{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ECAKMTIIHDQTGHV2Z3JWWDZFYF","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":"93500393e310bfe72d9f35877a8cf9d7d8a8f81477fd6091119d3124c80d7ada","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-05-04T22:52:34Z","title_canon_sha256":"99fd813cf0baed5df250b5e100d61ec0a0dfbf58b86cffd8e94858b494da4bc3"},"schema_version":"1.0","source":{"id":"1505.00836","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.00836","created_at":"2026-05-18T01:35:48Z"},{"alias_kind":"arxiv_version","alias_value":"1505.00836v2","created_at":"2026-05-18T01:35:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.00836","created_at":"2026-05-18T01:35:48Z"},{"alias_kind":"pith_short_12","alias_value":"ECAKMTIIHDQT","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"ECAKMTIIHDQTGHV2","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"ECAKMTII","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:34fbd62dcbc5fc5543bb55484d98472bf0e9f60fa0c9cb69a380fba17db32b97","target":"graph","created_at":"2026-05-18T01:35:48Z","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 report on multi-frequency, wideband radio observations of the Galactic Center magnetar (SGR 1745$-$2900) with the Green Bank Telescope for $\\sim$100 days immediately following its initial X-ray outburst in April 2013. We made multiple simultaneous observations at 1.5, 2.0, and 8.9 GHz, allowing us to examine the magnetar's flux evolution, radio spectrum, and interstellar medium parameters (such as the dispersion measure (DM), the scattering timescale and its index). During two epochs, we have simultaneous observations from the Chandra X-ray Observatory, which permitted the absolute alignmen","authors_text":"A. Minter, A. Possenti, D. Haggard, F. Coti Zelati, F. K. Baganoff, G. L. Israel, M. Burgay, N. Rea, P. Esposito, T. T. Pennucci","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-05-04T22:52:34Z","title":"Simultaneous Multi-band Radio & X-ray Observations of the Galactic Center Magnetar SGR 1745$-$2900"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.00836","kind":"arxiv","version":2},"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:b9f55664f5ca501b89124fced7745612cfdc8a5506493b34af38933fdf89a31e","target":"record","created_at":"2026-05-18T01:35:48Z","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":"93500393e310bfe72d9f35877a8cf9d7d8a8f81477fd6091119d3124c80d7ada","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-05-04T22:52:34Z","title_canon_sha256":"99fd813cf0baed5df250b5e100d61ec0a0dfbf58b86cffd8e94858b494da4bc3"},"schema_version":"1.0","source":{"id":"1505.00836","kind":"arxiv","version":2}},"canonical_sha256":"2080a64d0838e1331ebaced36b0f25c16759021a69e17e342afaa7190ea154cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2080a64d0838e1331ebaced36b0f25c16759021a69e17e342afaa7190ea154cb","first_computed_at":"2026-05-18T01:35:48.114015Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:48.114015Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"knLZdsUt8kwXKWBNEK/Y0tq7Oz2qiG5XyaUNCeqaEcuAtPgffQRuRNHPsbvigx5muOas4gUt0tbnjWb0VLQyDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:48.114699Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.00836","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b9f55664f5ca501b89124fced7745612cfdc8a5506493b34af38933fdf89a31e","sha256:34fbd62dcbc5fc5543bb55484d98472bf0e9f60fa0c9cb69a380fba17db32b97"],"state_sha256":"d1e71b9d2d2ddd1cf03017b541c9d0c4b06b8abd8cce4bddeb7f49d954202225"}