{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2014:CRHLL6NVYPX2Z6ZKHRT7PJHP3I","short_pith_number":"pith:CRHLL6NV","schema_version":"1.0","canonical_sha256":"144eb5f9b5c3efacfb2a3c67f7a4efda0af70046e7d938463166aa0f16efda2f","source":{"kind":"arxiv","id":"1405.1726","version":2},"attestation_state":"computed","paper":{"title":"Dissecting simulated disc galaxies I: the structure of mono-age populations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Chris Flynn, Ivan Minchev, Marie Martig","submitted_at":"2014-05-07T20:00:08Z","abstract_excerpt":"We study seven simulated disc galaxies, three with a quiescent merger history, and four with mergers in their last 9 Gyr of evolution. We compare their structure at z=0 by decomposing them into \"mono-age populations\" (MAPs) of stars within 500 Myr age bins. All studied galaxies undergo a phase of merging activity at high redshift, so that stars older than 9 Gyr are found in a centrally concentrated component, while younger stars are mostly found in discs. We find that most MAPs have simple exponential radial and vertical density profiles, with a scale-height that typically increases with age. "},"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":"1405.1726","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-07T20:00:08Z","cross_cats_sorted":[],"title_canon_sha256":"19199f7062e68f09390c3d46f84d0fb5359cc4928f34eb2d37b5a104f852ce37","abstract_canon_sha256":"535d4b3013f12ff0546bb8d613cc3f4d01a27b6550ebe6bde6ced88626a51879"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:48:25.744724Z","signature_b64":"zhAbs8wHaQtk21y7WmrxFJG5JXzs0cLu9CotJWb/nkgnkX9OtQ6AP4EqHFVdw82/GHH8+tBpWp6UOw5SJxRoAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"144eb5f9b5c3efacfb2a3c67f7a4efda0af70046e7d938463166aa0f16efda2f","last_reissued_at":"2026-05-18T02:48:25.744014Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:48:25.744014Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dissecting simulated disc galaxies I: the structure of mono-age populations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Chris Flynn, Ivan Minchev, Marie Martig","submitted_at":"2014-05-07T20:00:08Z","abstract_excerpt":"We study seven simulated disc galaxies, three with a quiescent merger history, and four with mergers in their last 9 Gyr of evolution. We compare their structure at z=0 by decomposing them into \"mono-age populations\" (MAPs) of stars within 500 Myr age bins. All studied galaxies undergo a phase of merging activity at high redshift, so that stars older than 9 Gyr are found in a centrally concentrated component, while younger stars are mostly found in discs. We find that most MAPs have simple exponential radial and vertical density profiles, with a scale-height that typically increases with age. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.1726","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1405.1726","created_at":"2026-05-18T02:48:25.744131+00:00"},{"alias_kind":"arxiv_version","alias_value":"1405.1726v2","created_at":"2026-05-18T02:48:25.744131+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.1726","created_at":"2026-05-18T02:48:25.744131+00:00"},{"alias_kind":"pith_short_12","alias_value":"CRHLL6NVYPX2","created_at":"2026-05-18T12:28:22.404517+00:00"},{"alias_kind":"pith_short_16","alias_value":"CRHLL6NVYPX2Z6ZK","created_at":"2026-05-18T12:28:22.404517+00:00"},{"alias_kind":"pith_short_8","alias_value":"CRHLL6NV","created_at":"2026-05-18T12:28:22.404517+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/CRHLL6NVYPX2Z6ZKHRT7PJHP3I","json":"https://pith.science/pith/CRHLL6NVYPX2Z6ZKHRT7PJHP3I.json","graph_json":"https://pith.science/api/pith-number/CRHLL6NVYPX2Z6ZKHRT7PJHP3I/graph.json","events_json":"https://pith.science/api/pith-number/CRHLL6NVYPX2Z6ZKHRT7PJHP3I/events.json","paper":"https://pith.science/paper/CRHLL6NV"},"agent_actions":{"view_html":"https://pith.science/pith/CRHLL6NVYPX2Z6ZKHRT7PJHP3I","download_json":"https://pith.science/pith/CRHLL6NVYPX2Z6ZKHRT7PJHP3I.json","view_paper":"https://pith.science/paper/CRHLL6NV","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1405.1726&json=true","fetch_graph":"https://pith.science/api/pith-number/CRHLL6NVYPX2Z6ZKHRT7PJHP3I/graph.json","fetch_events":"https://pith.science/api/pith-number/CRHLL6NVYPX2Z6ZKHRT7PJHP3I/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CRHLL6NVYPX2Z6ZKHRT7PJHP3I/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CRHLL6NVYPX2Z6ZKHRT7PJHP3I/action/storage_attestation","attest_author":"https://pith.science/pith/CRHLL6NVYPX2Z6ZKHRT7PJHP3I/action/author_attestation","sign_citation":"https://pith.science/pith/CRHLL6NVYPX2Z6ZKHRT7PJHP3I/action/citation_signature","submit_replication":"https://pith.science/pith/CRHLL6NVYPX2Z6ZKHRT7PJHP3I/action/replication_record"}},"created_at":"2026-05-18T02:48:25.744131+00:00","updated_at":"2026-05-18T02:48:25.744131+00:00"}