{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:BIIIY6M4VLJ3NOJOZFVTSVOG6I","short_pith_number":"pith:BIIIY6M4","canonical_record":{"source":{"id":"1108.2725","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-08-12T21:50:09Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"896eb96c4d72801a2fc01eeb68091db2f341e048331e442b4bd48c143fdafe6a","abstract_canon_sha256":"994964bd26f387712dd9caa3b81887fbb471db20180e0a00e625de61f3dc973d"},"schema_version":"1.0"},"canonical_sha256":"0a108c799caad3b6b92ec96b3955c6f201cae130c7b4ec8c77e8bdc4b7a0689d","source":{"kind":"arxiv","id":"1108.2725","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.2725","created_at":"2026-05-18T02:00:54Z"},{"alias_kind":"arxiv_version","alias_value":"1108.2725v2","created_at":"2026-05-18T02:00:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.2725","created_at":"2026-05-18T02:00:54Z"},{"alias_kind":"pith_short_12","alias_value":"BIIIY6M4VLJ3","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BIIIY6M4VLJ3NOJO","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BIIIY6M4","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:BIIIY6M4VLJ3NOJOZFVTSVOG6I","target":"record","payload":{"canonical_record":{"source":{"id":"1108.2725","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-08-12T21:50:09Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"896eb96c4d72801a2fc01eeb68091db2f341e048331e442b4bd48c143fdafe6a","abstract_canon_sha256":"994964bd26f387712dd9caa3b81887fbb471db20180e0a00e625de61f3dc973d"},"schema_version":"1.0"},"canonical_sha256":"0a108c799caad3b6b92ec96b3955c6f201cae130c7b4ec8c77e8bdc4b7a0689d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:54.464836Z","signature_b64":"Tvz0pLMV5rnHjYDHlsPsbEuMSssppRlJoMco1foT3jmXNGNPs7j1gAI58bR9ykO/8wuSYqpbfeDoS62KmPiRBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0a108c799caad3b6b92ec96b3955c6f201cae130c7b4ec8c77e8bdc4b7a0689d","last_reissued_at":"2026-05-18T02:00:54.464084Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:54.464084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.2725","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":"2026-05-18T02:00:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qprI00Nq6FJopZW/G+sLfx7wRI0AlZBZwVg4cj7AjMNtIDIH9nJzz3FEjFUUoATE2ofksrN6b+QJMC/jXHQ1AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:00:58.735772Z"},"content_sha256":"e5bf29b1833da281ef94479af2e0f23d6793797415d96796ddb2e49e6d3ebbe9","schema_version":"1.0","event_id":"sha256:e5bf29b1833da281ef94479af2e0f23d6793797415d96796ddb2e49e6d3ebbe9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:BIIIY6M4VLJ3NOJOZFVTSVOG6I","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"X-Ray And Optical Flux Ratio Anomalies In Quadruply Lensed Quasars. II. Mapping the Dark Matter Content in Elliptical Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.HE","authors_text":"David Pooley, Jeffrey A. Blackburne, Joachim Wambsganss, Paul L. Schechter, Saul Rappaport","submitted_at":"2011-08-12T21:50:09Z","abstract_excerpt":"We present a microlensing analysis of 61 Chandra observations of 14 quadruply lensed quasars. X-ray flux measurements of the individual quasar images give a clean determination of the microlensing effects in the lensing galaxy and thus offer a direct assessment of the local fraction of stellar matter making up the total integrated mass along the lines of sight through the lensing galaxy. A Bayesian analysis of the ensemble of lensing galaxies gives a most likely local stellar fraction of 7%, with the other 93% in a smooth, dark matter component, at an average impact parameter R_c of 6.6 kpc fr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.2725","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":"2026-05-18T02:00:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"etJNCrn+m9isAsJkKzEd13/HYfSpIXNf6w9PGKnDf+qtUuMtB1STwKP6zwJIAO2PRiOPLxjdEM9Gnc5iejzeDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T22:00:58.736522Z"},"content_sha256":"0d1005cdde671258d6b06d60151d546edbacfe5c3c457ed0391aee1b6dd73887","schema_version":"1.0","event_id":"sha256:0d1005cdde671258d6b06d60151d546edbacfe5c3c457ed0391aee1b6dd73887"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BIIIY6M4VLJ3NOJOZFVTSVOG6I/bundle.json","state_url