{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JGO6NSLNS6ZPZK3PTGDMXLKDQ6","short_pith_number":"pith:JGO6NSLN","canonical_record":{"source":{"id":"1801.01171","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-03T21:02:47Z","cross_cats_sorted":[],"title_canon_sha256":"7f2defa08c63278f61cf81f210dec4870bd2e9ddc62d8fc9198836a71b41416b","abstract_canon_sha256":"ba0576e8ebcf61670c2afc8382f22888e4aa6ead8f2b3b3b90bf39ed0bcbe9ce"},"schema_version":"1.0"},"canonical_sha256":"499de6c96d97b2fcab6f9986cbad4387856010e16c4d911add1724e77e0cce46","source":{"kind":"arxiv","id":"1801.01171","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.01171","created_at":"2026-05-18T00:22:56Z"},{"alias_kind":"arxiv_version","alias_value":"1801.01171v1","created_at":"2026-05-18T00:22:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.01171","created_at":"2026-05-18T00:22:56Z"},{"alias_kind":"pith_short_12","alias_value":"JGO6NSLNS6ZP","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JGO6NSLNS6ZPZK3P","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JGO6NSLN","created_at":"2026-05-18T12:32:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JGO6NSLNS6ZPZK3PTGDMXLKDQ6","target":"record","payload":{"canonical_record":{"source":{"id":"1801.01171","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-03T21:02:47Z","cross_cats_sorted":[],"title_canon_sha256":"7f2defa08c63278f61cf81f210dec4870bd2e9ddc62d8fc9198836a71b41416b","abstract_canon_sha256":"ba0576e8ebcf61670c2afc8382f22888e4aa6ead8f2b3b3b90bf39ed0bcbe9ce"},"schema_version":"1.0"},"canonical_sha256":"499de6c96d97b2fcab6f9986cbad4387856010e16c4d911add1724e77e0cce46","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:56.929158Z","signature_b64":"aKm69nVmVxGKk2v/LqoxYop516cH9S0LuyL+VAQiRb90l4RM4VLAhkLHG28YzYT+dKpSJkrPFefudvrVLt1hDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"499de6c96d97b2fcab6f9986cbad4387856010e16c4d911add1724e77e0cce46","last_reissued_at":"2026-05-18T00:22:56.928642Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:56.928642Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.01171","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":"2026-05-18T00:22:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ocymIxtHIedGCwl123kXZHRz2JFxvzJkAP3W8qVNnk/Bl+gE9NO8UJxQwb6+RO9DuKm3WyRV1n+CxuPnX2ExBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:17:51.997030Z"},"content_sha256":"22bfefd933eb4c36ce68063a832dbfe658185e1b52bb36c9fcc6c0a1b1fbf75e","schema_version":"1.0","event_id":"sha256:22bfefd933eb4c36ce68063a832dbfe658185e1b52bb36c9fcc6c0a1b1fbf75e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JGO6NSLNS6ZPZK3PTGDMXLKDQ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Disk Origin for the Monoceros Ring and A13 Stellar Overdensities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adrian M. Price-Whelan, Allyson A. Sheffield, Anastasios Tzanidakis, Branimir Sesar, Chervin Laporte, Kathryn V. Johnston","submitted_at":"2018-01-03T21:02:47Z","abstract_excerpt":"The Monoceros Ring (also known as the Galactic Anticenter Stellar Structure) and A13 are stellar overdensities at estimated heliocentric distances of $d \\sim 11$ kpc and 15 kpc observed at low Galactic latitudes towards the anticenter of our Galaxy. While these overdensities were initially thought to be remnants of a tidally-disrupted satellite galaxy, an alternate scenario is that they are composed of stars from the Milky Way (MW) disk kicked out to their current location due to interactions between a satellite galaxy and the disk. To test this scenario, we study the stellar populations of th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.01171","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":"2026-05-18T00:22:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2Fdu9K8EpUwDSTmblCQaERaYHKQRRWvie9He7BHs0Ao3Y1Hv2pClEE4w72gvdLgBeZVBYqmgcR4IHBnBqN5jDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:17:51.997670Z"},"content_sha256":"90de0424bb334836cf18866123b6a27b66bce8c3ad9edac5b97c829a34d160de","schema_version":"1.0","event_id":"sha256:90de0424bb334836cf18866123b6a27b66bce8c3ad9edac5b97c829a34d160de"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JGO6NSLNS6ZPZK3PTGDMXLKDQ6/bundle.json","state_url":"https://pith.science/pith/JGO6NSLNS6ZPZK3PTGDMXLKDQ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JGO6NSLNS6ZPZK3PTGDMXLKDQ6/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":"2026-06-02T06:17:51Z","links":{"resolver":"https://pith.science/pith/JGO6NSLNS6ZPZK3PTGDMXLKDQ6","bundle":"https://pith.science/pith/JGO6NSLNS6ZPZK3PTGDMXLKDQ6/bundle.json","state":"https://pith.science/pith/JGO6NSLNS6ZPZK3PTGDMXLKDQ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JGO6NSLNS6ZPZK3PTGDMXLKDQ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JGO6NSLNS6ZPZK3PTGDMXLKDQ6","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":"ba0576e8ebcf61670c2afc8382f22888e4aa6ead8f2b3b3b90bf39ed0bcbe9ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-03T21:02:47Z","title_canon_sha256":"7f2defa08c63278f61cf81f210dec4870bd2e9ddc62d8fc9198836a71b41416b"},"schema_version":"1.0","source":{"id":"1801.01171","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.01171","created_at":"2026-05-18T00:22:56Z"},{"alias_kind":"arxiv_version","alias_value":"1801.01171v1","created_at":"2026-05-18T00:22:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.01171","created_at":"2026-05-18T00:22:56Z"},{"alias_kind":"pith_short_12","alias_value":"JGO6NSLNS6ZP","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_16","alias_value":"JGO6NSLNS6ZPZK3P","created_at":"2026-05-18T12:32:31Z"},{"alias_kind":"pith_short_8","alias_value":"JGO6NSLN","created_at":"2026-05-18T12:32:31Z"}],"graph_snapshots":[{"event_id":"sha256:90de0424bb334836cf18866123b6a27b66bce8c3ad9edac5b97c829a34d160de","target":"graph","created_at":"2026-05-18T00:22:56Z","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":"The Monoceros Ring (also known as the Galactic Anticenter Stellar Structure) and A13 are stellar overdensities at estimated heliocentric distances of $d \\sim 11$ kpc and 15 kpc observed at low Galactic latitudes towards the anticenter of our Galaxy. While these overdensities were initially thought to be remnants of a tidally-disrupted satellite galaxy, an alternate scenario is that they are composed of stars from the Milky Way (MW) disk kicked out to their current location due to interactions between a satellite galaxy and the disk. To test this scenario, we study the stellar populations of th","authors_text":"Adrian M. Price-Whelan, Allyson A. Sheffield, Anastasios Tzanidakis, Branimir Sesar, Chervin Laporte, Kathryn V. Johnston","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-03T21:02:47Z","title":"A Disk Origin for the Monoceros Ring and A13 Stellar Overdensities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.01171","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":"sha256:22bfefd933eb4c36ce68063a832dbfe658185e1b52bb36c9fcc6c0a1b1fbf75e","target":"record","created_at":"2026-05-18T00:22:56Z","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":"ba0576e8ebcf61670c2afc8382f22888e4aa6ead8f2b3b3b90bf39ed0bcbe9ce","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-01-03T21:02:47Z","title_canon_sha256":"7f2defa08c63278f61cf81f210dec4870bd2e9ddc62d8fc9198836a71b41416b"},"schema_version":"1.0","source":{"id":"1801.01171","kind":"arxiv","version":1}},"canonical_sha256":"499de6c96d97b2fcab6f9986cbad4387856010e16c4d911add1724e77e0cce46","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"499de6c96d97b2fcab6f9986cbad4387856010e16c4d911add1724e77e0cce46","first_computed_at":"2026-05-18T00:22:56.928642Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:56.928642Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aKm69nVmVxGKk2v/LqoxYop516cH9S0LuyL+VAQiRb90l4RM4VLAhkLHG28YzYT+dKpSJkrPFefudvrVLt1hDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:56.929158Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.01171","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:22bfefd933eb4c36ce68063a832dbfe658185e1b52bb36c9fcc6c0a1b1fbf75e","sha256:90de0424bb334836cf18866123b6a27b66bce8c3ad9edac5b97c829a34d160de"],"state_sha256":"82d5ac2d61e05a013a93fbfaf9dd6d954be52278138614fff8f0a867ae68c60b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xYPzba69lUlQ0NCoDmKf3jqGi8lXMnguzKZIZPMNmGbT8yIs4tX1hkP5DUKpFYElMbZZ4DRZrVNfcT3FGiROAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T06:17:52.001335Z","bundle_sha256":"305cbd5bfdb2c964779cf3171a9c58088f9771251cb25b6b25a94a86414783c4"}}