{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:PQGEADZ36HFICWM24PWOIMIDRG","short_pith_number":"pith:PQGEADZ3","canonical_record":{"source":{"id":"1412.4121","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-12T21:00:02Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"de6a6450a9b5f37dafc4f9c2029bbcf226e4d0e7cfec34439432628876296002","abstract_canon_sha256":"b8a65470ab525a396222a4aa287683cdcf2eac5daf8946120a0482f2567b914b"},"schema_version":"1.0"},"canonical_sha256":"7c0c400f3bf1ca81599ae3ece43103898eb755fe054637d89703d1bb852d982c","source":{"kind":"arxiv","id":"1412.4121","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.4121","created_at":"2026-05-18T01:31:03Z"},{"alias_kind":"arxiv_version","alias_value":"1412.4121v2","created_at":"2026-05-18T01:31:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.4121","created_at":"2026-05-18T01:31:03Z"},{"alias_kind":"pith_short_12","alias_value":"PQGEADZ36HFI","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"PQGEADZ36HFICWM2","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"PQGEADZ3","created_at":"2026-05-18T12:28:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:PQGEADZ36HFICWM24PWOIMIDRG","target":"record","payload":{"canonical_record":{"source":{"id":"1412.4121","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-12T21:00:02Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"de6a6450a9b5f37dafc4f9c2029bbcf226e4d0e7cfec34439432628876296002","abstract_canon_sha256":"b8a65470ab525a396222a4aa287683cdcf2eac5daf8946120a0482f2567b914b"},"schema_version":"1.0"},"canonical_sha256":"7c0c400f3bf1ca81599ae3ece43103898eb755fe054637d89703d1bb852d982c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:31:03.485123Z","signature_b64":"cUUwMAmQlrff+YQXZKjlmbgojdXQ2i3I5v8odDV8Sz0Z/T0WPkoIPgcX1ga3FxwxYnWMD3sR0bvCARlO/3ZqCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7c0c400f3bf1ca81599ae3ece43103898eb755fe054637d89703d1bb852d982c","last_reissued_at":"2026-05-18T01:31:03.484663Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:31:03.484663Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1412.4121","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":"2026-05-18T01:31:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IlcQb/Oz0SfQuKlNuMHLDq3YdnOiL7OZvKLx+vEaFe/LcoRZoZMnh94ikIm1Xp+Cf4E1Njp5Z0rcunp6iWG0DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T17:31:16.387946Z"},"content_sha256":"fc4c97aac2810c9ceafca35064ebd7d76a16ddb189b407370c67a703819b683e","schema_version":"1.0","event_id":"sha256:fc4c97aac2810c9ceafca35064ebd7d76a16ddb189b407370c67a703819b683e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:PQGEADZ36HFICWM24PWOIMIDRG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Deciphering the 3D structure of the old Galactic bulge from the OGLE RR Lyrae stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. Udalski, D.M. Skowron, G. Pietrzynski, I. Soszynski, J. Skowron, K. Ulaczyk, L. Wyrzykowski, M.K. Szymanski, M. Kubiak (Warsaw Univ. Observatory), P. Mroz, P. Pietrukowicz, R. Poleski, S. Kozlowski","submitted_at":"2014-12-12T21:00:02Z","abstract_excerpt":"We have analyzed a sample of 27,258 fundamental-mode RR Lyrae variable stars (type RRab) detected recently toward the Galactic bulge by the Optical Gravitational Lensing Experiment (OGLE) survey. The data support our earlier claim that these metal-poor stars trace closely the barred structure formed of intermediate-age red clump giants. The distance to the Galactic center (GC) inferred from the bulge RR Lyrae stars is R_0=8.27+/-0.01(stat)+/-0.40(sys) kpc. We show that their spatial distribution has the shape of a triaxial ellipsoid with an major axis located in the Galactic plane and inclined"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.4121","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":"2026-05-18T01:31:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S6qFFQGUUnRrzvWYcH0v8yswJVp9LBQR1M+JP32hpljz9uqqtVwro8U69AjlRAqLESGD9X/FMBjLiV0nu2+WCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T17:31:16.388681Z"},"content_sha256":"bc9789c5d8aa910ac7e32280a9c68a41ae557311b0de78a91f81ed7a7f6cc989","schema_version":"1.0","event_id":"sha256:bc9789c5d8aa910ac7e32280a9c68a41ae557311b0de78a91f81ed7a7f6cc989"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PQGEADZ36HFICWM24PWOIMIDRG/bundle.json","state_url":"https