":"https://pith.science/pith/BIIIY6M4VLJ3NOJOZFVTSVOG6I/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BIIIY6M4VLJ3NOJOZFVTSVOG6I/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":"2026-05-28T22:00:58Z","links":{"resolver":"https://pith.science/pith/BIIIY6M4VLJ3NOJOZFVTSVOG6I","bundle":"https://pith.science/pith/BIIIY6M4VLJ3NOJOZFVTSVOG6I/bundle.json","state":"https://pith.science/pith/BIIIY6M4VLJ3NOJOZFVTSVOG6I/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BIIIY6M4VLJ3NOJOZFVTSVOG6I/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:BIIIY6M4VLJ3NOJOZFVTSVOG6I","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":"994964bd26f387712dd9caa3b81887fbb471db20180e0a00e625de61f3dc973d","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-08-12T21:50:09Z","title_canon_sha256":"896eb96c4d72801a2fc01eeb68091db2f341e048331e442b4bd48c143fdafe6a"},"schema_version":"1.0","source":{"id":"1108.2725","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.2725","created_at":"2026-05-18T02:00:54Z"},{"alias_kind":"arxiv_version","alias_value":"1108.2725v2","created_at":"2026-05-18T02:00:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.2725","created_at":"2026-05-18T02:00:54Z"},{"alias_kind":"pith_short_12","alias_value":"BIIIY6M4VLJ3","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BIIIY6M4VLJ3NOJO","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BIIIY6M4","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:0d1005cdde671258d6b06d60151d546edbacfe5c3c457ed0391aee1b6dd73887","target":"graph","created_at":"2026-05-18T02:00:54Z","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 a microlensing analysis of 61 Chandra observations of 14 quadruply lensed quasars. X-ray flux measurements of the individual quasar images give a clean determination of the microlensing effects in the lensing galaxy and thus offer a direct assessment of the local fraction of stellar matter making up the total integrated mass along the lines of sight through the lensing galaxy. A Bayesian analysis of the ensemble of lensing galaxies gives a most likely local stellar fraction of 7%, with the other 93% in a smooth, dark matter component, at an average impact parameter R_c of 6.6 kpc fr","authors_text":"David Pooley, Jeffrey A. Blackburne, Joachim Wambsganss, Paul L. Schechter, Saul Rappaport","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-08-12T21:50:09Z","title":"X-Ray And Optical Flux Ratio Anomalies In Quadruply Lensed Quasars. II. Mapping the Dark Matter Content in Elliptical Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.2725","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:e5bf29b1833da281ef94479af2e0f23d6793797415d96796ddb2e49e6d3ebbe9","target":"record","created_at":"2026-05-18T02:00:54Z","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":"994964bd26f387712dd9caa3b81887fbb471db20180e0a00e625de61f3dc973d","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-08-12T21:50:09Z","title_canon_sha256":"896eb96c4d72801a2fc01eeb68091db2f341e048331e442b4bd48c143fdafe6a"},"schema_version":"1.0","source":{"id":"1108.2725","kind":"arxiv","version":2}},"canonical_sha256":"0a108c799caad3b6b92ec96b3955c6f201cae130c7b4ec8c77e8bdc4b7a0689d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0a108c799caad3b6b92ec96b3955c6f201cae130c7b4ec8c77e8bdc4b7a0689d","first_computed_at":"2026-05-18T02:00:54.464084Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:54.464084Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Tvz0pLMV5rnHjYDHlsPsbEuMSssppRlJoMco1foT3jmXNGNPs7j1gAI58bR9ykO/8wuSYqpbfeDoS62KmPiRBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:54.464836Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.2725","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e5bf29b1833da281ef94479af2e0f23d6793797415d96796ddb2e49e6d3ebbe9","sha256:0d1005cdde671258d6b06d60151d546edbacfe5c3c457ed0391aee1b6dd73887"],"state_sha256":"4ec25b162a8de4a7f9bc9cf126cf40a589375b5e4f920f62b3cf8f682f932681"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KKZVo+IUjjwtH7YlCdYRyoiHSYlgFMmz7kXOijkZSFmocWs3lZ/te+QM1R3IvRly+s4vlCSZzdF5K1w4WBioBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T22:00:58.740473Z","bundle_sha256":"33dc727755d0e2c64e14e6dc0ecfc9af0278df3b71d7775a825d86f43bc004e9"}}