{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:5R6SVZXSWK2277Q4TCMJRPHNZR","short_pith_number":"pith:5R6SVZXS","canonical_record":{"source":{"id":"1804.07798","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-20T18:58:18Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"e66dabb8dcc4829bff417f0a0fd2afb081f89abed71726d7a96f7ee0d781d259","abstract_canon_sha256":"fda1af1a90a642bada96e68d8e5af343fe930c6cd3c36caf76bb92dc6fc4cc48"},"schema_version":"1.0"},"canonical_sha256":"ec7d2ae6f2b2b5affe1c989898bcedcc41f2c03b286a2cd3626d36150631bc65","source":{"kind":"arxiv","id":"1804.07798","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.07798","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"arxiv_version","alias_value":"1804.07798v2","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.07798","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"pith_short_12","alias_value":"5R6SVZXSWK22","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5R6SVZXSWK2277Q4","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5R6SVZXS","created_at":"2026-05-18T12:32:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:5R6SVZXSWK2277Q4TCMJRPHNZR","target":"record","payload":{"canonical_record":{"source":{"id":"1804.07798","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-20T18:58:18Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"e66dabb8dcc4829bff417f0a0fd2afb081f89abed71726d7a96f7ee0d781d259","abstract_canon_sha256":"fda1af1a90a642bada96e68d8e5af343fe930c6cd3c36caf76bb92dc6fc4cc48"},"schema_version":"1.0"},"canonical_sha256":"ec7d2ae6f2b2b5affe1c989898bcedcc41f2c03b286a2cd3626d36150631bc65","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:07.791167Z","signature_b64":"T3nW5sro2A+mfkWhXLNQMZYLYN7wZwVNU1dq00pxfJ+koHA8bzAVRjX6KdHtbydr0RHQd9AJ2SJXrd8p5wUCCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ec7d2ae6f2b2b5affe1c989898bcedcc41f2c03b286a2cd3626d36150631bc65","last_reissued_at":"2026-05-17T23:52:07.790787Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:07.790787Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.07798","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:52:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sWGXsXNRcMOBHTSjvarF/yD2wmmq5fvFlqQJsKkvONzLyIklePMmE77tz97ieYF1H6MFqlmNdl7MNrUmKA85BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T16:06:02.293105Z"},"content_sha256":"25d516e5b816f89818b75af639bbe8a109b1e86428635fc4f0eb191cd6247b57","schema_version":"1.0","event_id":"sha256:25d516e5b816f89818b75af639bbe8a109b1e86428635fc4f0eb191cd6247b57"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:5R6SVZXSWK2277Q4TCMJRPHNZR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Auriga Stellar Haloes: Connecting stellar population properties with accretion and merging history","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Antonela Monachesi, Carlos S. Frenk, Christine M. Simpson, Facundo A. G\\'omez, Federico Marinacci, Guinevere Kauffmann, Patricia B. Tissera, Robert J. J. Grand, R\\\"udiger Pakmor, Sebasti\\'an Bustamante, Simon D. M. White, Volker Springel","submitted_at":"2018-04-20T18:58:18Z","abstract_excerpt":"We examine the stellar haloes of the Auriga simulations, a suite of thirty cosmological magneto-hydrodynamical high-resolution simulations of Milky Way-mass galaxies performed with the moving-mesh code AREPO. We study halo global properties and radial profiles out to $\\sim 150$ kpc for each individual galaxy. The Auriga haloes are diverse in their masses and density profiles; mean metallicity and metallicity gradients; ages; and shapes, reflecting the stochasticity inherent in their accretion and merger histories. A comparison with observations of nearby late-type galaxies shows very good agre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.07798","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"2026-05-17T23:52:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HnMx7sD9HUdPYFV6jc8XDK4W6rbLVWs6tl9j7lH4jc/QZ5Ac8W+pEBdefHU/DuzkGP7doyw3fHucz0fuMeWgBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T16:06:02.293803Z"},"content_sha256":"020d3c1c7abda9f57d7fb08e2bbcbe4c4d41c859e10dfb062937c64038f0f910","schema_version":"1.0","event_id":"sha256:020d3c1c7abda9f57d7fb08e2bbcbe4c4d41c859e10dfb062937c64038f0f910"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5R6SVZXSWK2277Q4TCMJRPHNZR/bundle.json","state_url":"https://pith.science/pith/5R6SVZXSWK2277Q4