://pith.science/pith/PQGEADZ36HFICWM24PWOIMIDRG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PQGEADZ36HFICWM24PWOIMIDRG/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":"2026-05-27T17:31:16Z","links":{"resolver":"https://pith.science/pith/PQGEADZ36HFICWM24PWOIMIDRG","bundle":"https://pith.science/pith/PQGEADZ36HFICWM24PWOIMIDRG/bundle.json","state":"https://pith.science/pith/PQGEADZ36HFICWM24PWOIMIDRG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PQGEADZ36HFICWM24PWOIMIDRG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:PQGEADZ36HFICWM24PWOIMIDRG","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":"b8a65470ab525a396222a4aa287683cdcf2eac5daf8946120a0482f2567b914b","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-12T21:00:02Z","title_canon_sha256":"de6a6450a9b5f37dafc4f9c2029bbcf226e4d0e7cfec34439432628876296002"},"schema_version":"1.0","source":{"id":"1412.4121","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1412.4121","created_at":"2026-05-18T01:31:03Z"},{"alias_kind":"arxiv_version","alias_value":"1412.4121v2","created_at":"2026-05-18T01:31:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1412.4121","created_at":"2026-05-18T01:31:03Z"},{"alias_kind":"pith_short_12","alias_value":"PQGEADZ36HFI","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"PQGEADZ36HFICWM2","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"PQGEADZ3","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:bc9789c5d8aa910ac7e32280a9c68a41ae557311b0de78a91f81ed7a7f6cc989","target":"graph","created_at":"2026-05-18T01:31:03Z","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 have analyzed a sample of 27,258 fundamental-mode RR Lyrae variable stars (type RRab) detected recently toward the Galactic bulge by the Optical Gravitational Lensing Experiment (OGLE) survey. The data support our earlier claim that these metal-poor stars trace closely the barred structure formed of intermediate-age red clump giants. The distance to the Galactic center (GC) inferred from the bulge RR Lyrae stars is R_0=8.27+/-0.01(stat)+/-0.40(sys) kpc. We show that their spatial distribution has the shape of a triaxial ellipsoid with an major axis located in the Galactic plane and inclined","authors_text":"A. Udalski, D.M. Skowron, G. Pietrzynski, I. Soszynski, J. Skowron, K. Ulaczyk, L. Wyrzykowski, M.K. Szymanski, M. Kubiak (Warsaw Univ. Observatory), P. Mroz, P. Pietrukowicz, R. Poleski, S. Kozlowski","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-12T21:00:02Z","title":"Deciphering the 3D structure of the old Galactic bulge from the OGLE RR Lyrae stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1412.4121","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:fc4c97aac2810c9ceafca35064ebd7d76a16ddb189b407370c67a703819b683e","target":"record","created_at":"2026-05-18T01:31:03Z","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":"b8a65470ab525a396222a4aa287683cdcf2eac5daf8946120a0482f2567b914b","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-12-12T21:00:02Z","title_canon_sha256":"de6a6450a9b5f37dafc4f9c2029bbcf226e4d0e7cfec34439432628876296002"},"schema_version":"1.0","source":{"id":"1412.4121","kind":"arxiv","version":2}},"canonical_sha256":"7c0c400f3bf1ca81599ae3ece43103898eb755fe054637d89703d1bb852d982c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7c0c400f3bf1ca81599ae3ece43103898eb755fe054637d89703d1bb852d982c","first_computed_at":"2026-05-18T01:31:03.484663Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:31:03.484663Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cUUwMAmQlrff+YQXZKjlmbgojdXQ2i3I5v8odDV8Sz0Z/T0WPkoIPgcX1ga3FxwxYnWMD3sR0bvCARlO/3ZqCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:31:03.485123Z","signed_message":"canonical_sha256_bytes"},"source_id":"1412.4121","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fc4c97aac2810c9ceafca35064ebd7d76a16ddb189b407370c67a703819b683e","sha256:bc9789c5d8aa910ac7e32280a9c68a41ae557311b0de78a91f81ed7a7f6cc989"],"state_sha256":"b3b3a1c60301968a19aecc86788a4f3e74482b47d31115c21a3e8f50be483f0f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"putNXmfFCMW9/PYqCRYqUDHCQqM59TjpmgvzpwIil2jYakYhh0SRSwiYzX9RGioevz3YcCxHS7cgp/hdKKUVBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T17:31:16.392586Z","bundle_sha256":"affec4091856cf1463153e0f7dd6a935d149fc142b76e3b7f7437d372ca45659"}}