{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:OZ45MXGB7Q5KKTQSTR75C24W36","short_pith_number":"pith:OZ45MXGB","canonical_record":{"source":{"id":"1801.10260","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-31T00:51:43Z","cross_cats_sorted":[],"title_canon_sha256":"de4478bd5bf8c47b8f2328cfe2a5c7f6f2752b9ce8a55fbdf0baab823b6a4879","abstract_canon_sha256":"e877be72fb73704c93dc13b9cb8393114841bd07a3d5365c3e790ace6d5f2889"},"schema_version":"1.0"},"canonical_sha256":"7679d65cc1fc3aa54e129c7fd16b96df80a949e33c8b6e93c0ad8025e7915f54","source":{"kind":"arxiv","id":"1801.10260","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.10260","created_at":"2026-05-18T00:14:08Z"},{"alias_kind":"arxiv_version","alias_value":"1801.10260v2","created_at":"2026-05-18T00:14:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.10260","created_at":"2026-05-18T00:14:08Z"},{"alias_kind":"pith_short_12","alias_value":"OZ45MXGB7Q5K","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"OZ45MXGB7Q5KKTQS","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"OZ45MXGB","created_at":"2026-05-18T12:32:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:OZ45MXGB7Q5KKTQSTR75C24W36","target":"record","payload":{"canonical_record":{"source":{"id":"1801.10260","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-31T00:51:43Z","cross_cats_sorted":[],"title_canon_sha256":"de4478bd5bf8c47b8f2328cfe2a5c7f6f2752b9ce8a55fbdf0baab823b6a4879","abstract_canon_sha256":"e877be72fb73704c93dc13b9cb8393114841bd07a3d5365c3e790ace6d5f2889"},"schema_version":"1.0"},"canonical_sha256":"7679d65cc1fc3aa54e129c7fd16b96df80a949e33c8b6e93c0ad8025e7915f54","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:14:08.692436Z","signature_b64":"q1XDu7R7PgDvUVkFaPV9mAX4IkaLKGDDjgLmT1lULxz/0uqSTPVCCP2lFlXetQXRpqjd21ASGLtS4/2FpXGnBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7679d65cc1fc3aa54e129c7fd16b96df80a949e33c8b6e93c0ad8025e7915f54","last_reissued_at":"2026-05-18T00:14:08.691980Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:14:08.691980Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.10260","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":"2026-05-18T00:14:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FhfNGZzXPpVVL3Yo2/hpKtKcrbiYusKTDC1TX7JfnMbGqO4K6SzJcdei8vqPtYgncf0iBUcNlQ3IGIW7KEJZAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:08:37.588945Z"},"content_sha256":"c92ac325521eea3eba13d8808a432ef681d7641b44b4dc5505c9b9709cd8fd7f","schema_version":"1.0","event_id":"sha256:c92ac325521eea3eba13d8808a432ef681d7641b44b4dc5505c9b9709cd8fd7f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:OZ45MXGB7Q5KKTQSTR75C24W36","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Profile of the Galactic Halo from Pan-STARRS1 3$\\pi$ RR Lyrae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Branimir Sesar, Eugene Magnier, Hans-Walter Rix, Heather Flewelling, John L. Tonry, Judith G. Cohen, Ken Chambers, Klaus Hodapp, Nick Kaiser, Nicolas F. Martin, Nina Hernitschek, Richard Wainscoat, Rolf-Peter Kudritzki, William Burgett","submitted_at":"2018-01-31T00:51:43Z","abstract_excerpt":"We characterize the spatial density of the Pan-STARRS1 (PS1) sample of RR Lyrae stars, to study the properties of the old Galactic stellar halo as traced by RRab stars. This sample of 44,403 sources spans Galactocentric radii of $0.55 \\; \\mathrm{kpc} \\leq R_{\\mathrm{gc}} \\leq 141 \\; \\mathrm{kpc}$ with a distance precision of 3\\% and thus is able to trace the halo out to larger distances than most previous studies. After excising stars that are attributed to dense regions such as stellar streams, the Galactic disc and bulge as well as halo globular clusters, the sample contains ${\\sim}11,000$ s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.10260","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":"2026-05-18T00:14:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CseTzs1m5I1d9oB2oQro0aXTLRMQ+iDZNeAWYYf7HkU+s2ta/3kYOmiNxKft18Q4cQ+SMCH+oZcJZiYvAl1bCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T15:08:37.589595Z"},"content_sha256":"cc4b9f71c654810f57b01b0fc5761eb1477a0e10e46f7c7e1d5942c9ac631159","schema_version":"1.0","event_id":"sha256:cc4b9f71c654810f57b01b0fc5761eb1477a0e10e46f7c7e1d5942c9ac631159"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OZ45MXGB7Q5KKTQSTR75C24W36/bundle.json","state_url":"https://pith.science/pith/OZ45MXGB7Q5KKTQSTR75C24W36/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OZ45MXGB7Q5KKTQSTR75C24W36/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":"2026-06-02T15:08:37Z","links":{"resolver":"https://pith.science/pith/OZ45MXGB7Q5KKTQSTR75C24W36","bundle":"https://pith.science/pith/OZ45MXGB7Q5KKTQSTR75C24W36/bundle.json","state":"https://pith.science/pith/OZ45MXGB7Q5KKTQSTR75C24W36/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OZ45MXGB7Q5KKTQSTR75C24W36/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:OZ45MXGB7Q5KKTQSTR75C24W36","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":"e877be72fb73704c93dc13b9cb8393114841bd07a3d5365c3e790ace6d5f2889","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-31T00:51:43Z","title_canon_sha256":"de4478bd5bf8c47b8f2328cfe2a5c7f6f2752b9ce8a55fbdf0baab823b6a4879"},"schema_version":"1.0","source":{"id":"1801.10260","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.10260","created_at":"2026-05-18T00:14:08Z"},{"alias_kind":"arxiv_version","alias_value":"1801.10260v2","created_at":"2026-05-18T00:14:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.10260","created_at":"2026-05-18T00:14:08Z"},{"alias_kind":"pith_short_12","alias_value":"OZ45MXGB7Q5K","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_16","alias_value":"OZ45MXGB7Q5KKTQS","created_at":"2026-05-18T12:32:43Z"},{"alias_kind":"pith_short_8","alias_value":"OZ45MXGB","created_at":"2026-05-18T12:32:43Z"}],"graph_snapshots":[{"event_id":"sha256:cc4b9f71c654810f57b01b0fc5761eb1477a0e10e46f7c7e1d5942c9ac631159","target":"graph","created_at":"2026-05-18T00:14:08Z","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":"We characterize the spatial density of the Pan-STARRS1 (PS1) sample of RR Lyrae stars, to study the properties of the old Galactic stellar halo as traced by RRab stars. This sample of 44,403 sources spans Galactocentric radii of $0.55 \\; \\mathrm{kpc} \\leq R_{\\mathrm{gc}} \\leq 141 \\; \\mathrm{kpc}$ with a distance precision of 3\\% and thus is able to trace the halo out to larger distances than most previous studies. After excising stars that are attributed to dense regions such as stellar streams, the Galactic disc and bulge as well as halo globular clusters, the sample contains ${\\sim}11,000$ s","authors_text":"Branimir Sesar, Eugene Magnier, Hans-Walter Rix, Heather Flewelling, John L. Tonry, Judith G. Cohen, Ken Chambers, Klaus Hodapp, Nick Kaiser, Nicolas F. Martin, Nina Hernitschek, Richard Wainscoat, Rolf-Peter Kudritzki, William Burgett","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-31T00:51:43Z","title":"The Profile of the Galactic Halo from Pan-STARRS1 3$\\pi$ RR Lyrae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.10260","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:c92ac325521eea3eba13d8808a432ef681d7641b44b4dc5505c9b9709cd8fd7f","target":"record","created_at":"2026-05-18T00:14:08Z","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":"e877be72fb73704c93dc13b9cb8393114841bd07a3d5365c3e790ace6d5f2889","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-31T00:51:43Z","title_canon_sha256":"de4478bd5bf8c47b8f2328cfe2a5c7f6f2752b9ce8a55fbdf0baab823b6a4879"},"schema_version":"1.0","source":{"id":"1801.10260","kind":"arxiv","version":2}},"canonical_sha256":"7679d65cc1fc3aa54e129c7fd16b96df80a949e33c8b6e93c0ad8025e7915f54","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7679d65cc1fc3aa54e129c7fd16b96df80a949e33c8b6e93c0ad8025e7915f54","first_computed_at":"2026-05-18T00:14:08.691980Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:14:08.691980Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"q1XDu7R7PgDvUVkFaPV9mAX4IkaLKGDDjgLmT1lULxz/0uqSTPVCCP2lFlXetQXRpqjd21ASGLtS4/2FpXGnBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:14:08.692436Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.10260","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c92ac325521eea3eba13d8808a432ef681d7641b44b4dc5505c9b9709cd8fd7f","sha256:cc4b9f71c654810f57b01b0fc5761eb1477a0e10e46f7c7e1d5942c9ac631159"],"state_sha256":"6b8546c8604e0f8c30f7b404ae4d93bbf2718ef6bafdc899a2f4d15727c9ac5c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xc728jVio1Io9shzDlIxABCdRdna50HX2gU40zRCvVMI9zAgPec5mOFLUNFxe3thu40M1bjIZWO2acux4xOfCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T15:08:37.592197Z","bundle_sha256":"cafa55707eb6e8aaa2b256e5d580039e52c145a82ad269d6299af10af44d7fbc"}}