{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:3YM6NWJZBCLIF5272YOQLDCEZQ","short_pith_number":"pith:3YM6NWJZ","canonical_record":{"source":{"id":"2407.13735","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-07-18T17:40:38Z","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"title_canon_sha256":"b548764ac074cdd5ef3811f5ef8f8934b46c13577ba2db253b4dcaacc6acc6df","abstract_canon_sha256":"f3df37725a1c019399269d9a9fbfdda572876114d602025abbcc7625fffc3a52"},"schema_version":"1.0"},"canonical_sha256":"de19e6d939089682f75fd61d058c44cc3fbc6a34df17e52dff15910fb5d6bc92","source":{"kind":"arxiv","id":"2407.13735","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.13735","created_at":"2026-07-05T08:45:43Z"},{"alias_kind":"arxiv_version","alias_value":"2407.13735v1","created_at":"2026-07-05T08:45:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.13735","created_at":"2026-07-05T08:45:43Z"},{"alias_kind":"pith_short_12","alias_value":"3YM6NWJZBCLI","created_at":"2026-07-05T08:45:43Z"},{"alias_kind":"pith_short_16","alias_value":"3YM6NWJZBCLIF527","created_at":"2026-07-05T08:45:43Z"},{"alias_kind":"pith_short_8","alias_value":"3YM6NWJZ","created_at":"2026-07-05T08:45:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:3YM6NWJZBCLIF5272YOQLDCEZQ","target":"record","payload":{"canonical_record":{"source":{"id":"2407.13735","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-07-18T17:40:38Z","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"title_canon_sha256":"b548764ac074cdd5ef3811f5ef8f8934b46c13577ba2db253b4dcaacc6acc6df","abstract_canon_sha256":"f3df37725a1c019399269d9a9fbfdda572876114d602025abbcc7625fffc3a52"},"schema_version":"1.0"},"canonical_sha256":"de19e6d939089682f75fd61d058c44cc3fbc6a34df17e52dff15910fb5d6bc92","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:45:43.081562Z","signature_b64":"sHWFiprq+qpN4JKx/f3S7iFOSm39GFWT/qQ2gXJa0nZJwSqFw9oQC5YkpG2zWm5g+4jTgvr3sUk45c7ECmlbBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"de19e6d939089682f75fd61d058c44cc3fbc6a34df17e52dff15910fb5d6bc92","last_reissued_at":"2026-07-05T08:45:43.081201Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:45:43.081201Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.13735","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":"2026-07-05T08:45:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5uKG11hVxnYzLlN3eQT0dSp9CSDefpg0OClgtOH7COqVtQ83xWB27mMnWC4+bE33ZyLLsNWqlHcsRqBloKAdAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T14:16:27.611111Z"},"content_sha256":"b68f4ebab7a1d21ee8211192058f9af1f5d6a859d4dba4d4623ee3fb7a8c6f62","schema_version":"1.0","event_id":"sha256:b68f4ebab7a1d21ee8211192058f9af1f5d6a859d4dba4d4623ee3fb7a8c6f62"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:3YM6NWJZBCLIF5272YOQLDCEZQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Predicting dark matter halo masses from simulated galaxy images and environments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.IM"],"primary_cat":"astro-ph.CO","authors_text":"Austin J. Larson, Craig Jones, John F. Wu","submitted_at":"2024-07-18T17:40:38Z","abstract_excerpt":"Galaxies are theorized to form and co-evolve with their dark matter halos, such that their stellar masses and halo masses should be well-correlated. However, it is not known whether other observable galaxy features, such as their morphologies or large-scale environments, can be used to tighten the correlation between galaxy properties and halo masses. In this work, we train a baseline random forest model to predict halo mass using galaxy features from the Illustris TNG50 hydrodynamical simulation, and compare with convolutional neural networks (CNNs) and graph neural networks (GNNs) trained re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.13735","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/2407.13735/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":"2026-07-05T08:45:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Jvu0E1WSZCi3Q8EH6OCyP4lRXAS+3XhiLFuoXNo4ykFzj7+JkdztVk9z8ljzvdrcr2m5z19PmoLrp3v+sTPYBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T14:16:27.611618Z"},"content_sha256":"08da31c86dde27feb396cfdbb6d781945381fd885ebc831d87ec7fed5969e68c","schema_version":"1.0","event_id":"sha256:08da31c86dde27feb396cfdbb6d781945381fd885ebc831d87ec7fed5969e68c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3YM6NWJZBCLIF5272YOQLDCEZQ/bundle.json","state