{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:P2RUJEIVMVAQDV4J3UXK3OMT24","short_pith_number":"pith:P2RUJEIV","canonical_record":{"source":{"id":"1808.04369","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-13T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"47a0ba898cdf064f2c87c2a1c20af191ad85dc0a54d96c7c6e2c4da0b0445549","abstract_canon_sha256":"44a7fde2156490e78dbae6fe241ae15b94c93a348b74b7ca83431d4d5cfdcd49"},"schema_version":"1.0"},"canonical_sha256":"7ea3449115654101d789dd2eadb993d722e4bf6acbe85506031ce85fc0b767d6","source":{"kind":"arxiv","id":"1808.04369","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.04369","created_at":"2026-05-17T23:48:50Z"},{"alias_kind":"arxiv_version","alias_value":"1808.04369v2","created_at":"2026-05-17T23:48:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.04369","created_at":"2026-05-17T23:48:50Z"},{"alias_kind":"pith_short_12","alias_value":"P2RUJEIVMVAQ","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"P2RUJEIVMVAQDV4J","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"P2RUJEIV","created_at":"2026-05-18T12:32:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:P2RUJEIVMVAQDV4J3UXK3OMT24","target":"record","payload":{"canonical_record":{"source":{"id":"1808.04369","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-13T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"47a0ba898cdf064f2c87c2a1c20af191ad85dc0a54d96c7c6e2c4da0b0445549","abstract_canon_sha256":"44a7fde2156490e78dbae6fe241ae15b94c93a348b74b7ca83431d4d5cfdcd49"},"schema_version":"1.0"},"canonical_sha256":"7ea3449115654101d789dd2eadb993d722e4bf6acbe85506031ce85fc0b767d6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:50.856117Z","signature_b64":"mX16IytH86r0Y37DOvOXdrztM0JkWDlHnJeV2SBnuL50m6W74Ced5ePnC9XTlRD6KGeXO276xT+KxzgfjCbyBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7ea3449115654101d789dd2eadb993d722e4bf6acbe85506031ce85fc0b767d6","last_reissued_at":"2026-05-17T23:48:50.855541Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:50.855541Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.04369","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":"2026-05-17T23:48:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CcFluCV2wbhvhrhrPE2VEL8W+ZcPioXVp1iMJZVgtTjtkYNp5Dz2P6PeQG8fUV4sqzKey2ZtXCcQ8ULvZ2yYBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T23:36:57.061346Z"},"content_sha256":"bf1a2c07d0e06b223c14f03625a2dfa5a65234254e0665b5d7ed86a6a89c7994","schema_version":"1.0","event_id":"sha256:bf1a2c07d0e06b223c14f03625a2dfa5a65234254e0665b5d7ed86a6a89c7994"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:P2RUJEIVMVAQDV4J3UXK3OMT24","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmological simulations of the circumgalactic medium with 1 kpc resolution: enhanced HI column densities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"1), 1) ((1) HITS (2) Yale (3) MPA), 2), Frank C. van den Bosch (2), Freeke van de Voort (1, Nir Mandelker (2, R\\\"udiger Pakmor (3, Volker Springel (3","submitted_at":"2018-08-13T18:00:00Z","abstract_excerpt":"The circumgalactic medium (CGM), i.e. the gaseous haloes around galaxies, is both the reservoir of gas that fuels galaxy growth and the repository of gas expelled by galactic winds. Most cosmological, hydrodynamical simulations focus their computational effort on the galaxies themselves and treat the CGM more coarsely, which means small-scale structure cannot be resolved. We get around this issue by running zoom-in simulations of a Milky Way-mass galaxy with standard mass refinement and additional uniform spatial refinement within the virial radius. This results in a detailed view of its gaseo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.04369","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":"2026-05-17T23:48:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nY7O+hePbq+RJd2MEG92ErCrSbNaAGBGHMDIkfDUqJMRWdJQlV4bBVsVXa/xFiwNkE6be9kY2qilrZVtzjalBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T23:36:57.061977Z"},"content_sha256":"99c64a9f37abe07ef5459d727c624c66711c2a763d23b0c799467036de36e277","schema_version":"1.0","event_id":"sha256:99c64a9f37abe07ef5459d727c624c66711c2a763d23b0c799467036de36e277"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P2RUJEIVMVAQDV4J3UXK3OMT24/bundle.json","state_url":"https://pith.science