{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1995:3WUHA7KH55OQXSOL5GR765UUOI","short_pith_number":"pith:3WUHA7KH","canonical_record":{"source":{"id":"astro-ph/9512065","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1995-12-11T21:52:34Z","cross_cats_sorted":[],"title_canon_sha256":"1e319a9c64dd4cfbdc226cb80174c6c6988f183d6fa131140335099f13eb6515","abstract_canon_sha256":"324c50b754ea8260a6d16c6f4758bf086c52bbe3fe000d87d16d7f9f06f033c7"},"schema_version":"1.0"},"canonical_sha256":"dda8707d47ef5d0bc9cbe9a3ff769472318235f2a4194f11db3c3a8a56e321f6","source":{"kind":"arxiv","id":"astro-ph/9512065","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9512065","created_at":"2026-05-18T01:40:22Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9512065v1","created_at":"2026-05-18T01:40:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9512065","created_at":"2026-05-18T01:40:22Z"},{"alias_kind":"pith_short_12","alias_value":"3WUHA7KH55OQ","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"3WUHA7KH55OQXSOL","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"3WUHA7KH","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1995:3WUHA7KH55OQXSOL5GR765UUOI","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9512065","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1995-12-11T21:52:34Z","cross_cats_sorted":[],"title_canon_sha256":"1e319a9c64dd4cfbdc226cb80174c6c6988f183d6fa131140335099f13eb6515","abstract_canon_sha256":"324c50b754ea8260a6d16c6f4758bf086c52bbe3fe000d87d16d7f9f06f033c7"},"schema_version":"1.0"},"canonical_sha256":"dda8707d47ef5d0bc9cbe9a3ff769472318235f2a4194f11db3c3a8a56e321f6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:40:22.179480Z","signature_b64":"65upH96fqecpHqqDvSKL57ZlDAj5gj/gsVe71AQ8zB33NzmcHFhuFWZKBQKXRVR5mT50mdZONdANql1VZ1dWBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dda8707d47ef5d0bc9cbe9a3ff769472318235f2a4194f11db3c3a8a56e321f6","last_reissued_at":"2026-05-18T01:40:22.178800Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:40:22.178800Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9512065","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":"2026-05-18T01:40:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iiMDSbpBl96gIm1fFkJesVEc3MhMClTcY4h/KLjpfia5MqDIZKr2tD0818wybIkiW7ukFrT2HJprVdS/Gs0pAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T14:30:14.886727Z"},"content_sha256":"458113d225523da685ab6b0552f21f0a02c6062aafb8d7704c0d71fea3da7935","schema_version":"1.0","event_id":"sha256:458113d225523da685ab6b0552f21f0a02c6062aafb8d7704c0d71fea3da7935"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1995:3WUHA7KH55OQXSOL5GR765UUOI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Consistent Microlensing Model for the Galactic Bar","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"D.N. Spergel(PU), HongSheng Zhao(MPA-Garching), R.M. Rich(CU)","submitted_at":"1995-12-11T21:52:34Z","abstract_excerpt":"We compute a microlensing map for the Galactic bar. The predicted event rate and event duration distribution are consistent with the $55$ events recently reported by the MACHO and OGLE collaborations. Most of the events are due to lensing by stars in the near end of the bar. Lens mass functions with about 30-60\\% of lens mass as brown dwarfs are rejected at $2-6\\sigma$ levels. To make our model useful for other workers, we tabulate the bar's optical depth and average event duration (scaled to $1M_\\odot$ lenses) on a grid of Galactic coordinates. The distance and the proper motions of the lens "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9512065","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":"2026-05-18T01:40:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hV3lJ/hOGYA/WfxOJ54TmKvDGMnXv1hIVrifQjF0JJtdhGoGOmsE8i+HdW/LO6Ff451Rn1MjJ2gE4fgPgD5hCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T14:30:14.887063Z"},"content_sha256":"b0425226ccbad7fca0cb896f44237be91cba18af13f9fe97d6459f01aa6ff383","schema_version":"1.0","event_id":"sha256:b0425226ccbad7fca0cb896f44237be91cba18af13f9fe97d6459f01aa6ff383"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3WUHA7KH55OQXSOL5GR765UUOI/bundle.json","state_url":"https://pith.science/pith