{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:GF4TB4BCZIJDHQ5WIWQRESDFTL","short_pith_number":"pith:GF4TB4BC","canonical_record":{"source":{"id":"1311.5486","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-11-21T17:18:35Z","cross_cats_sorted":["physics.ed-ph"],"title_canon_sha256":"750e1f838b96cc688980ad61fc18afc465aa34a1bb05e88040ea240b71a444ec","abstract_canon_sha256":"8dc5f2f609c95f2d7b145042edfdc44f980b8af914c3c0af4b9efee05b1d71fe"},"schema_version":"1.0"},"canonical_sha256":"317930f022ca1233c3b645a11248659afd877f7e58fe90d4c0a27db155292455","source":{"kind":"arxiv","id":"1311.5486","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.5486","created_at":"2026-05-18T03:06:33Z"},{"alias_kind":"arxiv_version","alias_value":"1311.5486v1","created_at":"2026-05-18T03:06:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.5486","created_at":"2026-05-18T03:06:33Z"},{"alias_kind":"pith_short_12","alias_value":"GF4TB4BCZIJD","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GF4TB4BCZIJDHQ5W","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GF4TB4BC","created_at":"2026-05-18T12:27:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:GF4TB4BCZIJDHQ5WIWQRESDFTL","target":"record","payload":{"canonical_record":{"source":{"id":"1311.5486","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-11-21T17:18:35Z","cross_cats_sorted":["physics.ed-ph"],"title_canon_sha256":"750e1f838b96cc688980ad61fc18afc465aa34a1bb05e88040ea240b71a444ec","abstract_canon_sha256":"8dc5f2f609c95f2d7b145042edfdc44f980b8af914c3c0af4b9efee05b1d71fe"},"schema_version":"1.0"},"canonical_sha256":"317930f022ca1233c3b645a11248659afd877f7e58fe90d4c0a27db155292455","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:06:33.237360Z","signature_b64":"YBI7KUVUtWlgcqxZAbwxiXr3ydI0S/UzLfxZuMAgCO71KYl/ba9wUcHuE1MEE1W1QerYhKaobuB6DiGUj72OAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"317930f022ca1233c3b645a11248659afd877f7e58fe90d4c0a27db155292455","last_reissued_at":"2026-05-18T03:06:33.236227Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:06:33.236227Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.5486","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":"2026-05-18T03:06:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oW62Sl1E4K78pFfz6Pr0QVderpTlnBdsYEMFEu4xh28+hSyPp2bJdExxj1SU67fm7Yjj9KBASzL3Y2iwv5JCBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:30:03.524690Z"},"content_sha256":"4f7292d7ccd871a5c1e0104c7c3167f93a0c84e1632243052ead2413eab978dc","schema_version":"1.0","event_id":"sha256:4f7292d7ccd871a5c1e0104c7c3167f93a0c84e1632243052ead2413eab978dc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:GF4TB4BCZIJDHQ5WIWQRESDFTL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evaluation of a College Freshman Diversity Research Program","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.ed-ph"],"primary_cat":"astro-ph.IM","authors_text":"Eric Agol, John P. Wisniewski, Michael J. Tremmel, Sarah Garner, Sarah J. Schmidt","submitted_at":"2013-11-21T17:18:35Z","abstract_excerpt":"Since 2005, the Pre-Major in Astronomy Program (Pre-MAP) at the University of Washington (UW) Department of Astronomy has made a concentrated effort to recruit and retain underrepresented undergraduates in science, technology, engineering and mathematics (STEM). This paper evaluates Pre-MAP in the context of the larger UW student population using data compiled by the University's student database. We evaluate the Pre-MAP program in terms of our goals of recruiting a more diverse population than the University and in terms of a higher fraction of students successfully completing degrees. We fin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.5486","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:06:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZwqgjQe3uxDRCb28miUFRHMSSMknDd2hSKE4aPKY1s0Nx9qTWLR0jsyz6527fEeJXt456Q/yc7y617TZ0j6UCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:30:03.525037Z"},"content_sha256":"0ffc07fee99786774706cb82eaf82a3d7bddf0da8e24128755645d0e35596a2d","schema_version":"1.0","event_id":"sha256:0ffc07fee99786774706cb82eaf82a3d7bddf0da8e24128755645d0e35596a2d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GF4TB4BCZIJDHQ5WIWQRESDFTL/bundle.json","state_url":"https://pith.science/pith/GF4TB4BCZIJDHQ5WIWQRESDFTL