{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:UUTP7CW5WQMJGMNJS23SMXGJ7L","short_pith_number":"pith:UUTP7CW5","canonical_record":{"source":{"id":"1101.3561","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-01-18T21:21:17Z","cross_cats_sorted":[],"title_canon_sha256":"88c521f09639bf21edbcc8b7e9a97b9d13734771d6fe39219914aef11eaeead0","abstract_canon_sha256":"b535a6cc9e29f39386876ad14004ffcaa524800006775bc068026fecc77b8f6e"},"schema_version":"1.0"},"canonical_sha256":"a526ff8addb4189331a996b7265cc9fad214e6400658aed487283aaab69e8ce1","source":{"kind":"arxiv","id":"1101.3561","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.3561","created_at":"2026-05-18T02:03:26Z"},{"alias_kind":"arxiv_version","alias_value":"1101.3561v1","created_at":"2026-05-18T02:03:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.3561","created_at":"2026-05-18T02:03:26Z"},{"alias_kind":"pith_short_12","alias_value":"UUTP7CW5WQMJ","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"UUTP7CW5WQMJGMNJ","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"UUTP7CW5","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:UUTP7CW5WQMJGMNJS23SMXGJ7L","target":"record","payload":{"canonical_record":{"source":{"id":"1101.3561","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-01-18T21:21:17Z","cross_cats_sorted":[],"title_canon_sha256":"88c521f09639bf21edbcc8b7e9a97b9d13734771d6fe39219914aef11eaeead0","abstract_canon_sha256":"b535a6cc9e29f39386876ad14004ffcaa524800006775bc068026fecc77b8f6e"},"schema_version":"1.0"},"canonical_sha256":"a526ff8addb4189331a996b7265cc9fad214e6400658aed487283aaab69e8ce1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:26.668491Z","signature_b64":"ntXKlV+kO7ASrBLEMZHApRCh7nZAxFQVUmrr8BNxdFHLmnYH9bvkVxXoWRg3PRDAfnC66+S2QL4EMwoYWxChAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a526ff8addb4189331a996b7265cc9fad214e6400658aed487283aaab69e8ce1","last_reissued_at":"2026-05-18T02:03:26.667984Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:26.667984Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1101.3561","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":"2026-05-18T02:03:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UubP9FcTBt/C91o4SYoN/gsAYt5L4BpzWIme7MoZCXAJv1832hZtDe0m6O+SScwfwXEelTxe6IC5Np+pg56HBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T12:42:32.613095Z"},"content_sha256":"a0345b68f978e9c52515d4b6f13ae28237d2bfad89e514ae3338b8422fe3e821","schema_version":"1.0","event_id":"sha256:a0345b68f978e9c52515d4b6f13ae28237d2bfad89e514ae3338b8422fe3e821"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:UUTP7CW5WQMJGMNJS23SMXGJ7L","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Galaxia: a code to generate a synthetic survey of the Milky Way","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"James Binney, Joss Bland-Hawthorn, Kathryn V. Johnston, Sanjib Sharma","submitted_at":"2011-01-18T21:21:17Z","abstract_excerpt":"We present here a fast code for creating a synthetic survey of the Milky Way. Given one or more color-magnitude bounds, a survey size and geometry, the code returns a catalog of stars in accordance with a given model of the Milky Way. The model can be specified by a set of density distributions or as an N-body realization. We provide fast and efficient algorithms for sampling both types of models. As compared to earlier sampling schemes which generate stars at specified locations along a line of sight, our scheme can generate a continuous and smooth distribution of stars over any given volume."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.3561","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":"2026-05-18T02:03:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ljIQQ8dd1E6DC4uVKsP3iE7D0WpJlES5+UV+MRXfSMeUVyhpnO8i81pLLefq2deQz5TAFsq3dK7SLdQtlAytAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T12:42:32.613482Z"},"content_sha256":"c994cb71435485981fbe9133e0128e4832913ee43b4bda24cf94d568bcd769e4","schema_version":"1.0","event_id":"sha256:c994cb71435485981fbe9133e0128e4832913ee43b4bda24cf94d568bcd769e4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UUTP7CW5WQMJGMNJS23SMXGJ7L/bundle.json","state_url":"https://pith