/pith/P2RUJEIVMVAQDV4J3UXK3OMT24/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P2RUJEIVMVAQDV4J3UXK3OMT24/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":"2026-05-30T23:36:57Z","links":{"resolver":"https://pith.science/pith/P2RUJEIVMVAQDV4J3UXK3OMT24","bundle":"https://pith.science/pith/P2RUJEIVMVAQDV4J3UXK3OMT24/bundle.json","state":"https://pith.science/pith/P2RUJEIVMVAQDV4J3UXK3OMT24/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P2RUJEIVMVAQDV4J3UXK3OMT24/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:P2RUJEIVMVAQDV4J3UXK3OMT24","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":"44a7fde2156490e78dbae6fe241ae15b94c93a348b74b7ca83431d4d5cfdcd49","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-13T18:00:00Z","title_canon_sha256":"47a0ba898cdf064f2c87c2a1c20af191ad85dc0a54d96c7c6e2c4da0b0445549"},"schema_version":"1.0","source":{"id":"1808.04369","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.04369","created_at":"2026-05-17T23:48:50Z"},{"alias_kind":"arxiv_version","alias_value":"1808.04369v2","created_at":"2026-05-17T23:48:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.04369","created_at":"2026-05-17T23:48:50Z"},{"alias_kind":"pith_short_12","alias_value":"P2RUJEIVMVAQ","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"P2RUJEIVMVAQDV4J","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"P2RUJEIV","created_at":"2026-05-18T12:32:43Z"}],"graph_snapshots":[{"event_id":"sha256:99c64a9f37abe07ef5459d727c624c66711c2a763d23b0c799467036de36e277","target":"graph","created_at":"2026-05-17T23:48:50Z","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":"The circumgalactic medium (CGM), i.e. the gaseous haloes around galaxies, is both the reservoir of gas that fuels galaxy growth and the repository of gas expelled by galactic winds. Most cosmological, hydrodynamical simulations focus their computational effort on the galaxies themselves and treat the CGM more coarsely, which means small-scale structure cannot be resolved. We get around this issue by running zoom-in simulations of a Milky Way-mass galaxy with standard mass refinement and additional uniform spatial refinement within the virial radius. This results in a detailed view of its gaseo","authors_text":"1), 1) ((1) HITS (2) Yale (3) MPA), 2), Frank C. van den Bosch (2), Freeke van de Voort (1, Nir Mandelker (2, R\\\"udiger Pakmor (3, Volker Springel (3","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-13T18:00:00Z","title":"Cosmological simulations of the circumgalactic medium with 1 kpc resolution: enhanced HI column densities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.04369","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:bf1a2c07d0e06b223c14f03625a2dfa5a65234254e0665b5d7ed86a6a89c7994","target":"record","created_at":"2026-05-17T23:48:50Z","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":"44a7fde2156490e78dbae6fe241ae15b94c93a348b74b7ca83431d4d5cfdcd49","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-13T18:00:00Z","title_canon_sha256":"47a0ba898cdf064f2c87c2a1c20af191ad85dc0a54d96c7c6e2c4da0b0445549"},"schema_version":"1.0","source":{"id":"1808.04369","kind":"arxiv","version":2}},"canonical_sha256":"7ea3449115654101d789dd2eadb993d722e4bf6acbe85506031ce85fc0b767d6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7ea3449115654101d789dd2eadb993d722e4bf6acbe85506031ce85fc0b767d6","first_computed_at":"2026-05-17T23:48:50.855541Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:50.855541Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mX16IytH86r0Y37DOvOXdrztM0JkWDlHnJeV2SBnuL50m6W74Ced5ePnC9XTlRD6KGeXO276xT+KxzgfjCbyBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:50.856117Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.04369","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bf1a2c07d0e06b223c14f03625a2dfa5a65234254e0665b5d7ed86a6a89c7994","sha256:99c64a9f37abe07ef5459d727c624c66711c2a763d23b0c799467036de36e277"],"state_sha256":"8b32914c63a5f138961f7c5153718383d10fa5a637fb4e72dab20c7c35d7e140"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R8ffErx9sJfA1mf/xXl5wXn2RiV1bfgUmVjynEQYB6pYe1LAOm+9tojraCRKLLYnsnsYU5oiLfReBKvsR3VHDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T23:36:57.065014Z","bundle_sha256":"3c86fc99ca85310325b3361a6bd420626fe7df8eef09461f2427148a02675e32"}}