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GF4TB4BCZIJDHQ5WIWQRESDFTL/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":"2026-06-02T06:30:03Z","links":{"resolver":"https://pith.science/pith/GF4TB4BCZIJDHQ5WIWQRESDFTL","bundle":"https://pith.science/pith/GF4TB4BCZIJDHQ5WIWQRESDFTL/bundle.json","state":"https://pith.science/pith/GF4TB4BCZIJDHQ5WIWQRESDFTL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GF4TB4BCZIJDHQ5WIWQRESDFTL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:GF4TB4BCZIJDHQ5WIWQRESDFTL","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":"8dc5f2f609c95f2d7b145042edfdc44f980b8af914c3c0af4b9efee05b1d71fe","cross_cats_sorted":["physics.ed-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-11-21T17:18:35Z","title_canon_sha256":"750e1f838b96cc688980ad61fc18afc465aa34a1bb05e88040ea240b71a444ec"},"schema_version":"1.0","source":{"id":"1311.5486","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.5486","created_at":"2026-05-18T03:06:33Z"},{"alias_kind":"arxiv_version","alias_value":"1311.5486v1","created_at":"2026-05-18T03:06:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.5486","created_at":"2026-05-18T03:06:33Z"},{"alias_kind":"pith_short_12","alias_value":"GF4TB4BCZIJD","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_16","alias_value":"GF4TB4BCZIJDHQ5W","created_at":"2026-05-18T12:27:45Z"},{"alias_kind":"pith_short_8","alias_value":"GF4TB4BC","created_at":"2026-05-18T12:27:45Z"}],"graph_snapshots":[{"event_id":"sha256:0ffc07fee99786774706cb82eaf82a3d7bddf0da8e24128755645d0e35596a2d","target":"graph","created_at":"2026-05-18T03:06:33Z","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":"Since 2005, the Pre-Major in Astronomy Program (Pre-MAP) at the University of Washington (UW) Department of Astronomy has made a concentrated effort to recruit and retain underrepresented undergraduates in science, technology, engineering and mathematics (STEM). This paper evaluates Pre-MAP in the context of the larger UW student population using data compiled by the University's student database. We evaluate the Pre-MAP program in terms of our goals of recruiting a more diverse population than the University and in terms of a higher fraction of students successfully completing degrees. We fin","authors_text":"Eric Agol, John P. Wisniewski, Michael J. Tremmel, Sarah Garner, Sarah J. Schmidt","cross_cats":["physics.ed-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-11-21T17:18:35Z","title":"Evaluation of a College Freshman Diversity Research Program"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.5486","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":"sha256:4f7292d7ccd871a5c1e0104c7c3167f93a0c84e1632243052ead2413eab978dc","target":"record","created_at":"2026-05-18T03:06:33Z","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":"8dc5f2f609c95f2d7b145042edfdc44f980b8af914c3c0af4b9efee05b1d71fe","cross_cats_sorted":["physics.ed-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2013-11-21T17:18:35Z","title_canon_sha256":"750e1f838b96cc688980ad61fc18afc465aa34a1bb05e88040ea240b71a444ec"},"schema_version":"1.0","source":{"id":"1311.5486","kind":"arxiv","version":1}},"canonical_sha256":"317930f022ca1233c3b645a11248659afd877f7e58fe90d4c0a27db155292455","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"317930f022ca1233c3b645a11248659afd877f7e58fe90d4c0a27db155292455","first_computed_at":"2026-05-18T03:06:33.236227Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:06:33.236227Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YBI7KUVUtWlgcqxZAbwxiXr3ydI0S/UzLfxZuMAgCO71KYl/ba9wUcHuE1MEE1W1QerYhKaobuB6DiGUj72OAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:06:33.237360Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.5486","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4f7292d7ccd871a5c1e0104c7c3167f93a0c84e1632243052ead2413eab978dc","sha256:0ffc07fee99786774706cb82eaf82a3d7bddf0da8e24128755645d0e35596a2d"],"state_sha256":"6e7a345f3d33f6190485f81b49f3d8d051ab5cd35c53eae2e5ef2e2f6f0e8a44"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YHTmoBvj/xYjRiWUP3PiMDDwS+Oni2Vu+lV/baJEf46JBs0VLvHirYg99sYgaKoRX6f+9ay3ZI1koaR5MyZ7AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T06:30:03.527002Z","bundle_sha256":"c91c4d4e1852a7213c1c5fadf38ca66cd6efcd272d533ff62ecdc8b2f99f8d00"}}