.science/pith/UUTP7CW5WQMJGMNJS23SMXGJ7L/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UUTP7CW5WQMJGMNJS23SMXGJ7L/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":"2026-05-25T12:42:32Z","links":{"resolver":"https://pith.science/pith/UUTP7CW5WQMJGMNJS23SMXGJ7L","bundle":"https://pith.science/pith/UUTP7CW5WQMJGMNJS23SMXGJ7L/bundle.json","state":"https://pith.science/pith/UUTP7CW5WQMJGMNJS23SMXGJ7L/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UUTP7CW5WQMJGMNJS23SMXGJ7L/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:UUTP7CW5WQMJGMNJS23SMXGJ7L","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":"b535a6cc9e29f39386876ad14004ffcaa524800006775bc068026fecc77b8f6e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-01-18T21:21:17Z","title_canon_sha256":"88c521f09639bf21edbcc8b7e9a97b9d13734771d6fe39219914aef11eaeead0"},"schema_version":"1.0","source":{"id":"1101.3561","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.3561","created_at":"2026-05-18T02:03:26Z"},{"alias_kind":"arxiv_version","alias_value":"1101.3561v1","created_at":"2026-05-18T02:03:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.3561","created_at":"2026-05-18T02:03:26Z"},{"alias_kind":"pith_short_12","alias_value":"UUTP7CW5WQMJ","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"UUTP7CW5WQMJGMNJ","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"UUTP7CW5","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:c994cb71435485981fbe9133e0128e4832913ee43b4bda24cf94d568bcd769e4","target":"graph","created_at":"2026-05-18T02:03:26Z","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":"We present here a fast code for creating a synthetic survey of the Milky Way. Given one or more color-magnitude bounds, a survey size and geometry, the code returns a catalog of stars in accordance with a given model of the Milky Way. The model can be specified by a set of density distributions or as an N-body realization. We provide fast and efficient algorithms for sampling both types of models. As compared to earlier sampling schemes which generate stars at specified locations along a line of sight, our scheme can generate a continuous and smooth distribution of stars over any given volume.","authors_text":"James Binney, Joss Bland-Hawthorn, Kathryn V. Johnston, Sanjib Sharma","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-01-18T21:21:17Z","title":"Galaxia: a code to generate a synthetic survey of the Milky Way"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.3561","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:a0345b68f978e9c52515d4b6f13ae28237d2bfad89e514ae3338b8422fe3e821","target":"record","created_at":"2026-05-18T02:03:26Z","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":"b535a6cc9e29f39386876ad14004ffcaa524800006775bc068026fecc77b8f6e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-01-18T21:21:17Z","title_canon_sha256":"88c521f09639bf21edbcc8b7e9a97b9d13734771d6fe39219914aef11eaeead0"},"schema_version":"1.0","source":{"id":"1101.3561","kind":"arxiv","version":1}},"canonical_sha256":"a526ff8addb4189331a996b7265cc9fad214e6400658aed487283aaab69e8ce1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a526ff8addb4189331a996b7265cc9fad214e6400658aed487283aaab69e8ce1","first_computed_at":"2026-05-18T02:03:26.667984Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:26.667984Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ntXKlV+kO7ASrBLEMZHApRCh7nZAxFQVUmrr8BNxdFHLmnYH9bvkVxXoWRg3PRDAfnC66+S2QL4EMwoYWxChAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:26.668491Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.3561","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a0345b68f978e9c52515d4b6f13ae28237d2bfad89e514ae3338b8422fe3e821","sha256:c994cb71435485981fbe9133e0128e4832913ee43b4bda24cf94d568bcd769e4"],"state_sha256":"f3a733e8e185ef18e918d2c039705bcad38635c0cf6a2784109722e71414f81d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3u+J+EO4lGjoddYUbY9+8sQ1Ih3jIs8rauRyt9hsgJSre+HecbjWxRjUaTkyQ8fP2UzMJg8HlRQ8k/Lj12dwBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T12:42:32.615874Z","bundle_sha256":"48a9affeb0271e2781ef545993a4746ecae5ce1dce01e5c4210cb483794df431"}}