{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:6FZQF6HWFOJSAB6DS6AW6EPAJJ","short_pith_number":"pith:6FZQF6HW","canonical_record":{"source":{"id":"2607.20601","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-22T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"5b9c42582517ef9acc7a6877411270d849c80b51c954fc33eed1f476fe26213b","abstract_canon_sha256":"f80316ed95bca47f3254ca00fd07deccf8ed4263d435e5ebfacd40b335c90ee0"},"schema_version":"1.0"},"canonical_sha256":"f17302f8f62b932007c397816f11e04a75a475660275f9fc06015de191cf9fad","source":{"kind":"arxiv","id":"2607.20601","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.20601","created_at":"2026-07-24T00:23:24Z"},{"alias_kind":"arxiv_version","alias_value":"2607.20601v1","created_at":"2026-07-24T00:23:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.20601","created_at":"2026-07-24T00:23:24Z"},{"alias_kind":"pith_short_12","alias_value":"6FZQF6HWFOJS","created_at":"2026-07-24T00:23:24Z"},{"alias_kind":"pith_short_16","alias_value":"6FZQF6HWFOJSAB6D","created_at":"2026-07-24T00:23:24Z"},{"alias_kind":"pith_short_8","alias_value":"6FZQF6HW","created_at":"2026-07-24T00:23:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:6FZQF6HWFOJSAB6DS6AW6EPAJJ","target":"record","payload":{"canonical_record":{"source":{"id":"2607.20601","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-22T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"5b9c42582517ef9acc7a6877411270d849c80b51c954fc33eed1f476fe26213b","abstract_canon_sha256":"f80316ed95bca47f3254ca00fd07deccf8ed4263d435e5ebfacd40b335c90ee0"},"schema_version":"1.0"},"canonical_sha256":"f17302f8f62b932007c397816f11e04a75a475660275f9fc06015de191cf9fad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-24T00:23:24.729099Z","signature_b64":"mDjMzW4M/gn9diI09iYJRMKqB4B6tSfPpi2fWuAyKbKBM25xyV0zweGDf6KHFEoSsRYkrFQA1AbZWpjmLZw/AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f17302f8f62b932007c397816f11e04a75a475660275f9fc06015de191cf9fad","last_reissued_at":"2026-07-24T00:23:24.728254Z","signature_status":"signed_v1","first_computed_at":"2026-07-24T00:23:24.728254Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.20601","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-24T00:23:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gqWZsrzMByoUKG0DtDQNeP0f+cY2nKBzxlFR7j7gXrAKqUA78xSsZllDpVD9/ct8fB43xRclZwKCjJps+3bPCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T06:47:21.879583Z"},"content_sha256":"1a0f0de7994d2d6a305ed2965fe389a1719c14a3172caedde74ee05fa328b7d6","schema_version":"1.0","event_id":"sha256:1a0f0de7994d2d6a305ed2965fe389a1719c14a3172caedde74ee05fa328b7d6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:6FZQF6HWFOJSAB6DS6AW6EPAJJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A New Model for the Milky Way Halo Dispersion Measure with the ENGAWA Simulations: Low DMs and Large Anisotropy","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Liam Connor, Ralf M. Konietzka, Samuel McCarty, Scott Lucchini","submitted_at":"2026-07-22T18:00:00Z","abstract_excerpt":"Fast radio burst (FRB) dispersion measures (DMs) are powerful tracers of the low density universe, but interpretation is made difficult by the integrated nature of DM. In this paper, we analyze the new ENGAWA cosmological zoom-in simulation suite to constrain the DM contribution from the Milky Way (MW) halo. The ENGAWA simulations consist of four Milky Way-like galaxies with enhanced resolution in the circumgalactic medium, making them an excellent tool to probe the properties of the gaseous halo. The median all-sky DM from the galactic halos in ENGAWA span 19-39 pc cm$^{-3}$, varying even at "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.20601","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2607.20601/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-24T00:23:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qOlRdLV5qh+6ijuLWcgse9lEE9WF3fnTwlhk5txGFQqb7+PFyIKrLW1DotcVz4VQsQFug8lGB2tZQ+s3k/OlCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T06:47:21.880089Z"},"content_sha256":"d40c4f9497dbb69ad33b996a931f1f405a93fa51387457fd10c84b555bbe8126","schema_version":"1.0","event_id":"sha256:d40c4f9497dbb69ad33b996a931f1f405a93fa51387457fd10c84b555bbe8126"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6FZQF6HWFOJSAB6DS6AW6EPAJJ/bundle.json","state_url":"https://pith.science