/3WUHA7KH55OQXSOL5GR765UUOI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3WUHA7KH55OQXSOL5GR765UUOI/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":"2026-06-20T14:30:14Z","links":{"resolver":"https://pith.science/pith/3WUHA7KH55OQXSOL5GR765UUOI","bundle":"https://pith.science/pith/3WUHA7KH55OQXSOL5GR765UUOI/bundle.json","state":"https://pith.science/pith/3WUHA7KH55OQXSOL5GR765UUOI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3WUHA7KH55OQXSOL5GR765UUOI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1995:3WUHA7KH55OQXSOL5GR765UUOI","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":"324c50b754ea8260a6d16c6f4758bf086c52bbe3fe000d87d16d7f9f06f033c7","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1995-12-11T21:52:34Z","title_canon_sha256":"1e319a9c64dd4cfbdc226cb80174c6c6988f183d6fa131140335099f13eb6515"},"schema_version":"1.0","source":{"id":"astro-ph/9512065","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9512065","created_at":"2026-05-18T01:40:22Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9512065v1","created_at":"2026-05-18T01:40:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9512065","created_at":"2026-05-18T01:40:22Z"},{"alias_kind":"pith_short_12","alias_value":"3WUHA7KH55OQ","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"3WUHA7KH55OQXSOL","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"3WUHA7KH","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:b0425226ccbad7fca0cb896f44237be91cba18af13f9fe97d6459f01aa6ff383","target":"graph","created_at":"2026-05-18T01:40:22Z","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 compute a microlensing map for the Galactic bar. The predicted event rate and event duration distribution are consistent with the $55$ events recently reported by the MACHO and OGLE collaborations. Most of the events are due to lensing by stars in the near end of the bar. Lens mass functions with about 30-60\\% of lens mass as brown dwarfs are rejected at $2-6\\sigma$ levels. To make our model useful for other workers, we tabulate the bar's optical depth and average event duration (scaled to $1M_\\odot$ lenses) on a grid of Galactic coordinates. The distance and the proper motions of the lens ","authors_text":"D.N. Spergel(PU), HongSheng Zhao(MPA-Garching), R.M. Rich(CU)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1995-12-11T21:52:34Z","title":"A Consistent Microlensing Model for the Galactic Bar"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9512065","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":"sha256:458113d225523da685ab6b0552f21f0a02c6062aafb8d7704c0d71fea3da7935","target":"record","created_at":"2026-05-18T01:40:22Z","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":"324c50b754ea8260a6d16c6f4758bf086c52bbe3fe000d87d16d7f9f06f033c7","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1995-12-11T21:52:34Z","title_canon_sha256":"1e319a9c64dd4cfbdc226cb80174c6c6988f183d6fa131140335099f13eb6515"},"schema_version":"1.0","source":{"id":"astro-ph/9512065","kind":"arxiv","version":1}},"canonical_sha256":"dda8707d47ef5d0bc9cbe9a3ff769472318235f2a4194f11db3c3a8a56e321f6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dda8707d47ef5d0bc9cbe9a3ff769472318235f2a4194f11db3c3a8a56e321f6","first_computed_at":"2026-05-18T01:40:22.178800Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:40:22.178800Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"65upH96fqecpHqqDvSKL57ZlDAj5gj/gsVe71AQ8zB33NzmcHFhuFWZKBQKXRVR5mT50mdZONdANql1VZ1dWBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:40:22.179480Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9512065","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:458113d225523da685ab6b0552f21f0a02c6062aafb8d7704c0d71fea3da7935","sha256:b0425226ccbad7fca0cb896f44237be91cba18af13f9fe97d6459f01aa6ff383"],"state_sha256":"6dafd30b1970cafc1d8a9ecc7383dd1b039b8f68f1d3257ef773daded2ccbe44"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b6Vb6f74FUMlwkWBsm/YJf+sYT4HFEOXouJdWKvh2rSrY4wGMKtJkGKI9iTTKVFzEekn/TtaYHhzUwLxOTlADA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T14:30:14.888900Z","bundle_sha256":"ba25ed17a651c58b16598949b9cf01365a807493a6f5ad46de2133cbcb683c55"}}