{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:OBSFPPG3CK5QVZ2MWCM632NVFV","short_pith_number":"pith:OBSFPPG3","canonical_record":{"source":{"id":"1710.09436","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-25T19:49:58Z","cross_cats_sorted":[],"title_canon_sha256":"1e64ea8c705632310460fb9a91f48e0a2d17387146dff58e68fc1719320cf12e","abstract_canon_sha256":"6a0536f51798fe83a824d9610ec78ec4fea93bc734dde27da26daa1bbf7874dd"},"schema_version":"1.0"},"canonical_sha256":"706457bcdb12bb0ae74cb099ede9b52d7332033a91265cedd1550ef8cf5dc406","source":{"kind":"arxiv","id":"1710.09436","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.09436","created_at":"2026-05-18T00:28:51Z"},{"alias_kind":"arxiv_version","alias_value":"1710.09436v1","created_at":"2026-05-18T00:28:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.09436","created_at":"2026-05-18T00:28:51Z"},{"alias_kind":"pith_short_12","alias_value":"OBSFPPG3CK5Q","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"OBSFPPG3CK5QVZ2M","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"OBSFPPG3","created_at":"2026-05-18T12:31:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:OBSFPPG3CK5QVZ2MWCM632NVFV","target":"record","payload":{"canonical_record":{"source":{"id":"1710.09436","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-25T19:49:58Z","cross_cats_sorted":[],"title_canon_sha256":"1e64ea8c705632310460fb9a91f48e0a2d17387146dff58e68fc1719320cf12e","abstract_canon_sha256":"6a0536f51798fe83a824d9610ec78ec4fea93bc734dde27da26daa1bbf7874dd"},"schema_version":"1.0"},"canonical_sha256":"706457bcdb12bb0ae74cb099ede9b52d7332033a91265cedd1550ef8cf5dc406","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:51.962899Z","signature_b64":"aVNkg2ju6tOZelHSTohA0JXXXccG0Xzwyr4tSOp4o2RlhYbUwzt0zN5J4jjiL7RFx/p9+Vlm9wV8qqGcymOhBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"706457bcdb12bb0ae74cb099ede9b52d7332033a91265cedd1550ef8cf5dc406","last_reissued_at":"2026-05-18T00:28:51.962161Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:51.962161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.09436","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":"2026-05-18T00:28:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vDaE3sQtOum6A7okb6pDjrjOvHtG/zOOBZZ+U3fPbcRKNv74ZP8TG5suB94Bw6BtAO4Pg2YCUfheCwlz4E+PCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T22:43:15.209248Z"},"content_sha256":"538d5fdfe616ff9570444bca0cd3fa5d2696346ec72cd834ee0cb261d9288abd","schema_version":"1.0","event_id":"sha256:538d5fdfe616ff9570444bca0cd3fa5d2696346ec72cd834ee0cb261d9288abd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:OBSFPPG3CK5QVZ2MWCM632NVFV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Geometry of Sagittarius Stream 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, David Martinez-Delgado, Eugene Magnier, Hans-Walter Rix, Kenneth C. Chambers, Klaus Hodapp, Nick Kaiser, Nicolas F. Martin, Nigel Metcalfe, Nina Hernitschek, Peter W. Draper, Richard Wainscoat, Rolf-Peter Kudritzki, Vasily Belokurov","submitted_at":"2017-10-25T19:49:58Z","abstract_excerpt":"We present a comprehensive and precise description of the Sagittarius (Sgr) stellar stream's 3D geometry as traced by its old stellar population. This analysis draws on the sample of ${\\sim}44,000$ RR Lyrae (RRab) stars from the Pan-STARRS1 (PS1) 3$\\pi$ survey (Hernitschek et al. 2016,Sesar et al. 2017b), which is ${\\sim}80\\%$ complete and ${\\sim}90\\%$ pure within 80~kpc, and extends to ${\\gtrsim} 120$~kpc with a distance precision of ${\\sim} 3\\%$. A projection of RR Lyrae stars within $|\\tilde{B}|_{\\odot}<9^\\circ$ of the Sgr stream's orbital plane reveals the morphology of both the leading an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.09436","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":"2026-05-18T00:28:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RYtB3c1FxpZcetuFjwfN39KEAfJFlAt40iuuOBvuwf9iL8pieofmMr9pkxld/oICLcvbkWkfknZFkwCxqKWADw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T22:43:15.209614Z"},"content_sha256":"150c80db3ea7efd7761685d59eab7b9eaaa7af7fd76d3250ed110a6eb06a814d","schema_version":"1.0","event_id":"sha256:150c80db3ea7efd7761685d59eab7b9eaaa7af7fd76d3250ed110a6eb06a814d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OBSFPPG3CK5QVZ2MWCM632NVFV/bundle.json","state_url":"https://pith.science/pith/OBSFPPG3CK5QVZ2MWCM632NVFV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OBSFPPG3CK5QVZ2MWCM632NVFV/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":"2026-06-01T22:43:15Z","links":{"resolver":"https://pith.science/pith/OBSFPPG3CK5QVZ2MWCM632NVFV","bundle":"https://pith.science/pith/OBSFPPG3CK5QVZ2MWCM632NVFV/bundle.json","state":"https://pith.science/pith/OBSFPPG3CK5QVZ2MWCM632NVFV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OBSFPPG3CK5QVZ2MWCM632NVFV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:OBSFPPG3CK5QVZ2MWCM632NVFV","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":"6a0536f51798fe83a824d9610ec78ec4fea93bc734dde27da26daa1bbf7874dd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-25T19:49:58Z","title_canon_sha256":"1e64ea8c705632310460fb9a91f48e0a2d17387146dff58e68fc1719320cf12e"},"schema_version":"1.0","source":{"id":"1710.09436","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.09436","created_at":"2026-05-18T00:28:51Z"},{"alias_kind":"arxiv_version","alias_value":"1710.09436v1","created_at":"2026-05-18T00:28:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.09436","created_at":"2026-05-18T00:28:51Z"},{"alias_kind":"pith_short_12","alias_value":"OBSFPPG3CK5Q","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"OBSFPPG3CK5QVZ2M","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"OBSFPPG3","created_at":"2026-05-18T12:31:34Z"}],"graph_snapshots":[{"event_id":"sha256:150c80db3ea7efd7761685d59eab7b9eaaa7af7fd76d3250ed110a6eb06a814d","target":"graph","created_at":"2026-05-18T00:28:51Z","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 comprehensive and precise description of the Sagittarius (Sgr) stellar stream's 3D geometry as traced by its old stellar population. This analysis draws on the sample of ${\\sim}44,000$ RR Lyrae (RRab) stars from the Pan-STARRS1 (PS1) 3$\\pi$ survey (Hernitschek et al. 2016,Sesar et al. 2017b), which is ${\\sim}80\\%$ complete and ${\\sim}90\\%$ pure within 80~kpc, and extends to ${\\gtrsim} 120$~kpc with a distance precision of ${\\sim} 3\\%$. A projection of RR Lyrae stars within $|\\tilde{B}|_{\\odot}<9^\\circ$ of the Sgr stream's orbital plane reveals the morphology of both the leading an","authors_text":"Branimir Sesar, David Martinez-Delgado, Eugene Magnier, Hans-Walter Rix, Kenneth C. Chambers, Klaus Hodapp, Nick Kaiser, Nicolas F. Martin, Nigel Metcalfe, Nina Hernitschek, Peter W. Draper, Richard Wainscoat, Rolf-Peter Kudritzki, Vasily Belokurov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-25T19:49:58Z","title":"The Geometry of Sagittarius Stream from Pan-STARRS1 3$\\pi$ RR Lyrae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.09436","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":"sha256:538d5fdfe616ff9570444bca0cd3fa5d2696346ec72cd834ee0cb261d9288abd","target":"record","created_at":"2026-05-18T00:28:51Z","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":"6a0536f51798fe83a824d9610ec78ec4fea93bc734dde27da26daa1bbf7874dd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-25T19:49:58Z","title_canon_sha256":"1e64ea8c705632310460fb9a91f48e0a2d17387146dff58e68fc1719320cf12e"},"schema_version":"1.0","source":{"id":"1710.09436","kind":"arxiv","version":1}},"canonical_sha256":"706457bcdb12bb0ae74cb099ede9b52d7332033a91265cedd1550ef8cf5dc406","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"706457bcdb12bb0ae74cb099ede9b52d7332033a91265cedd1550ef8cf5dc406","first_computed_at":"2026-05-18T00:28:51.962161Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:51.962161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aVNkg2ju6tOZelHSTohA0JXXXccG0Xzwyr4tSOp4o2RlhYbUwzt0zN5J4jjiL7RFx/p9+Vlm9wV8qqGcymOhBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:51.962899Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.09436","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:538d5fdfe616ff9570444bca0cd3fa5d2696346ec72cd834ee0cb261d9288abd","sha256:150c80db3ea7efd7761685d59eab7b9eaaa7af7fd76d3250ed110a6eb06a814d"],"state_sha256":"be91645414dc754c31fbedae7a91725ecaf26cd807bb365a11073b16150f1d07"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AK2CFH7Ps1FL3J+d69mM0iexndHuPEsB2m3Omm/BWzNOgQoiJzLyJjRFebmOW61Dakj40KioX48DkCNtW59yDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T22:43:15.211582Z","bundle_sha256":"c3d80534acd601b64d46059de4e62c2912c3cef05aa806bea4ba3cf51bdadcb7"}}