{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:ODHGFQUONJSHTSW77IJP7HPQAO","short_pith_number":"pith:ODHGFQUO","canonical_record":{"source":{"id":"1606.00977","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-06-03T06:32:17Z","cross_cats_sorted":[],"title_canon_sha256":"75218005c53fd453c12a0c3b5cbd82dfbdf95ce65b41d77dc51d93114f901229","abstract_canon_sha256":"b5d37728f494e792be1c80372c8e392db7fa5ffdade1dd134139ab52eec5a540"},"schema_version":"1.0"},"canonical_sha256":"70ce62c28e6a6479cadffa12ff9df003b81c40e78a7402572db4e8fc484a653b","source":{"kind":"arxiv","id":"1606.00977","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.00977","created_at":"2026-05-18T01:12:26Z"},{"alias_kind":"arxiv_version","alias_value":"1606.00977v1","created_at":"2026-05-18T01:12:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.00977","created_at":"2026-05-18T01:12:26Z"},{"alias_kind":"pith_short_12","alias_value":"ODHGFQUONJSH","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"ODHGFQUONJSHTSW7","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"ODHGFQUO","created_at":"2026-05-18T12:30:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:ODHGFQUONJSHTSW77IJP7HPQAO","target":"record","payload":{"canonical_record":{"source":{"id":"1606.00977","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-06-03T06:32:17Z","cross_cats_sorted":[],"title_canon_sha256":"75218005c53fd453c12a0c3b5cbd82dfbdf95ce65b41d77dc51d93114f901229","abstract_canon_sha256":"b5d37728f494e792be1c80372c8e392db7fa5ffdade1dd134139ab52eec5a540"},"schema_version":"1.0"},"canonical_sha256":"70ce62c28e6a6479cadffa12ff9df003b81c40e78a7402572db4e8fc484a653b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:26.259875Z","signature_b64":"KcFfIdFLWbdSF7cQdupd/vDaZ7DFBP05Nr2Hr2TL9AfwxkRcI/wJDaij6M8lxui3Z0rNyfEk6lB4ncZfkbJ9CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"70ce62c28e6a6479cadffa12ff9df003b81c40e78a7402572db4e8fc484a653b","last_reissued_at":"2026-05-18T01:12:26.259436Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:26.259436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1606.00977","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":"2026-05-18T01:12:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gjviJlq+8LUOyE4/RPCjcu2H+aRktFCyGUkm6nOcqIJIjS2wTu28ufRcpjd+iSRTcAtNcXpxeA/fISiqLp4LBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:45:53.695311Z"},"content_sha256":"1451f07ac58d978844c72b7e238a02c56868edee43da5d23d351c213d92ed10d","schema_version":"1.0","event_id":"sha256:1451f07ac58d978844c72b7e238a02c56868edee43da5d23d351c213d92ed10d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:ODHGFQUONJSHTSW77IJP7HPQAO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Proper Motion of the Draco Dwarf Galaxy from Subaru Suprime-Cam Data","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Dana I. Casetti-Dinescu, Terrence M. Girard","submitted_at":"2016-06-03T06:32:17Z","abstract_excerpt":"We have measured the absolute proper motion of the Draco dwarf spheroidal galaxy using Subaru Suprime-Cam images taken at three epochs, with time baselines of 4.4 and 7 years. The magnitude limit of the proper-motion study is i=25, thus allowing for thousands of background galaxies and Draco stars to be used to perform extensive astrometric tests and to derive the correction to an inertial reference frame. The derived proper motion is (mu_alpha, mu_delta) =(-0.284 +- 0.047, -0.289 +-0.041) mas/yr. This motion implies an orbit that takes Draco to a pericenter of $\\sim 20$ kpc; a somewhat disrup"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.00977","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":"2026-05-18T01:12:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"la5u8SAsJLeZOQv6GkvzSzXZUS2PzA/STIn5ctXFzzqGCKQLVn1yj4+NcPk7ce/tboqbPGI9X3n5VGNmLMFCBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:45:53.695694Z"},"content_sha256":"27ed302071efc0268bcc4cea0f79c7ae785ce66813d72c27298d0b24eea1375e","schema_version":"1.0","event_id":"sha256:27ed302071efc0268bcc4cea0f79c7ae785ce66813d72c27298d0b24eea1375e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ODHGFQUONJSHTSW77IJP7HPQAO/bundle.json","state_url":"https://pith.science/pith/ODHGFQUONJSHTSW77IJP7HPQAO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ODHGFQUONJSHTSW77IJP7HPQAO/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":"2026-05-28T09:45:53Z","links":{"resolver":"https://pith.science/pith/ODHGFQUONJSHTSW77IJP7HPQAO","bundle":"https://pith.science/pith/ODHGFQUONJSHTSW77IJP7HPQAO/bundle.json","state":"https://pith.science/pith/ODHGFQUONJSHTSW77IJP7HPQAO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ODHGFQUONJSHTSW77IJP7HPQAO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:ODHGFQUONJSHTSW77IJP7HPQAO","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":"b5d37728f494e792be1c80372c8e392db7fa5ffdade1dd134139ab52eec5a540","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-06-03T06:32:17Z","title_canon_sha256":"75218005c53fd453c12a0c3b5cbd82dfbdf95ce65b41d77dc51d93114f901229"},"schema_version":"1.0","source":{"id":"1606.00977","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1606.00977","created_at":"2026-05-18T01:12:26Z"},{"alias_kind":"arxiv_version","alias_value":"1606.00977v1","created_at":"2026-05-18T01:12:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1606.00977","created_at":"2026-05-18T01:12:26Z"},{"alias_kind":"pith_short_12","alias_value":"ODHGFQUONJSH","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_16","alias_value":"ODHGFQUONJSHTSW7","created_at":"2026-05-18T12:30:36Z"},{"alias_kind":"pith_short_8","alias_value":"ODHGFQUO","created_at":"2026-05-18T12:30:36Z"}],"graph_snapshots":[{"event_id":"sha256:27ed302071efc0268bcc4cea0f79c7ae785ce66813d72c27298d0b24eea1375e","target":"graph","created_at":"2026-05-18T01:12:26Z","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 have measured the absolute proper motion of the Draco dwarf spheroidal galaxy using Subaru Suprime-Cam images taken at three epochs, with time baselines of 4.4 and 7 years. The magnitude limit of the proper-motion study is i=25, thus allowing for thousands of background galaxies and Draco stars to be used to perform extensive astrometric tests and to derive the correction to an inertial reference frame. The derived proper motion is (mu_alpha, mu_delta) =(-0.284 +- 0.047, -0.289 +-0.041) mas/yr. This motion implies an orbit that takes Draco to a pericenter of $\\sim 20$ kpc; a somewhat disrup","authors_text":"Dana I. Casetti-Dinescu, Terrence M. Girard","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-06-03T06:32:17Z","title":"Proper Motion of the Draco Dwarf Galaxy from Subaru Suprime-Cam Data"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1606.00977","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":"sha256:1451f07ac58d978844c72b7e238a02c56868edee43da5d23d351c213d92ed10d","target":"record","created_at":"2026-05-18T01:12:26Z","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":"b5d37728f494e792be1c80372c8e392db7fa5ffdade1dd134139ab52eec5a540","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-06-03T06:32:17Z","title_canon_sha256":"75218005c53fd453c12a0c3b5cbd82dfbdf95ce65b41d77dc51d93114f901229"},"schema_version":"1.0","source":{"id":"1606.00977","kind":"arxiv","version":1}},"canonical_sha256":"70ce62c28e6a6479cadffa12ff9df003b81c40e78a7402572db4e8fc484a653b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"70ce62c28e6a6479cadffa12ff9df003b81c40e78a7402572db4e8fc484a653b","first_computed_at":"2026-05-18T01:12:26.259436Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:26.259436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KcFfIdFLWbdSF7cQdupd/vDaZ7DFBP05Nr2Hr2TL9AfwxkRcI/wJDaij6M8lxui3Z0rNyfEk6lB4ncZfkbJ9CA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:26.259875Z","signed_message":"canonical_sha256_bytes"},"source_id":"1606.00977","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1451f07ac58d978844c72b7e238a02c56868edee43da5d23d351c213d92ed10d","sha256:27ed302071efc0268bcc4cea0f79c7ae785ce66813d72c27298d0b24eea1375e"],"state_sha256":"7238ef228fa05304366c4bcea8008000a4dd89e30e90b0b0f8f2168a9327ad4f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QXdmyRNbpFvZ5a5P97O4C/giIj3ZFSTZNe5iDah8XcTU6dwCi+uyzWDtVWbs/5km58mY2y2DirM0gpZN3z28Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T09:45:53.697616Z","bundle_sha256":"08131c3146a77a557b850c998b4ea455768bcf59cd80b7dc5fd01c908115aaca"}}