_url":"https://pith.science/pith/3YM6NWJZBCLIF5272YOQLDCEZQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3YM6NWJZBCLIF5272YOQLDCEZQ/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":"2026-08-08T14:16:27Z","links":{"resolver":"https://pith.science/pith/3YM6NWJZBCLIF5272YOQLDCEZQ","bundle":"https://pith.science/pith/3YM6NWJZBCLIF5272YOQLDCEZQ/bundle.json","state":"https://pith.science/pith/3YM6NWJZBCLIF5272YOQLDCEZQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3YM6NWJZBCLIF5272YOQLDCEZQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:3YM6NWJZBCLIF5272YOQLDCEZQ","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":"f3df37725a1c019399269d9a9fbfdda572876114d602025abbcc7625fffc3a52","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-07-18T17:40:38Z","title_canon_sha256":"b548764ac074cdd5ef3811f5ef8f8934b46c13577ba2db253b4dcaacc6acc6df"},"schema_version":"1.0","source":{"id":"2407.13735","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.13735","created_at":"2026-07-05T08:45:43Z"},{"alias_kind":"arxiv_version","alias_value":"2407.13735v1","created_at":"2026-07-05T08:45:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.13735","created_at":"2026-07-05T08:45:43Z"},{"alias_kind":"pith_short_12","alias_value":"3YM6NWJZBCLI","created_at":"2026-07-05T08:45:43Z"},{"alias_kind":"pith_short_16","alias_value":"3YM6NWJZBCLIF527","created_at":"2026-07-05T08:45:43Z"},{"alias_kind":"pith_short_8","alias_value":"3YM6NWJZ","created_at":"2026-07-05T08:45:43Z"}],"graph_snapshots":[{"event_id":"sha256:08da31c86dde27feb396cfdbb6d781945381fd885ebc831d87ec7fed5969e68c","target":"graph","created_at":"2026-07-05T08:45:43Z","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/2407.13735/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Galaxies are theorized to form and co-evolve with their dark matter halos, such that their stellar masses and halo masses should be well-correlated. However, it is not known whether other observable galaxy features, such as their morphologies or large-scale environments, can be used to tighten the correlation between galaxy properties and halo masses. In this work, we train a baseline random forest model to predict halo mass using galaxy features from the Illustris TNG50 hydrodynamical simulation, and compare with convolutional neural networks (CNNs) and graph neural networks (GNNs) trained re","authors_text":"Austin J. Larson, Craig Jones, John F. Wu","cross_cats":["astro-ph.GA","astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-07-18T17:40:38Z","title":"Predicting dark matter halo masses from simulated galaxy images and environments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.13735","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:b68f4ebab7a1d21ee8211192058f9af1f5d6a859d4dba4d4623ee3fb7a8c6f62","target":"record","created_at":"2026-07-05T08:45:43Z","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":"f3df37725a1c019399269d9a9fbfdda572876114d602025abbcc7625fffc3a52","cross_cats_sorted":["astro-ph.GA","astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-07-18T17:40:38Z","title_canon_sha256":"b548764ac074cdd5ef3811f5ef8f8934b46c13577ba2db253b4dcaacc6acc6df"},"schema_version":"1.0","source":{"id":"2407.13735","kind":"arxiv","version":1}},"canonical_sha256":"de19e6d939089682f75fd61d058c44cc3fbc6a34df17e52dff15910fb5d6bc92","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"de19e6d939089682f75fd61d058c44cc3fbc6a34df17e52dff15910fb5d6bc92","first_computed_at":"2026-07-05T08:45:43.081201Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:45:43.081201Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sHWFiprq+qpN4JKx/f3S7iFOSm39GFWT/qQ2gXJa0nZJwSqFw9oQC5YkpG2zWm5g+4jTgvr3sUk45c7ECmlbBA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:45:43.081562Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.13735","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b68f4ebab7a1d21ee8211192058f9af1f5d6a859d4dba4d4623ee3fb7a8c6f62","sha256:08da31c86dde27feb396cfdbb6d781945381fd885ebc831d87ec7fed5969e68c"],"state_sha256":"fe8012240f8bacaa07caa9bfa9fdd0443da88a715533b907ac84a9c818d00c80"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m/AOah71/Jq3Y1hmq6vZs6iJy7PpOLom0PimMZbcBeIN0lA6jUDpn0vDB8ta27gxad1IBLbaBAl5h/UuWVFpCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T14:16:27.616692Z","bundle_sha256":"3292883fc8b8c51115b499d6774d1b936ff52bc67da8bf676bcb0c131518d58f"}}