{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:RRRWWHM6KB6EYVFCHYIMOGXNUE","short_pith_number":"pith:RRRWWHM6","canonical_record":{"source":{"id":"2310.06885","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-10-10T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"0c158bf2b71081920ba7ac370c7c3461846e40c27ed29f24ee59eb1facf1175b","abstract_canon_sha256":"9645b8e1bf266252d25d7dc76db8176f651243ea8f3e45ef42e02cf61c9a03ae"},"schema_version":"1.0"},"canonical_sha256":"8c636b1d9e507c4c54a23e10c71aeda124442cb61c395f7a933ecdf898bfbb49","source":{"kind":"arxiv","id":"2310.06885","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.06885","created_at":"2026-07-05T06:59:37Z"},{"alias_kind":"arxiv_version","alias_value":"2310.06885v1","created_at":"2026-07-05T06:59:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.06885","created_at":"2026-07-05T06:59:37Z"},{"alias_kind":"pith_short_12","alias_value":"RRRWWHM6KB6E","created_at":"2026-07-05T06:59:37Z"},{"alias_kind":"pith_short_16","alias_value":"RRRWWHM6KB6EYVFC","created_at":"2026-07-05T06:59:37Z"},{"alias_kind":"pith_short_8","alias_value":"RRRWWHM6","created_at":"2026-07-05T06:59:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:RRRWWHM6KB6EYVFCHYIMOGXNUE","target":"record","payload":{"canonical_record":{"source":{"id":"2310.06885","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-10-10T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"0c158bf2b71081920ba7ac370c7c3461846e40c27ed29f24ee59eb1facf1175b","abstract_canon_sha256":"9645b8e1bf266252d25d7dc76db8176f651243ea8f3e45ef42e02cf61c9a03ae"},"schema_version":"1.0"},"canonical_sha256":"8c636b1d9e507c4c54a23e10c71aeda124442cb61c395f7a933ecdf898bfbb49","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:59:37.663591Z","signature_b64":"TTISNYSr/4aP06IDPXyUEFZ6hxyLMQdwSv6eBX6g1MRjtwpbz+GoZKvkBr+tupWCCbsfz/jV7m3BA95vtvvKAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8c636b1d9e507c4c54a23e10c71aeda124442cb61c395f7a933ecdf898bfbb49","last_reissued_at":"2026-07-05T06:59:37.663175Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:59:37.663175Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2310.06885","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":"2026-07-05T06:59:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lWq3NMpbKbIDQLdiIewlOO0K1m9wCd1wwQCARpHlwGQINFUW3ggaMicT5baLUBmMoLOMlrRMJTGuuLNigW+SAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T15:50:02.998809Z"},"content_sha256":"7d6d71a37066a68ba653d21c4112ca249dd7cd1d6ec6d2cf939c42ab299972b3","schema_version":"1.0","event_id":"sha256:7d6d71a37066a68ba653d21c4112ca249dd7cd1d6ec6d2cf939c42ab299972b3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:RRRWWHM6KB6EYVFCHYIMOGXNUE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The distribution of stellar orbits in Eagle galaxies -- the effect of mergers, gas accretion, and secular evolution","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Aaron Ludlow, Adriano Poci, Caro Foster, Claudia del P. Lagos, Daniel Walo Martin, Giulia Santucci, Glenn van de Ven, Katherine E. Harborne, Katy L. Proctor, Ling Zhu, Richard McDermid, Sabine Thater","submitted_at":"2023-10-10T18:00:00Z","abstract_excerpt":"The merger history of a galaxy is thought to be one of the major factors determining its internal dynamics, with galaxies having undergone different types or mergers (e.g. dry, minor or major mergers) predicted to show different dynamical properties. We study the instantaneous orbital distribution of galaxies in the Eagle simulation, colouring the orbits of the stellar particles by their stellar age, in order to understand whether stars form in particular orbits (e.g. in a thin or thick disc). We first show that Eagle reproduces well the observed stellar mass fractions in different stellar orb"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.06885","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/2310.06885/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":"2026-07-05T06:59:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qzOD6JRde8hLZNBQFY/kxOWfhfRRoyu662cA7pf3sJLKCXXT0xocoYQwUeUOpyPsBatQC8yKDmdk1GOOLRbWAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T15:50:02.999180Z"},"content_sha256":"3f9f9bda102e2892c56b7b4036fae91a8bf72c1d8da4de26a157af4afa038d42","schema_version":"1.0","event_id":"sha256:3f9f9bda102e2892c56b7b4036fae91a8bf72c1d8da4de26a157af4afa038d42"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RRRWWHM6KB6EYVFCHYIMOGXNUE/bundle.json","state_url":"https://pith.science