{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:2WI6QMDPJQ4SX4YEMQX5MV6WWZ","short_pith_number":"pith:2WI6QMDP","canonical_record":{"source":{"id":"1811.09318","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-22T22:27:27Z","cross_cats_sorted":[],"title_canon_sha256":"300a227943750227a7716a63202072541764f9129f9f038b1d08c3f089b8d213","abstract_canon_sha256":"36691f7a2aecc947b85b988a1e9e37fca1bba7fca4834d116297601275330b2f"},"schema_version":"1.0"},"canonical_sha256":"d591e8306f4c392bf304642fd657d6b662334591f552b5318a7350cd3dcda89b","source":{"kind":"arxiv","id":"1811.09318","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.09318","created_at":"2026-05-17T23:49:40Z"},{"alias_kind":"arxiv_version","alias_value":"1811.09318v2","created_at":"2026-05-17T23:49:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.09318","created_at":"2026-05-17T23:49:40Z"},{"alias_kind":"pith_short_12","alias_value":"2WI6QMDPJQ4S","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2WI6QMDPJQ4SX4YE","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2WI6QMDP","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:2WI6QMDPJQ4SX4YEMQX5MV6WWZ","target":"record","payload":{"canonical_record":{"source":{"id":"1811.09318","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-22T22:27:27Z","cross_cats_sorted":[],"title_canon_sha256":"300a227943750227a7716a63202072541764f9129f9f038b1d08c3f089b8d213","abstract_canon_sha256":"36691f7a2aecc947b85b988a1e9e37fca1bba7fca4834d116297601275330b2f"},"schema_version":"1.0"},"canonical_sha256":"d591e8306f4c392bf304642fd657d6b662334591f552b5318a7350cd3dcda89b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:40.406405Z","signature_b64":"jFjzi+CUJeAMI0dkIjETBt9GXqVmcg6ZWoBE9/G4HOhwKo7LdCPtSTbk4cx4I7GdDu42QoU7PMKvcmqXmEZXBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d591e8306f4c392bf304642fd657d6b662334591f552b5318a7350cd3dcda89b","last_reissued_at":"2026-05-17T23:49:40.405704Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:40.405704Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1811.09318","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":"2026-05-17T23:49:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mmJ6rpwbjgH/dsgErXZUEVt9mIIFlldaDul6jChIO110qlF/tgbZnAYRYaJ8NNW0zYtkO2WHXx1R10j/mbY+CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:04:18.143681Z"},"content_sha256":"732bedfc0a3a2b86754e451b84dad8e704c73697b6c7220450140e9ce669f764","schema_version":"1.0","event_id":"sha256:732bedfc0a3a2b86754e451b84dad8e704c73697b6c7220450140e9ce669f764"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:2WI6QMDPJQ4SX4YEMQX5MV6WWZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Proper Motion Field Along the Magellanic Bridge: a New Probe of the LMC-SMC Interaction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andr\\'es del Pino, Gurtina Besla, J. Anderson, Nitya Kallivayalil, Paul Zivick, Roeland P. van der Marel, Sangmo Tony Sohn, Sean T. Linden, Tobias K. Fritz","submitted_at":"2018-11-22T22:27:27Z","abstract_excerpt":"We present the first detailed kinematic analysis of the proper motions (PMs) of stars in the Magellanic Bridge, from both the \\textit{Gaia} Data Release 2 catalog and from \\textit{Hubble Space Telescope} Advanced Camera for Surveys data. For the \\textit{Gaia} data, we identify and select two populations of stars in the Bridge region, young main sequence (MS) and red giant stars. The spatial locations of the stars are compared against the known H {\\small I} gas structure, finding a correlation between the MS stars and the H {\\small I} gas. In the \\textit{Hubble Space Telescope} fields our signa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.09318","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":"2026-05-17T23:49:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n37hJoR4x4a6iS8P7g5DzyDxDqCc4q78BjCbwC/Rr8HxkpRsEwEINqQGjQMD2DwtNvBaVwLj1ODv+uG4THsnAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T11:04:18.144306Z"},"content_sha256":"b5df0eac3dc95f910bc992070a2ab93c5a970eeb7b5d93fed5c958aa3e224f32","schema_version":"1.0","event_id":"sha256:b5df0eac3dc95f910bc992070a2ab93c5a970eeb7b5d93fed5c958aa3e224f32"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2WI6QMDPJQ4SX4YEMQX5MV6WWZ/bundle.json","state_url":"https://pith.science/pith/