{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:F3IEAG4UXAWNDBGN5HBVCJXJEG","short_pith_number":"pith:F3IEAG4U","canonical_record":{"source":{"id":"1504.00362","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-04-01T20:00:35Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE","astro-ph.IM"],"title_canon_sha256":"e097e1064cdb449c7ac8b52da5793c8061beef420966f44a3365c1b9444eea81","abstract_canon_sha256":"046ebc1bb87698ad09f2a8a94050a8b8189495a641b145618f92d5d3ae96d97e"},"schema_version":"1.0"},"canonical_sha256":"2ed0401b94b82cd184cde9c35126e921b724354b9296a7bfd0dd4e8bfe223e25","source":{"kind":"arxiv","id":"1504.00362","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.00362","created_at":"2026-05-18T01:29:02Z"},{"alias_kind":"arxiv_version","alias_value":"1504.00362v2","created_at":"2026-05-18T01:29:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.00362","created_at":"2026-05-18T01:29:02Z"},{"alias_kind":"pith_short_12","alias_value":"F3IEAG4UXAWN","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"F3IEAG4UXAWNDBGN","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"F3IEAG4U","created_at":"2026-05-18T12:29:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:F3IEAG4UXAWNDBGN5HBVCJXJEG","target":"record","payload":{"canonical_record":{"source":{"id":"1504.00362","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-04-01T20:00:35Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE","astro-ph.IM"],"title_canon_sha256":"e097e1064cdb449c7ac8b52da5793c8061beef420966f44a3365c1b9444eea81","abstract_canon_sha256":"046ebc1bb87698ad09f2a8a94050a8b8189495a641b145618f92d5d3ae96d97e"},"schema_version":"1.0"},"canonical_sha256":"2ed0401b94b82cd184cde9c35126e921b724354b9296a7bfd0dd4e8bfe223e25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:29:02.472326Z","signature_b64":"V69axQU56zVGp2wq5SXVr3XP99ryaKF7idMH0ZoqABO853FAG2B9pxeljAYphDNgKCFunhd/uZl85ThD5A9aDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ed0401b94b82cd184cde9c35126e921b724354b9296a7bfd0dd4e8bfe223e25","last_reissued_at":"2026-05-18T01:29:02.471643Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:29:02.471643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1504.00362","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":"2026-05-18T01:29:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wXGBIOQXP0MrCtoUL9qnHp+2EDbMO8iJIDXIbvYJnMqwwOHr2GpUvVjg5VzfGqON26dAQKqW5e/ss/g8zWH9Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:27:23.451212Z"},"content_sha256":"9d49c2d1597315b64d805aba882df0c545c40d5301954913e12cc800b4647356","schema_version":"1.0","event_id":"sha256:9d49c2d1597315b64d805aba882df0c545c40d5301954913e12cc800b4647356"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:F3IEAG4UXAWNDBGN5HBVCJXJEG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Illustris Simulation: Public Data Release","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.HE","astro-ph.IM"],"primary_cat":"astro-ph.CO","authors_text":"Annalisa Pillepich (CfA), Brendan Griffen (MIT), Dandan Xu (HITS), Debora Sijacki (Cambridge), Dylan Nelson (CfA), Federico Marinacci (MIT), Gregory F. Snyder (STScI), Lars Hernquist (CfA), Laura Blecha (Maryland), Laura Sales (UC Riverside), Mark Vogelsberger (MIT), Paul Torrey (MIT), Shy Genel (Columbia), Vicente Rodriguez-Gomez (CfA), Volker Springel (HITS)","submitted_at":"2015-04-01T20:00:35Z","abstract_excerpt":"We present the full public release of all data from the Illustris simulation project. Illustris is a suite of large volume, cosmological hydrodynamical simulations run with the moving-mesh code Arepo and including a comprehensive set of physical models critical for following the formation and evolution of galaxies across cosmic time. Each simulates a volume of (106.5 Mpc)^3 and self-consistently evolves five different types of resolution elements from a starting redshift of z=127 to the present day, z=0. These components are: dark matter particles, gas cells, passive gas tracers, stars and