{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:RJMQPUDBP4XKPEJHYY4JKLMVHI","short_pith_number":"pith:RJMQPUDB","canonical_record":{"source":{"id":"1910.04045","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-10-09T15:09:32Z","cross_cats_sorted":[],"title_canon_sha256":"7fa950fd1c40dd2c4aefb535b82a0857c577514e383b1498efda7917f55974c7","abstract_canon_sha256":"1a1fad8133031a7fa11fe679271d01700866078d560623f55a66e26c77c345be"},"schema_version":"1.0"},"canonical_sha256":"8a5907d0617f2ea79127c638952d953a1c863e538c09d3f9e25fc9e4477d75d4","source":{"kind":"arxiv","id":"1910.04045","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.04045","created_at":"2026-07-05T00:13:59Z"},{"alias_kind":"arxiv_version","alias_value":"1910.04045v1","created_at":"2026-07-05T00:13:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.04045","created_at":"2026-07-05T00:13:59Z"},{"alias_kind":"pith_short_12","alias_value":"RJMQPUDBP4XK","created_at":"2026-07-05T00:13:59Z"},{"alias_kind":"pith_short_16","alias_value":"RJMQPUDBP4XKPEJH","created_at":"2026-07-05T00:13:59Z"},{"alias_kind":"pith_short_8","alias_value":"RJMQPUDB","created_at":"2026-07-05T00:13:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:RJMQPUDBP4XKPEJHYY4JKLMVHI","target":"record","payload":{"canonical_record":{"source":{"id":"1910.04045","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-10-09T15:09:32Z","cross_cats_sorted":[],"title_canon_sha256":"7fa950fd1c40dd2c4aefb535b82a0857c577514e383b1498efda7917f55974c7","abstract_canon_sha256":"1a1fad8133031a7fa11fe679271d01700866078d560623f55a66e26c77c345be"},"schema_version":"1.0"},"canonical_sha256":"8a5907d0617f2ea79127c638952d953a1c863e538c09d3f9e25fc9e4477d75d4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:13:59.052602Z","signature_b64":"FDZU0qLqChr6bOaIV8wJFhi1ZBSSAWv6lKnuvAOLN9keAlzZGqj6ztOuIIDcCOEUfjvTIGCjmM15XJjEKMazAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8a5907d0617f2ea79127c638952d953a1c863e538c09d3f9e25fc9e4477d75d4","last_reissued_at":"2026-07-05T00:13:59.052134Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:13:59.052134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1910.04045","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":"2026-07-05T00:13:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vwlx6/HVV6r6j1AGoO9rYWmyaSlQIEWSwS+VTeg1EyoMitQY9jz5cSkjb5kheQvFqHHmddirR1CuAAzJjcvjDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T09:51:16.009790Z"},"content_sha256":"241703e858d4dadc7191ea8f176d8a09a4e0c78ff79f3790f2aab272de4ed07e","schema_version":"1.0","event_id":"sha256:241703e858d4dadc7191ea8f176d8a09a4e0c78ff79f3790f2aab272de4ed07e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:RJMQPUDBP4XKPEJHYY4JKLMVHI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dark matter halo shapes in the Auriga simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Jaime E. Forero-Romero, Jesus Prada, Robert J. J. Grand, Ruediger Pakmor, Volker Springel","submitted_at":"2019-10-09T15:09:32Z","abstract_excerpt":"We present shape measurements of Milky Way-sized dark matter halos at redshift $z=0$ in a suite of 30 zoom simulations from the Auriga project. We compare the results in full magnetohydrodynamics against dark matter only simulations and find a strong influence of baryons in making dark matter haloes rounder at all radii compared to their dark matter only counterparts. At distances $\\lesssim 30$ kpc, rounder dark matter distributions correlate with extended massive stellar discs and low core gas densities. We measure the alignment between the halo and the disc shapes at different radii and find"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.04045","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/1910.04045/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":"2026-07-05T00:13:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VL/8JIm6cvBcY9Q5+mYvgPk4eESKEuak8T2nQxuFLhHDRT0YFeUHg0A7vJfyQGnFF/Zf4wteQVwKp/hhXAbpBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T09:51:16.010671Z"},"content_sha256":"2b08a2f117a9f494c536e7e6eab9ff1ec10a711c07dcba37da185840df764371","schema_version":"1.0","event_id":"sha256:2b08a2f117a9f494c536e7e6eab9ff1ec10a711c07dcba37da185840df764371"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RJMQPUDBP4XKPEJHYY4JKLMVHI/bundle.json","state_url":"https://pith.science