TCMJRPHNZR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5R6SVZXSWK2277Q4TCMJRPHNZR/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":"2026-05-26T16:06:02Z","links":{"resolver":"https://pith.science/pith/5R6SVZXSWK2277Q4TCMJRPHNZR","bundle":"https://pith.science/pith/5R6SVZXSWK2277Q4TCMJRPHNZR/bundle.json","state":"https://pith.science/pith/5R6SVZXSWK2277Q4TCMJRPHNZR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5R6SVZXSWK2277Q4TCMJRPHNZR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:5R6SVZXSWK2277Q4TCMJRPHNZR","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":"fda1af1a90a642bada96e68d8e5af343fe930c6cd3c36caf76bb92dc6fc4cc48","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-20T18:58:18Z","title_canon_sha256":"e66dabb8dcc4829bff417f0a0fd2afb081f89abed71726d7a96f7ee0d781d259"},"schema_version":"1.0","source":{"id":"1804.07798","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.07798","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"arxiv_version","alias_value":"1804.07798v2","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.07798","created_at":"2026-05-17T23:52:07Z"},{"alias_kind":"pith_short_12","alias_value":"5R6SVZXSWK22","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_16","alias_value":"5R6SVZXSWK2277Q4","created_at":"2026-05-18T12:32:08Z"},{"alias_kind":"pith_short_8","alias_value":"5R6SVZXS","created_at":"2026-05-18T12:32:08Z"}],"graph_snapshots":[{"event_id":"sha256:020d3c1c7abda9f57d7fb08e2bbcbe4c4d41c859e10dfb062937c64038f0f910","target":"graph","created_at":"2026-05-17T23:52:07Z","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 examine the stellar haloes of the Auriga simulations, a suite of thirty cosmological magneto-hydrodynamical high-resolution simulations of Milky Way-mass galaxies performed with the moving-mesh code AREPO. We study halo global properties and radial profiles out to $\\sim 150$ kpc for each individual galaxy. The Auriga haloes are diverse in their masses and density profiles; mean metallicity and metallicity gradients; ages; and shapes, reflecting the stochasticity inherent in their accretion and merger histories. A comparison with observations of nearby late-type galaxies shows very good agre","authors_text":"Antonela Monachesi, Carlos S. Frenk, Christine M. Simpson, Facundo A. G\\'omez, Federico Marinacci, Guinevere Kauffmann, Patricia B. Tissera, Robert J. J. Grand, R\\\"udiger Pakmor, Sebasti\\'an Bustamante, Simon D. M. White, Volker Springel","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-20T18:58:18Z","title":"The Auriga Stellar Haloes: Connecting stellar population properties with accretion and merging history"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.07798","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":"sha256:25d516e5b816f89818b75af639bbe8a109b1e86428635fc4f0eb191cd6247b57","target":"record","created_at":"2026-05-17T23:52:07Z","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":"fda1af1a90a642bada96e68d8e5af343fe930c6cd3c36caf76bb92dc6fc4cc48","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-04-20T18:58:18Z","title_canon_sha256":"e66dabb8dcc4829bff417f0a0fd2afb081f89abed71726d7a96f7ee0d781d259"},"schema_version":"1.0","source":{"id":"1804.07798","kind":"arxiv","version":2}},"canonical_sha256":"ec7d2ae6f2b2b5affe1c989898bcedcc41f2c03b286a2cd3626d36150631bc65","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ec7d2ae6f2b2b5affe1c989898bcedcc41f2c03b286a2cd3626d36150631bc65","first_computed_at":"2026-05-17T23:52:07.790787Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:07.790787Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"T3nW5sro2A+mfkWhXLNQMZYLYN7wZwVNU1dq00pxfJ+koHA8bzAVRjX6KdHtbydr0RHQd9AJ2SJXrd8p5wUCCA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:07.791167Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.07798","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:25d516e5b816f89818b75af639bbe8a109b1e86428635fc4f0eb191cd6247b57","sha256:020d3c1c7abda9f57d7fb08e2bbcbe4c4d41c859e10dfb062937c64038f0f910"],"state_sha256":"807e98b200594a49d933c1f3672b9dff95521a3803a017684aa77015d7eebac0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fm4ATRqpxaR8MIP+gjyBMPaP0TKKddiwhCuMPZAqfwxSKG2i7r1VYx7bFPiMXMr8wfY8s0g704FArNDf2gRqCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T16:06:02.297196Z","bundle_sha256":"33a8b21f579101528ef08d7c11063d59e1b3a8327279e6ec0055a2939733a5ce"}}