ste"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.00362","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":"2026-05-18T01:29:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/T8QblvTvineoxk3ECDsyn/PRsUximUjm4k+80R1MoD7F+Jmrx/CZa/of7N/cq384SBfBTgCoEwWz4iLRbBqBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:27:23.451703Z"},"content_sha256":"84568093577b5293c1eb3d6c449d23aed030e2584e90febafed2d59b3fd1eefe","schema_version":"1.0","event_id":"sha256:84568093577b5293c1eb3d6c449d23aed030e2584e90febafed2d59b3fd1eefe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F3IEAG4UXAWNDBGN5HBVCJXJEG/bundle.json","state_url":"https://pith.science/pith/F3IEAG4UXAWNDBGN5HBVCJXJEG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F3IEAG4UXAWNDBGN5HBVCJXJEG/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":"2026-05-27T18:27:23Z","links":{"resolver":"https://pith.science/pith/F3IEAG4UXAWNDBGN5HBVCJXJEG","bundle":"https://pith.science/pith/F3IEAG4UXAWNDBGN5HBVCJXJEG/bundle.json","state":"https://pith.science/pith/F3IEAG4UXAWNDBGN5HBVCJXJEG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F3IEAG4UXAWNDBGN5HBVCJXJEG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:F3IEAG4UXAWNDBGN5HBVCJXJEG","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":"046ebc1bb87698ad09f2a8a94050a8b8189495a641b145618f92d5d3ae96d97e","cross_cats_sorted":["astro-ph.GA","astro-ph.HE","astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-04-01T20:00:35Z","title_canon_sha256":"e097e1064cdb449c7ac8b52da5793c8061beef420966f44a3365c1b9444eea81"},"schema_version":"1.0","source":{"id":"1504.00362","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1504.00362","created_at":"2026-05-18T01:29:02Z"},{"alias_kind":"arxiv_version","alias_value":"1504.00362v2","created_at":"2026-05-18T01:29:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1504.00362","created_at":"2026-05-18T01:29:02Z"},{"alias_kind":"pith_short_12","alias_value":"F3IEAG4UXAWN","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_16","alias_value":"F3IEAG4UXAWNDBGN","created_at":"2026-05-18T12:29:19Z"},{"alias_kind":"pith_short_8","alias_value":"F3IEAG4U","created_at":"2026-05-18T12:29:19Z"}],"graph_snapshots":[{"event_id":"sha256:84568093577b5293c1eb3d6c449d23aed030e2584e90febafed2d59b3fd1eefe","target":"graph","created_at":"2026-05-18T01:29:02Z","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 present the full public release of all data from the Illustris simulation project. Illustris is a suite of large volume, cosmological hydrodynamical simulations run with the moving-mesh code Arepo and including a comprehensive set of physical models critical for following the formation and evolution of galaxies across cosmic time. Each simulates a volume of (106.5 Mpc)^3 and self-consistently evolves five different types of resolution elements from a starting redshift of z=127 to the present day, z=0. These components are: dark matter particles, gas cells, passive gas tracers, stars and ste","authors_text":"Annalisa Pillepich (CfA), Brendan Griffen (MIT), Dandan Xu (HITS), Debora Sijacki (Cambridge), Dylan Nelson (CfA), Federico Marinacci (MIT), Gregory F. Snyder (STScI), Lars Hernquist (CfA), Laura Blecha (Maryland), Laura Sales (UC Riverside), Mark Vogelsberger (MIT), Paul Torrey (MIT), Shy Genel (Columbia), Vicente Rodriguez-Gomez (CfA), Volker Springel (HITS)","cross_cats":["astro-ph.GA","astro-ph.HE","astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-04-01T20:00:35Z","title":"The Illustris Simulation: Public Data Release"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1504.00362","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":"sha256:9d49c2d1597315b64d805aba882df0c545c40d5301954913e12cc800b4647356","target":"record","created_at":"2026-05-18T01:29:02Z","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":"046ebc1bb87698ad09f2a8a94050a8b8189495a641b145618f92d5d3ae96d97e","cross_cats_sorted":["astro-ph.GA","astro-ph.HE","astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2015-04-01T20:00:35Z","title_canon_sha256":"e097e1064cdb449c7ac8b52da5793c8061beef420966f44a3365c1b9444eea81"},"schema_version":"1.0","source":{"id":"1504.00362","kind":"arxiv","version":2}},"canonical_sha256":"2ed0401b94b82cd184cde9c35126e921b724354b9296a7bfd0dd4e8bfe223e25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ed0401b94b82cd184cde9c35126e921b724354b9296a7bfd0dd4e8bfe223e25","first_computed_at":"2026-05-18T01:29:02.471643Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:29:02.471643Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"V69axQU56zVGp2wq5SXVr3XP99ryaKF7idMH0ZoqABO853FAG2B9pxeljAYphDNgKCFunhd/uZl85ThD5A9aDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:29:02.472326Z","signed_message":"canonical_sha256_bytes"},"source_id":"1504.00362","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9d49c2d1597315b64d805aba882df0c545c40d5301954913e12cc800b4647356","sha256:84568093577b5293c1eb3d6c449d23aed030e2584e90febafed2d59b3fd1eefe"],"state_sha256":"0df1531e6c632ed59671c4b3f455dbc7539c21b0a1f1a8c0d9556c3e0e0aaa86"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HBGcofQq8nc/juNAExUs7io+CUD1IKr2Zqy0jZIKYxTDL/ggyK4QmE+dy/BHKoDvgm941Y0QNSp11WXo1DDFDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T18:27:23.454476Z","bundle_sha256":"22eea8b20bb5781c13cf6291509c056f635376f11596b0b32919c3d41cb85415"}}