{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2004:YP5AWS662L5MQJFTJ66TAO6HJM","short_pith_number":"pith:YP5AWS66","schema_version":"1.0","canonical_sha256":"c3fa0b4bded2fac824b34fbd303bc74b0061ad9dc8d2d9c43ca3a4ec30093b25","source":{"kind":"arxiv","id":"astro-ph/0405541","version":3},"attestation_state":"computed","paper":{"title":"Stellar Disk Truncations: Where do we stand ?","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"J.E.Beckman (1), J.H.Knapen (3), M.Pohlen (1), P.Erwin (1), R.-J.Dettmar (2) ((1) Instituto de Astrofisica de Canarias (2) Astronomisches Institut, Ruhr-Universitaet Bochum (3) University of Hertfordshire), S.Huettemeister (2)","submitted_at":"2004-05-27T10:56:44Z","abstract_excerpt":"In the light of several recent developments we revisit the phenomenon of galactic stellar disk truncations. Even 25 years since the first paper on outer breaks in the radial light profiles of spiral galaxies, their origin is still unclear. The two most promising explanations are that these 'outer edges' either trace the maximum angular momentum during the galaxy formation epoch, or are associated with global star formation thresholds. Depending on their true physical nature, these outer edges may represent an improved size characteristic (e.g., as compared to D_25) and might contain fossil evi"},"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/0405541","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-05-27T10:56:44Z","cross_cats_sorted":[],"title_canon_sha256":"695392b72c2acd116c0030e9b041f993631624a64c0506f5dd29c8bb4812fc1f","abstract_canon_sha256":"880915108288c2f268435c672c6731c21cc481d17e4b01ebbc576f051a83a332"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:21:56.840550Z","signature_b64":"6Shmef/1hnAXg17H+FX0BvdYDMgf8yt2vovg8rZOH9yvAplBFg428o9agixgcbIYjqRL1SAoXqWRrSZa4KVpBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c3fa0b4bded2fac824b34fbd303bc74b0061ad9dc8d2d9c43ca3a4ec30093b25","last_reissued_at":"2026-05-18T01:21:56.839905Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:21:56.839905Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Stellar Disk Truncations: Where do we stand ?","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"J.E.Beckman (1), J.H.Knapen (3), M.Pohlen (1), P.Erwin (1), R.-J.Dettmar (2) ((1) Instituto de Astrofisica de Canarias (2) Astronomisches Institut, Ruhr-Universitaet Bochum (3) University of Hertfordshire), S.Huettemeister (2)","submitted_at":"2004-05-27T10:56:44Z","abstract_excerpt":"In the light of several recent developments we revisit the phenomenon of galactic stellar disk truncations. Even 25 years since the first paper on outer breaks in the radial light profiles of spiral galaxies, their origin is still unclear. The two most promising explanations are that these 'outer edges' either trace the maximum angular momentum during the galaxy formation epoch, or are associated with global star formation thresholds. Depending on their true physical nature, these outer edges may represent an improved size characteristic (e.g., as compared to D_25) and might contain fossil evi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0405541","kind":"arxiv","version":3},"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/0405541","created_at":"2026-05-18T01:21:56.840007+00:00"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0405541v3","created_at":"2026-05-18T01:21:56.840007+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0405541","created_at":"2026-05-18T01:21:56.840007+00:00"},{"alias_kind":"pith_short_12","alias_value":"YP5AWS662L5M","created_at":"2026-05-18T12:25:52.687210+00:00"},{"alias_kind":"pith_short_16","alias_value":"YP5AWS662L5MQJFT","created_at":"2026-05-18T12:25:52.687210+00:00"},{"alias_kind":"pith_short_8","alias_value":"YP5AWS66","created_at":"2026-05-18T12:25:52.687210+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/YP5AWS662L5MQJFTJ66TAO6HJM","json":"https://pith.science/pith/YP5AWS662L5MQJFTJ66TAO6HJM.json","graph_json":"https://pith.science/api/pith-number/YP5AWS662L5MQJFTJ66TAO6HJM/graph.json","events_json":"https://pith.science/api/pith-number/YP5AWS662L5MQJFTJ66TAO6HJM/events.json","paper":"https://pith.science/paper/YP5AWS66"},"agent_actions":{"view_html":"https://pith.science/pith/YP5AWS662L5MQJFTJ66TAO6HJM","download_json":"https://pith.science/pith/YP5AWS662L5MQJFTJ66TAO6HJM.json","view_paper":"https://pith.science/paper/YP5AWS66","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=astro-ph/0405541&json=true","fetch_graph":"https://pith.science/api/pith-number/YP5AWS662L5MQJFTJ66TAO6HJM/graph.json","fetch_events":"https://pith.science/api/pith-number/YP5AWS662L5MQJFTJ66TAO6HJM/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YP5AWS662L5MQJFTJ66TAO6HJM/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YP5AWS662L5MQJFTJ66TAO6HJM/action/storage_attestation","attest_author":"https://pith.science/pith/YP5AWS662L5MQJFTJ66TAO6HJM/action/author_attestation","sign_citation":"https://pith.science/pith/YP5AWS662L5MQJFTJ66TAO6HJM/action/citation_signature","submit_replication":"https://pith.science/pith/YP5AWS662L5MQJFTJ66TAO6HJM/action/replication_record"}},"created_at":"2026-05-18T01:21:56.840007+00:00","updated_at":"2026-05-18T01:21:56.840007+00:00"}