/pith/RRRWWHM6KB6EYVFCHYIMOGXNUE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RRRWWHM6KB6EYVFCHYIMOGXNUE/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":"2026-07-06T15:50:03Z","links":{"resolver":"https://pith.science/pith/RRRWWHM6KB6EYVFCHYIMOGXNUE","bundle":"https://pith.science/pith/RRRWWHM6KB6EYVFCHYIMOGXNUE/bundle.json","state":"https://pith.science/pith/RRRWWHM6KB6EYVFCHYIMOGXNUE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RRRWWHM6KB6EYVFCHYIMOGXNUE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:RRRWWHM6KB6EYVFCHYIMOGXNUE","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":"9645b8e1bf266252d25d7dc76db8176f651243ea8f3e45ef42e02cf61c9a03ae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-10-10T18:00:00Z","title_canon_sha256":"0c158bf2b71081920ba7ac370c7c3461846e40c27ed29f24ee59eb1facf1175b"},"schema_version":"1.0","source":{"id":"2310.06885","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2310.06885","created_at":"2026-07-05T06:59:37Z"},{"alias_kind":"arxiv_version","alias_value":"2310.06885v1","created_at":"2026-07-05T06:59:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.06885","created_at":"2026-07-05T06:59:37Z"},{"alias_kind":"pith_short_12","alias_value":"RRRWWHM6KB6E","created_at":"2026-07-05T06:59:37Z"},{"alias_kind":"pith_short_16","alias_value":"RRRWWHM6KB6EYVFC","created_at":"2026-07-05T06:59:37Z"},{"alias_kind":"pith_short_8","alias_value":"RRRWWHM6","created_at":"2026-07-05T06:59:37Z"}],"graph_snapshots":[{"event_id":"sha256:3f9f9bda102e2892c56b7b4036fae91a8bf72c1d8da4de26a157af4afa038d42","target":"graph","created_at":"2026-07-05T06:59:37Z","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/2310.06885/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The merger history of a galaxy is thought to be one of the major factors determining its internal dynamics, with galaxies having undergone different types or mergers (e.g. dry, minor or major mergers) predicted to show different dynamical properties. We study the instantaneous orbital distribution of galaxies in the Eagle simulation, colouring the orbits of the stellar particles by their stellar age, in order to understand whether stars form in particular orbits (e.g. in a thin or thick disc). We first show that Eagle reproduces well the observed stellar mass fractions in different stellar orb","authors_text":"Aaron Ludlow, Adriano Poci, Caro Foster, Claudia del P. Lagos, Daniel Walo Martin, Giulia Santucci, Glenn van de Ven, Katherine E. Harborne, Katy L. Proctor, Ling Zhu, Richard McDermid, Sabine Thater","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-10-10T18:00:00Z","title":"The distribution of stellar orbits in Eagle galaxies -- the effect of mergers, gas accretion, and secular evolution"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.06885","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":"sha256:7d6d71a37066a68ba653d21c4112ca249dd7cd1d6ec6d2cf939c42ab299972b3","target":"record","created_at":"2026-07-05T06:59:37Z","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":"9645b8e1bf266252d25d7dc76db8176f651243ea8f3e45ef42e02cf61c9a03ae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-10-10T18:00:00Z","title_canon_sha256":"0c158bf2b71081920ba7ac370c7c3461846e40c27ed29f24ee59eb1facf1175b"},"schema_version":"1.0","source":{"id":"2310.06885","kind":"arxiv","version":1}},"canonical_sha256":"8c636b1d9e507c4c54a23e10c71aeda124442cb61c395f7a933ecdf898bfbb49","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8c636b1d9e507c4c54a23e10c71aeda124442cb61c395f7a933ecdf898bfbb49","first_computed_at":"2026-07-05T06:59:37.663175Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:59:37.663175Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TTISNYSr/4aP06IDPXyUEFZ6hxyLMQdwSv6eBX6g1MRjtwpbz+GoZKvkBr+tupWCCbsfz/jV7m3BA95vtvvKAw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:59:37.663591Z","signed_message":"canonical_sha256_bytes"},"source_id":"2310.06885","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7d6d71a37066a68ba653d21c4112ca249dd7cd1d6ec6d2cf939c42ab299972b3","sha256:3f9f9bda102e2892c56b7b4036fae91a8bf72c1d8da4de26a157af4afa038d42"],"state_sha256":"1352b7ce94ec33e7bda87caeaa550f7f6c20bfd580332be012e1aa44d51ea1e0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HzoRFnI1d7+jkJs5qIYTrfGhHy8zJ0jDatuV6fiZmNEB8bXrEHuwY2NWRLuR7aSjn+VjhSJ/YYd0a7jvSIe0DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T15:50:03.001194Z","bundle_sha256":"f04b4ed5fd4ce02120f248dbcc33e212ccbb9040d5a73e09213db9a0ac0dc36e"}}