{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:CHIXJJXACBZ4FFJ3RCSX7P5JZC","short_pith_number":"pith:CHIXJJXA","canonical_record":{"source":{"id":"1905.13592","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-31T12:58:51Z","cross_cats_sorted":[],"title_canon_sha256":"51d9bb6024f53bf66fcb1111b61941e3a2b846661ea7c71c461105fe9c300c95","abstract_canon_sha256":"79e4b75fd1d0d06a48bc45f0108d80136da60bc2219d1fc3ca5058f8c7450a3a"},"schema_version":"1.0"},"canonical_sha256":"11d174a6e01073c2953b88a57fbfa9c88519e1ad8603f1a51410881dcc506855","source":{"kind":"arxiv","id":"1905.13592","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.13592","created_at":"2026-05-17T23:41:08Z"},{"alias_kind":"arxiv_version","alias_value":"1905.13592v1","created_at":"2026-05-17T23:41:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.13592","created_at":"2026-05-17T23:41:08Z"},{"alias_kind":"pith_short_12","alias_value":"CHIXJJXACBZ4","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"CHIXJJXACBZ4FFJ3","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"CHIXJJXA","created_at":"2026-05-18T12:33:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:CHIXJJXACBZ4FFJ3RCSX7P5JZC","target":"record","payload":{"canonical_record":{"source":{"id":"1905.13592","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-31T12:58:51Z","cross_cats_sorted":[],"title_canon_sha256":"51d9bb6024f53bf66fcb1111b61941e3a2b846661ea7c71c461105fe9c300c95","abstract_canon_sha256":"79e4b75fd1d0d06a48bc45f0108d80136da60bc2219d1fc3ca5058f8c7450a3a"},"schema_version":"1.0"},"canonical_sha256":"11d174a6e01073c2953b88a57fbfa9c88519e1ad8603f1a51410881dcc506855","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:41:08.057018Z","signature_b64":"8IfMEtUzrkxa85Kv2KPnLdjeE4yiv+hSccmMpCMw2UfK9zHBpYdM0fSIkzw3sHQNacghykzG83f7MPUeBCE6DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"11d174a6e01073c2953b88a57fbfa9c88519e1ad8603f1a51410881dcc506855","last_reissued_at":"2026-05-17T23:41:08.056473Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:41:08.056473Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.13592","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":"2026-05-17T23:41:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xyNjCvW5QqtunJEKy/5Sl66NIjETarQB03MitTQSTmeafvs4kTpYw88CsWWeqAqTQWW17oh2O8MJCuziLtorDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T10:25:03.586420Z"},"content_sha256":"5e9e30e34ca397be227a242671cf9c990d233f29c9f530a625c1ff75f1def750","schema_version":"1.0","event_id":"sha256:5e9e30e34ca397be227a242671cf9c990d233f29c9f530a625c1ff75f1def750"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:CHIXJJXACBZ4FFJ3RCSX7P5JZC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Distribution of red clump stars does not support the X-shaped Galactic bulge","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"D. Lim, F. Garzon, M. Lopez-Corredoira, Y.-W. Lee","submitted_at":"2019-05-31T12:58:51Z","abstract_excerpt":"CONTEXT. Claims of an X-shaped Galactic bulge were based on the assumption of red clump stars as standard candles in some lines of sight crossing the off-plane bulge. However, some doubts have been cast on whether the two peaks in star counts along the line of sight really represent a double peak in the density distribution, or whether there is something wrong with the assumption of a unique constant absolute magnitude for all of these stars.\n  AIMS. With the advent of Gaia-DR2 parallaxes in combination with near-infrared VISTA-VVV data, we are able to check which of the hypotheses is correct."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.13592","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":"2026-05-17T23:41:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7q7tv962xIT4oLi66/wE8+fw/gBi8+yPgmemnhbtTFb0TngeX+OPBDwviEw74FSJ3cnoTnCR6Ttz8ml3WAWQAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T10:25:03.586760Z"},"content_sha256":"f8a77f112f26e8f5bbeda16c3e62c4c58f7c0a183b32e03937b10908b0cd7676","schema_version":"1.0","event_id":"sha256:f8a77f112f26e8f5bbeda16c3e62c4c58f7c0a183b32e03937b10908b0cd7676"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CHIXJJXACBZ4FFJ3RCSX7P5JZC/bundle.json","state_url":"https://pith.science/pith/CHIXJJXACBZ4FFJ3RCSX7P5JZC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CHIXJJXACBZ4FFJ3RCSX7P5JZC/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":"2026-06-02T10:25:03Z","links":{"resolver":"https://pith.science/pith/CHIXJJXACBZ4FFJ3RCSX7P5JZC","bundle":"https://pith.science/pith/CHIXJJXACBZ4FFJ3RCSX7P5JZC/bundle.json","state":"https://pith.science/pith/CHIXJJXACBZ4FFJ3RCSX7P5JZC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CHIXJJXACBZ4FFJ3RCSX7P5JZC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:CHIXJJXACBZ4FFJ3RCSX7P5JZC","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":"79e4b75fd1d0d06a48bc45f0108d80136da60bc2219d1fc3ca5058f8c7450a3a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-31T12:58:51Z","title_canon_sha256":"51d9bb6024f53bf66fcb1111b61941e3a2b846661ea7c71c461105fe9c300c95"},"schema_version":"1.0","source":{"id":"1905.13592","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.13592","created_at":"2026-05-17T23:41:08Z"},{"alias_kind":"arxiv_version","alias_value":"1905.13592v1","created_at":"2026-05-17T23:41:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.13592","created_at":"2026-05-17T23:41:08Z"},{"alias_kind":"pith_short_12","alias_value":"CHIXJJXACBZ4","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_16","alias_value":"CHIXJJXACBZ4FFJ3","created_at":"2026-05-18T12:33:12Z"},{"alias_kind":"pith_short_8","alias_value":"CHIXJJXA","created_at":"2026-05-18T12:33:12Z"}],"graph_snapshots":[{"event_id":"sha256:f8a77f112f26e8f5bbeda16c3e62c4c58f7c0a183b32e03937b10908b0cd7676","target":"graph","created_at":"2026-05-17T23:41:08Z","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":"CONTEXT. Claims of an X-shaped Galactic bulge were based on the assumption of red clump stars as standard candles in some lines of sight crossing the off-plane bulge. However, some doubts have been cast on whether the two peaks in star counts along the line of sight really represent a double peak in the density distribution, or whether there is something wrong with the assumption of a unique constant absolute magnitude for all of these stars.\n  AIMS. With the advent of Gaia-DR2 parallaxes in combination with near-infrared VISTA-VVV data, we are able to check which of the hypotheses is correct.","authors_text":"D. Lim, F. Garzon, M. Lopez-Corredoira, Y.-W. Lee","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-31T12:58:51Z","title":"Distribution of red clump stars does not support the X-shaped Galactic bulge"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.13592","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":"sha256:5e9e30e34ca397be227a242671cf9c990d233f29c9f530a625c1ff75f1def750","target":"record","created_at":"2026-05-17T23:41:08Z","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":"79e4b75fd1d0d06a48bc45f0108d80136da60bc2219d1fc3ca5058f8c7450a3a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-31T12:58:51Z","title_canon_sha256":"51d9bb6024f53bf66fcb1111b61941e3a2b846661ea7c71c461105fe9c300c95"},"schema_version":"1.0","source":{"id":"1905.13592","kind":"arxiv","version":1}},"canonical_sha256":"11d174a6e01073c2953b88a57fbfa9c88519e1ad8603f1a51410881dcc506855","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"11d174a6e01073c2953b88a57fbfa9c88519e1ad8603f1a51410881dcc506855","first_computed_at":"2026-05-17T23:41:08.056473Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:41:08.056473Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8IfMEtUzrkxa85Kv2KPnLdjeE4yiv+hSccmMpCMw2UfK9zHBpYdM0fSIkzw3sHQNacghykzG83f7MPUeBCE6DQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:41:08.057018Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.13592","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5e9e30e34ca397be227a242671cf9c990d233f29c9f530a625c1ff75f1def750","sha256:f8a77f112f26e8f5bbeda16c3e62c4c58f7c0a183b32e03937b10908b0cd7676"],"state_sha256":"d0296b9babc1bbe007373b505fe5a997f940cc5c0dab28585d8f880046f088de"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ukTRnOHlKKs6ixYFXb76gOgo50yB2XPZxuTDFy+XzAa/yl7E1wpdnfnpvfvUIm1Yc1uTzLXdgU0WfdyKLyiNCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T10:25:03.588587Z","bundle_sha256":"9d322714c524192dd7999c33f4155ea875f32abf2c5a71e11de05b8188d5cf06"}}