/pith/RJMQPUDBP4XKPEJHYY4JKLMVHI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RJMQPUDBP4XKPEJHYY4JKLMVHI/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":"2026-08-01T09:51:16Z","links":{"resolver":"https://pith.science/pith/RJMQPUDBP4XKPEJHYY4JKLMVHI","bundle":"https://pith.science/pith/RJMQPUDBP4XKPEJHYY4JKLMVHI/bundle.json","state":"https://pith.science/pith/RJMQPUDBP4XKPEJHYY4JKLMVHI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RJMQPUDBP4XKPEJHYY4JKLMVHI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:RJMQPUDBP4XKPEJHYY4JKLMVHI","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":"1a1fad8133031a7fa11fe679271d01700866078d560623f55a66e26c77c345be","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-10-09T15:09:32Z","title_canon_sha256":"7fa950fd1c40dd2c4aefb535b82a0857c577514e383b1498efda7917f55974c7"},"schema_version":"1.0","source":{"id":"1910.04045","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.04045","created_at":"2026-07-05T00:13:59Z"},{"alias_kind":"arxiv_version","alias_value":"1910.04045v1","created_at":"2026-07-05T00:13:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.04045","created_at":"2026-07-05T00:13:59Z"},{"alias_kind":"pith_short_12","alias_value":"RJMQPUDBP4XK","created_at":"2026-07-05T00:13:59Z"},{"alias_kind":"pith_short_16","alias_value":"RJMQPUDBP4XKPEJH","created_at":"2026-07-05T00:13:59Z"},{"alias_kind":"pith_short_8","alias_value":"RJMQPUDB","created_at":"2026-07-05T00:13:59Z"}],"graph_snapshots":[{"event_id":"sha256:2b08a2f117a9f494c536e7e6eab9ff1ec10a711c07dcba37da185840df764371","target":"graph","created_at":"2026-07-05T00:13:59Z","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/1910.04045/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present shape measurements of Milky Way-sized dark matter halos at redshift $z=0$ in a suite of 30 zoom simulations from the Auriga project. We compare the results in full magnetohydrodynamics against dark matter only simulations and find a strong influence of baryons in making dark matter haloes rounder at all radii compared to their dark matter only counterparts. At distances $\\lesssim 30$ kpc, rounder dark matter distributions correlate with extended massive stellar discs and low core gas densities. We measure the alignment between the halo and the disc shapes at different radii and find","authors_text":"Jaime E. Forero-Romero, Jesus Prada, Robert J. J. Grand, Ruediger Pakmor, Volker Springel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-10-09T15:09:32Z","title":"Dark matter halo shapes in the Auriga simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.04045","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":"sha256:241703e858d4dadc7191ea8f176d8a09a4e0c78ff79f3790f2aab272de4ed07e","target":"record","created_at":"2026-07-05T00:13:59Z","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":"1a1fad8133031a7fa11fe679271d01700866078d560623f55a66e26c77c345be","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-10-09T15:09:32Z","title_canon_sha256":"7fa950fd1c40dd2c4aefb535b82a0857c577514e383b1498efda7917f55974c7"},"schema_version":"1.0","source":{"id":"1910.04045","kind":"arxiv","version":1}},"canonical_sha256":"8a5907d0617f2ea79127c638952d953a1c863e538c09d3f9e25fc9e4477d75d4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8a5907d0617f2ea79127c638952d953a1c863e538c09d3f9e25fc9e4477d75d4","first_computed_at":"2026-07-05T00:13:59.052134Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:13:59.052134Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FDZU0qLqChr6bOaIV8wJFhi1ZBSSAWv6lKnuvAOLN9keAlzZGqj6ztOuIIDcCOEUfjvTIGCjmM15XJjEKMazAw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:13:59.052602Z","signed_message":"canonical_sha256_bytes"},"source_id":"1910.04045","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:241703e858d4dadc7191ea8f176d8a09a4e0c78ff79f3790f2aab272de4ed07e","sha256:2b08a2f117a9f494c536e7e6eab9ff1ec10a711c07dcba37da185840df764371"],"state_sha256":"af080268c4bdb39d12de95a4edef8369431a90d01fbe7b83cb93072f57070785"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HJ7Dkd+LmZrVq1LuLTjBCTXGGYUhwkeXyYKX+VpHes3akdGsPweTBG8ab21vuDwUccXl56q1vnNhP4rmJPcvCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T09:51:16.019855Z","bundle_sha256":"0f47d2c132a6aa05c37ca8b1f27de343147f11f3c34a71235b11573d271aa01b"}}