/pith/6FZQF6HWFOJSAB6DS6AW6EPAJJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6FZQF6HWFOJSAB6DS6AW6EPAJJ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-06T06:47:21Z","links":{"resolver":"https://pith.science/pith/6FZQF6HWFOJSAB6DS6AW6EPAJJ","bundle":"https://pith.science/pith/6FZQF6HWFOJSAB6DS6AW6EPAJJ/bundle.json","state":"https://pith.science/pith/6FZQF6HWFOJSAB6DS6AW6EPAJJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6FZQF6HWFOJSAB6DS6AW6EPAJJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:6FZQF6HWFOJSAB6DS6AW6EPAJJ","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":"f80316ed95bca47f3254ca00fd07deccf8ed4263d435e5ebfacd40b335c90ee0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-22T18:00:00Z","title_canon_sha256":"5b9c42582517ef9acc7a6877411270d849c80b51c954fc33eed1f476fe26213b"},"schema_version":"1.0","source":{"id":"2607.20601","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.20601","created_at":"2026-07-24T00:23:24Z"},{"alias_kind":"arxiv_version","alias_value":"2607.20601v1","created_at":"2026-07-24T00:23:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.20601","created_at":"2026-07-24T00:23:24Z"},{"alias_kind":"pith_short_12","alias_value":"6FZQF6HWFOJS","created_at":"2026-07-24T00:23:24Z"},{"alias_kind":"pith_short_16","alias_value":"6FZQF6HWFOJSAB6D","created_at":"2026-07-24T00:23:24Z"},{"alias_kind":"pith_short_8","alias_value":"6FZQF6HW","created_at":"2026-07-24T00:23:24Z"}],"graph_snapshots":[{"event_id":"sha256:d40c4f9497dbb69ad33b996a931f1f405a93fa51387457fd10c84b555bbe8126","target":"graph","created_at":"2026-07-24T00:23:24Z","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/2607.20601/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fast radio burst (FRB) dispersion measures (DMs) are powerful tracers of the low density universe, but interpretation is made difficult by the integrated nature of DM. In this paper, we analyze the new ENGAWA cosmological zoom-in simulation suite to constrain the DM contribution from the Milky Way (MW) halo. The ENGAWA simulations consist of four Milky Way-like galaxies with enhanced resolution in the circumgalactic medium, making them an excellent tool to probe the properties of the gaseous halo. The median all-sky DM from the galactic halos in ENGAWA span 19-39 pc cm$^{-3}$, varying even at ","authors_text":"Liam Connor, Ralf M. Konietzka, Samuel McCarty, Scott Lucchini","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-22T18:00:00Z","title":"A New Model for the Milky Way Halo Dispersion Measure with the ENGAWA Simulations: Low DMs and Large Anisotropy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.20601","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":"sha256:1a0f0de7994d2d6a305ed2965fe389a1719c14a3172caedde74ee05fa328b7d6","target":"record","created_at":"2026-07-24T00:23:24Z","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":"f80316ed95bca47f3254ca00fd07deccf8ed4263d435e5ebfacd40b335c90ee0","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-22T18:00:00Z","title_canon_sha256":"5b9c42582517ef9acc7a6877411270d849c80b51c954fc33eed1f476fe26213b"},"schema_version":"1.0","source":{"id":"2607.20601","kind":"arxiv","version":1}},"canonical_sha256":"f17302f8f62b932007c397816f11e04a75a475660275f9fc06015de191cf9fad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f17302f8f62b932007c397816f11e04a75a475660275f9fc06015de191cf9fad","first_computed_at":"2026-07-24T00:23:24.728254Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-24T00:23:24.728254Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mDjMzW4M/gn9diI09iYJRMKqB4B6tSfPpi2fWuAyKbKBM25xyV0zweGDf6KHFEoSsRYkrFQA1AbZWpjmLZw/AA==","signature_status":"signed_v1","signed_at":"2026-07-24T00:23:24.729099Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.20601","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1a0f0de7994d2d6a305ed2965fe389a1719c14a3172caedde74ee05fa328b7d6","sha256:d40c4f9497dbb69ad33b996a931f1f405a93fa51387457fd10c84b555bbe8126"],"state_sha256":"10186c1d4515c9810820143282f1293b4eaecb4361b9516bdedc25a3506d6583"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"W2FKklHp6Ig18LXaM9CkIlb5/3QVYeLQnWPCH+kMkgBfxjUIhMRWTExPXTjEiJww+bhaU8VMZBSC8yyrlycyBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T06:47:21.885428Z","bundle_sha256":"5bfdedc665a9f29cb2048ed4360f0657328d497a2ba8f4fa88a23eaa19afef9a"}}