552fe22066c5a595dbcd548f6b8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7a3a5b13d4a334ae76eb6f483ce7729bc4af5552fe22066c5a595dbcd548f6b8","first_computed_at":"2026-06-04T00:06:51.265546Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-04T00:06:51.265546Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Vx/hFvEYf9H67CyN4l8MGz7HV5XW3ReKroo37ERL1PDyc3K3PQRKyzZgwjjyEQ9bHowoPYUlaU7hG+xS3UYrDA==","signature_status":"signed_v1","signed_at":"2026-06-04T00:06:51.266030Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.04124","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bec5b425a1ea7104fae06c9cab707030b2227770d18254ef9bd5543b5cde2f3c","sha256:545f41db41c1bd21851ea295e8e32d2298a320cc6ce7b38b85b50c8a6dfddb94"],"state_sha256":"5c9125a9f8343a20f3d31c8c356950848bc6ae63a2f6d253e72d7b503892b00d"}