{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:KOLL2MZGMY4CREN2TZGDVW3PYY","short_pith_number":"pith:KOLL2MZG","canonical_record":{"source":{"id":"0808.2497","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-08-19T12:01:37Z","cross_cats_sorted":[],"title_canon_sha256":"fe794861e602f57c618d5b98fa87961fb6894aa7cbee881899d3bf6efd54cb64","abstract_canon_sha256":"c4725118ae03ab4492b109b28e16dd20a54d4ec22cbd98d639fbdddfd5bcae87"},"schema_version":"1.0"},"canonical_sha256":"5396bd332666382891ba9e4c3adb6fc62d027350416163408039ee467809298b","source":{"kind":"arxiv","id":"0808.2497","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0808.2497","created_at":"2026-05-18T02:15:43Z"},{"alias_kind":"arxiv_version","alias_value":"0808.2497v2","created_at":"2026-05-18T02:15:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.2497","created_at":"2026-05-18T02:15:43Z"},{"alias_kind":"pith_short_12","alias_value":"KOLL2MZGMY4C","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"KOLL2MZGMY4CREN2","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"KOLL2MZG","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:KOLL2MZGMY4CREN2TZGDVW3PYY","target":"record","payload":{"canonical_record":{"source":{"id":"0808.2497","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-08-19T12:01:37Z","cross_cats_sorted":[],"title_canon_sha256":"fe794861e602f57c618d5b98fa87961fb6894aa7cbee881899d3bf6efd54cb64","abstract_canon_sha256":"c4725118ae03ab4492b109b28e16dd20a54d4ec22cbd98d639fbdddfd5bcae87"},"schema_version":"1.0"},"canonical_sha256":"5396bd332666382891ba9e4c3adb6fc62d027350416163408039ee467809298b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:43.106796Z","signature_b64":"sd1Po1UoRQHjWff247N3NNk7ug6bJDOBB6Mpe4Db6Uqb777P0iB3nbNYZHAAsCKryUdMv9Yxi0JxmdJb7rDOAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5396bd332666382891ba9e4c3adb6fc62d027350416163408039ee467809298b","last_reissued_at":"2026-05-18T02:15:43.106137Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:43.106137Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0808.2497","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:15:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OXMYf6jufzSywdV7cxG2Zx2ZIuU840T6Sj2DMxoiLV6wBO8OPEZPurgmxKP9IxHUrA8VS385AIGbCVDyzvWbAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:48:16.387585Z"},"content_sha256":"91220e2e46eaf56e4ae5fc334c4eac8870a0c275d20f76fbe0d9f01cc71ac892","schema_version":"1.0","event_id":"sha256:91220e2e46eaf56e4ae5fc334c4eac8870a0c275d20f76fbe0d9f01cc71ac892"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:KOLL2MZGMY4CREN2TZGDVW3PYY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Galaxy density profiles and shapes -- II. selection biases in strong lensing surveys","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Charles R. Keeton (Rutgers Univ.), Glenn van de Ven (IAS, Princeton), Rachel Mandelbaum (IAS","submitted_at":"2008-08-19T12:01:37Z","abstract_excerpt":"[Abridged] Many current and future astronomical surveys will rely on samples of strong gravitational lens systems to draw conclusions about galaxy mass distributions. We use a new strong lensing pipeline (presented in Paper I of this series) to explore selection biases that may cause the population of strong lensing systems to differ from the general galaxy population. Our focus is on point-source lensing by early-type galaxies with two mass components (stellar and dark matter) that have a variety of density profiles and shapes motivated by observational and theoretical studies of galaxy prope"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.2497","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:15:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2EYTWB8c00xg5aI9yosOuAR+fxDbKsiLr6rkYiB06NOAci1HCQvOSG34xODh37LPjTvW3EM4IZnwoPd1sOWVBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:48:16.387973Z"},"content_sha256":"1874bf0d2166a9fae03406eeaa370fca2543b643c2e427c059482d990b800ff1","schema_version":"1.0","event_id":"sha256:1874bf0d2166a9fae03406eeaa370fca2543b643c2e427c059482d990b800ff1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KOLL2MZGMY4CREN2TZGDVW3PYY/bundle.json","state_url":"https://pith.science/pith/KOLL2MZGMY4CREN2TZGDVW3PYY