2WI6QMDPJQ4SX4YEMQX5MV6WWZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2WI6QMDPJQ4SX4YEMQX5MV6WWZ/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":"2026-05-26T11:04:18Z","links":{"resolver":"https://pith.science/pith/2WI6QMDPJQ4SX4YEMQX5MV6WWZ","bundle":"https://pith.science/pith/2WI6QMDPJQ4SX4YEMQX5MV6WWZ/bundle.json","state":"https://pith.science/pith/2WI6QMDPJQ4SX4YEMQX5MV6WWZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2WI6QMDPJQ4SX4YEMQX5MV6WWZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:2WI6QMDPJQ4SX4YEMQX5MV6WWZ","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":"36691f7a2aecc947b85b988a1e9e37fca1bba7fca4834d116297601275330b2f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-22T22:27:27Z","title_canon_sha256":"300a227943750227a7716a63202072541764f9129f9f038b1d08c3f089b8d213"},"schema_version":"1.0","source":{"id":"1811.09318","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1811.09318","created_at":"2026-05-17T23:49:40Z"},{"alias_kind":"arxiv_version","alias_value":"1811.09318v2","created_at":"2026-05-17T23:49:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1811.09318","created_at":"2026-05-17T23:49:40Z"},{"alias_kind":"pith_short_12","alias_value":"2WI6QMDPJQ4S","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"2WI6QMDPJQ4SX4YE","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"2WI6QMDP","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:b5df0eac3dc95f910bc992070a2ab93c5a970eeb7b5d93fed5c958aa3e224f32","target":"graph","created_at":"2026-05-17T23:49:40Z","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 the first detailed kinematic analysis of the proper motions (PMs) of stars in the Magellanic Bridge, from both the \\textit{Gaia} Data Release 2 catalog and from \\textit{Hubble Space Telescope} Advanced Camera for Surveys data. For the \\textit{Gaia} data, we identify and select two populations of stars in the Bridge region, young main sequence (MS) and red giant stars. The spatial locations of the stars are compared against the known H {\\small I} gas structure, finding a correlation between the MS stars and the H {\\small I} gas. In the \\textit{Hubble Space Telescope} fields our signa","authors_text":"Andr\\'es del Pino, Gurtina Besla, J. Anderson, Nitya Kallivayalil, Paul Zivick, Roeland P. van der Marel, Sangmo Tony Sohn, Sean T. Linden, Tobias K. Fritz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-22T22:27:27Z","title":"The Proper Motion Field Along the Magellanic Bridge: a New Probe of the LMC-SMC Interaction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1811.09318","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":"sha256:732bedfc0a3a2b86754e451b84dad8e704c73697b6c7220450140e9ce669f764","target":"record","created_at":"2026-05-17T23:49:40Z","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":"36691f7a2aecc947b85b988a1e9e37fca1bba7fca4834d116297601275330b2f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-11-22T22:27:27Z","title_canon_sha256":"300a227943750227a7716a63202072541764f9129f9f038b1d08c3f089b8d213"},"schema_version":"1.0","source":{"id":"1811.09318","kind":"arxiv","version":2}},"canonical_sha256":"d591e8306f4c392bf304642fd657d6b662334591f552b5318a7350cd3dcda89b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d591e8306f4c392bf304642fd657d6b662334591f552b5318a7350cd3dcda89b","first_computed_at":"2026-05-17T23:49:40.405704Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:40.405704Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jFjzi+CUJeAMI0dkIjETBt9GXqVmcg6ZWoBE9/G4HOhwKo7LdCPtSTbk4cx4I7GdDu42QoU7PMKvcmqXmEZXBg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:40.406405Z","signed_message":"canonical_sha256_bytes"},"source_id":"1811.09318","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:732bedfc0a3a2b86754e451b84dad8e704c73697b6c7220450140e9ce669f764","sha256:b5df0eac3dc95f910bc992070a2ab93c5a970eeb7b5d93fed5c958aa3e224f32"],"state_sha256":"f547766ec0ee4f84af4aa2220a7a88f1019e4abb2b649660337abff6ee8e8f9a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EA4zCtVGieGPbe5Nxm1w2j/MMGYcu3uozAQSTeT7FSgYJvJ0wwof7Ocl8gU8t2QcqdVqEcMt2E2Yn6z5lJYECw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T11:04:18.148134Z","bundle_sha256":"6913dada606c9cd05a35b486b7355e1a41d7382793af1c8ec577192b2eb5fd04"}}