{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:1995:JZP2YFIH2RZH6EFFA4TIZBLC7W","short_pith_number":"pith:JZP2YFIH","schema_version":"1.0","canonical_sha256":"4e5fac1507d4727f10a507268c8562fd835682fd92d556510d78afb5b8dcb94e","source":{"kind":"arxiv","id":"astro-ph/9511001","version":1},"attestation_state":"computed","paper":{"title":"Mergers and the Formation of Disk Galaxies in Hierarchically Clustering Universes","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Matthias Steinmetz","submitted_at":"1995-11-01T09:59:16Z","abstract_excerpt":"New simulations are presented which investigate the formation of smaller groups of galaxies in a CDM like universe. The simulations follow the evolution of dark matter and gas and are performed with an SPH code adapted for the special-purpose hardware GRAPE. The mass resolution in the baryonic component is 5 10^6 Msol, the spatial resolution is 1.5 kpc. A sufficiently large volume is simulated in order to accurately include the tidal field and the mass inflow. The mass resolution enables us to resolve the galaxies formed in the simulation. Individual properties of the galaxies, each consisting"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"astro-ph/9511001","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1995-11-01T09:59:16Z","cross_cats_sorted":[],"title_canon_sha256":"b3deaa5b43d97b88e965ce6c9c75f157b305674d02943ae5179587047d5e6845","abstract_canon_sha256":"aa6a9f59b78a3d2606bcc4b7eb072a4f67593c840e826e5ce21af62987b21aa6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:41.318252Z","signature_b64":"e27/siibw2VhoozQBBeWPC7TB9C80uZin+8tAvw3amLR0X7DTUEBGXSvXoNaKQy8FEmN4r3cflxymjlnkR18Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e5fac1507d4727f10a507268c8562fd835682fd92d556510d78afb5b8dcb94e","last_reissued_at":"2026-05-18T01:07:41.317761Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:41.317761Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Mergers and the Formation of Disk Galaxies in Hierarchically Clustering Universes","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Matthias Steinmetz","submitted_at":"1995-11-01T09:59:16Z","abstract_excerpt":"New simulations are presented which investigate the formation of smaller groups of galaxies in a CDM like universe. The simulations follow the evolution of dark matter and gas and are performed with an SPH code adapted for the special-purpose hardware GRAPE. The mass resolution in the baryonic component is 5 10^6 Msol, the spatial resolution is 1.5 kpc. A sufficiently large volume is simulated in order to accurately include the tidal field and the mass inflow. The mass resolution enables us to resolve the galaxies formed in the simulation. Individual properties of the galaxies, each consisting"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9511001","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":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9511001","created_at":"2026-05-18T01:07:41.317840+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9511001v1","created_at":"2026-05-18T01:07:41.317840+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9511001","created_at":"2026-05-18T01:07:41.317840+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/JZP2YFIH2RZH6EFFA4TIZBLC7W","json":"https://pith.science/pith/JZP2YFIH2RZH6EFFA4TIZBLC7W.json","graph_json":"https://pith.science/api/pith-number/JZP2YFIH2RZH6EFFA4TIZBLC7W/graph.json","events_json":"https://pith.science/api/pith-number/JZP2YFIH2RZH6EFFA4TIZBLC7W/events.json","paper":"https://pith.science/paper/JZP2YFIH"},"agent_actions":{"view_html":"https://pith.science/pith/JZP2YFIH2RZH6EFFA4TIZBLC7W","download_json":"https://pith.science/pith/JZP2YFIH2RZH6EFFA4TIZBLC7W.json","view_paper":"https://pith.science/paper/JZP2YFIH","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/9511001&json=true","fetch_graph":"https://pith.science/api/pith-number/JZP2YFIH2RZH6EFFA4TIZBLC7W/graph.json","fetch_events":"https://pith.science/api/pith-number/JZP2YFIH2RZH6EFFA4TIZBLC7W/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/JZP2YFIH2RZH6EFFA4TIZBLC7W/action/timestamp_anchor","attest_storage":"https://pith.science/pith/JZP2YFIH2RZH6EFFA4TIZBLC7W/action/storage_attestation","attest_author":"https://pith.science/pith/JZP2YFIH2RZH6EFFA4TIZBLC7W/action/author_attestation","sign_citation":"https://pith.science/pith/JZP2YFIH2RZH6EFFA4TIZBLC7W/action/citation_signature","submit_replication":"https://pith.science/pith/JZP2YFIH2RZH6EFFA4TIZBLC7W/action/replication_record"}},"created_at":"2026-05-18T01:07:41.317840+00:00","updated_at":"2026-05-18T01:07:41.317840+00:00"}