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KOLL2MZGMY4CREN2TZGDVW3PYY/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":"2026-05-28T20:48:16Z","links":{"resolver":"https://pith.science/pith/KOLL2MZGMY4CREN2TZGDVW3PYY","bundle":"https://pith.science/pith/KOLL2MZGMY4CREN2TZGDVW3PYY/bundle.json","state":"https://pith.science/pith/KOLL2MZGMY4CREN2TZGDVW3PYY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KOLL2MZGMY4CREN2TZGDVW3PYY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:KOLL2MZGMY4CREN2TZGDVW3PYY","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":"c4725118ae03ab4492b109b28e16dd20a54d4ec22cbd98d639fbdddfd5bcae87","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-08-19T12:01:37Z","title_canon_sha256":"fe794861e602f57c618d5b98fa87961fb6894aa7cbee881899d3bf6efd54cb64"},"schema_version":"1.0","source":{"id":"0808.2497","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0808.2497","created_at":"2026-05-18T02:15:43Z"},{"alias_kind":"arxiv_version","alias_value":"0808.2497v2","created_at":"2026-05-18T02:15:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.2497","created_at":"2026-05-18T02:15:43Z"},{"alias_kind":"pith_short_12","alias_value":"KOLL2MZGMY4C","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"KOLL2MZGMY4CREN2","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"KOLL2MZG","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:1874bf0d2166a9fae03406eeaa370fca2543b643c2e427c059482d990b800ff1","target":"graph","created_at":"2026-05-18T02:15:43Z","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"},"paper":{"abstract_excerpt":"[Abridged] Many current and future astronomical surveys will rely on samples of strong gravitational lens systems to draw conclusions about galaxy mass distributions. We use a new strong lensing pipeline (presented in Paper I of this series) to explore selection biases that may cause the population of strong lensing systems to differ from the general galaxy population. Our focus is on point-source lensing by early-type galaxies with two mass components (stellar and dark matter) that have a variety of density profiles and shapes motivated by observational and theoretical studies of galaxy prope","authors_text":"Charles R. Keeton (Rutgers Univ.), Glenn van de Ven (IAS, Princeton), Rachel Mandelbaum (IAS","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-08-19T12:01:37Z","title":"Galaxy density profiles and shapes -- II. selection biases in strong lensing surveys"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.2497","kind":"arxiv","version":2},"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":"sha256:91220e2e46eaf56e4ae5fc334c4eac8870a0c275d20f76fbe0d9f01cc71ac892","target":"record","created_at":"2026-05-18T02:15:43Z","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":"c4725118ae03ab4492b109b28e16dd20a54d4ec22cbd98d639fbdddfd5bcae87","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-08-19T12:01:37Z","title_canon_sha256":"fe794861e602f57c618d5b98fa87961fb6894aa7cbee881899d3bf6efd54cb64"},"schema_version":"1.0","source":{"id":"0808.2497","kind":"arxiv","version":2}},"canonical_sha256":"5396bd332666382891ba9e4c3adb6fc62d027350416163408039ee467809298b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5396bd332666382891ba9e4c3adb6fc62d027350416163408039ee467809298b","first_computed_at":"2026-05-18T02:15:43.106137Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:43.106137Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"sd1Po1UoRQHjWff247N3NNk7ug6bJDOBB6Mpe4Db6Uqb777P0iB3nbNYZHAAsCKryUdMv9Yxi0JxmdJb7rDOAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:43.106796Z","signed_message":"canonical_sha256_bytes"},"source_id":"0808.2497","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91220e2e46eaf56e4ae5fc334c4eac8870a0c275d20f76fbe0d9f01cc71ac892","sha256:1874bf0d2166a9fae03406eeaa370fca2543b643c2e427c059482d990b800ff1"],"state_sha256":"b3cc8150b6cd16239ab6f414cde7504aa180a181277625df73b174808e27b6e4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o2lzftApg4q7hXJeehDM6hePQ9lhfOfveLRZGLvh7WaQy/vT4w6ne5KHYVYADDPT0xGNiNdZyK8hjJDxZz5jDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T20:48:16.391959Z","bundle_sha256":"ff9cc9821f7fb9130c420998ecf608029443a0f025af36d866847c0051631244"}}