{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:54UCGZTDR7QTWZUPOIW44SE637","short_pith_number":"pith:54UCGZTD","canonical_record":{"source":{"id":"2009.10726","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-09-22T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"0c3f81feb622fe56cefcfc63b929c60a61ff32fb0b82228243bb855125f9904d","abstract_canon_sha256":"9f165906f122ff8108004d15ca654e660bfdada235a28cb3df3180acb3fab0de"},"schema_version":"1.0"},"canonical_sha256":"ef282366638fe13b668f722dce489edfd889dcf53c0cbf79401631a0949b33f4","source":{"kind":"arxiv","id":"2009.10726","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.10726","created_at":"2026-07-05T02:16:27Z"},{"alias_kind":"arxiv_version","alias_value":"2009.10726v2","created_at":"2026-07-05T02:16:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.10726","created_at":"2026-07-05T02:16:27Z"},{"alias_kind":"pith_short_12","alias_value":"54UCGZTDR7QT","created_at":"2026-07-05T02:16:27Z"},{"alias_kind":"pith_short_16","alias_value":"54UCGZTDR7QTWZUP","created_at":"2026-07-05T02:16:27Z"},{"alias_kind":"pith_short_8","alias_value":"54UCGZTD","created_at":"2026-07-05T02:16:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:54UCGZTDR7QTWZUPOIW44SE637","target":"record","payload":{"canonical_record":{"source":{"id":"2009.10726","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-09-22T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"0c3f81feb622fe56cefcfc63b929c60a61ff32fb0b82228243bb855125f9904d","abstract_canon_sha256":"9f165906f122ff8108004d15ca654e660bfdada235a28cb3df3180acb3fab0de"},"schema_version":"1.0"},"canonical_sha256":"ef282366638fe13b668f722dce489edfd889dcf53c0cbf79401631a0949b33f4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:16:27.456305Z","signature_b64":"WOgJMgeAPRI1j1ttut1xZkSWtm/eat3prEfN1BjNZep2aVSbS6VjVlcYTPUFf1kEWY9LS7eVu8wLASxHk9HIDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef282366638fe13b668f722dce489edfd889dcf53c0cbf79401631a0949b33f4","last_reissued_at":"2026-07-05T02:16:27.455843Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:16:27.455843Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2009.10726","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":"2026-07-05T02:16:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5nOkODutvTCRajz2Wb0DDINAA9OIbI+m6Eyzr67AcFSC5eEELE4lf9NNwClWysCqyH1MHm15aIsEgN2VhiKFBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T23:53:34.817644Z"},"content_sha256":"6fe5f12d8405e69eaf72812f968728446101c128b58677241aae6d0212586333","schema_version":"1.0","event_id":"sha256:6fe5f12d8405e69eaf72812f968728446101c128b58677241aae6d0212586333"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:54UCGZTDR7QTWZUPOIW44SE637","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Tango for three: Sagittarius, LMC, and the Milky Way","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Denis Erkal, Eugene Vasiliev, Vasily Belokurov","submitted_at":"2020-09-22T18:00:00Z","abstract_excerpt":"We assemble a catalogue of candidate Sagittarius stream members with 5d and 6d phase-space information, using astrometric data from Gaia DR2, distances estimated from RR Lyrae stars, and line-of-sight velocities from various spectroscopic surveys. We find a clear misalignment between the stream track and the direction of the reflex-corrected proper motions in the leading arm of the stream, which we interpret as a signature of a time-dependent perturbation of the gravitational potential. A likely cause of this perturbation is the recent passage of the most massive Milky Way satellite - the Larg"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.10726","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2009.10726/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:16:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Cpq9x0MhQYRE5rEATU0Ut+MdZQsj66O4lABVk8zVFJQv54HxzRtJKI+D1EsbQVc2BtRtfqin0beIdJspR+8Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T23:53:34.818067Z"},"content_sha256":"896922e7d6c11bf0c0906ddb3cb9c7a69b8ea28770a6c8b904aad3be56e76522","schema_version":"1.0","event_id":"sha256:896922e7d6c11bf0c0906ddb3cb9c7a69b8ea28770a6c8b904aad3be56e76522"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/54UCGZTDR7QTWZUPOIW44SE637/bundle.json","state_url":"https://pith.science/pith/54UCGZTDR7QTWZUPOIW44SE637/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/54UCGZTDR7QTWZUPOIW44SE637/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":"2026-08-20T23:53:34Z","links":{"resolver":"https://pith.science/pith/54UCGZTDR7QTWZUPOIW44SE637","bundle":"https://pith.science/pith/54UCGZTDR7QTWZUPOIW44SE637/bundle.json","state":"https://pith.science/pith/54UCGZTDR7QTWZUPOIW44SE637/state.json","well_known_bundle":"https://pith.science/.well-known/pith/54UCGZTDR7QTWZUPOIW44SE637/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:54UCGZTDR7QTWZUPOIW44SE637","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":"9f165906f122ff8108004d15ca654e660bfdada235a28cb3df3180acb3fab0de","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-09-22T18:00:00Z","title_canon_sha256":"0c3f81feb622fe56cefcfc63b929c60a61ff32fb0b82228243bb855125f9904d"},"schema_version":"1.0","source":{"id":"2009.10726","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2009.10726","created_at":"2026-07-05T02:16:27Z"},{"alias_kind":"arxiv_version","alias_value":"2009.10726v2","created_at":"2026-07-05T02:16:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2009.10726","created_at":"2026-07-05T02:16:27Z"},{"alias_kind":"pith_short_12","alias_value":"54UCGZTDR7QT","created_at":"2026-07-05T02:16:27Z"},{"alias_kind":"pith_short_16","alias_value":"54UCGZTDR7QTWZUP","created_at":"2026-07-05T02:16:27Z"},{"alias_kind":"pith_short_8","alias_value":"54UCGZTD","created_at":"2026-07-05T02:16:27Z"}],"graph_snapshots":[{"event_id":"sha256:896922e7d6c11bf0c0906ddb3cb9c7a69b8ea28770a6c8b904aad3be56e76522","target":"graph","created_at":"2026-07-05T02:16:27Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2009.10726/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We assemble a catalogue of candidate Sagittarius stream members with 5d and 6d phase-space information, using astrometric data from Gaia DR2, distances estimated from RR Lyrae stars, and line-of-sight velocities from various spectroscopic surveys. We find a clear misalignment between the stream track and the direction of the reflex-corrected proper motions in the leading arm of the stream, which we interpret as a signature of a time-dependent perturbation of the gravitational potential. A likely cause of this perturbation is the recent passage of the most massive Milky Way satellite - the Larg","authors_text":"Denis Erkal, Eugene Vasiliev, Vasily Belokurov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-09-22T18:00:00Z","title":"Tango for three: Sagittarius, LMC, and the Milky Way"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2009.10726","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":"sha256:6fe5f12d8405e69eaf72812f968728446101c128b58677241aae6d0212586333","target":"record","created_at":"2026-07-05T02:16:27Z","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":"9f165906f122ff8108004d15ca654e660bfdada235a28cb3df3180acb3fab0de","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-09-22T18:00:00Z","title_canon_sha256":"0c3f81feb622fe56cefcfc63b929c60a61ff32fb0b82228243bb855125f9904d"},"schema_version":"1.0","source":{"id":"2009.10726","kind":"arxiv","version":2}},"canonical_sha256":"ef282366638fe13b668f722dce489edfd889dcf53c0cbf79401631a0949b33f4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ef282366638fe13b668f722dce489edfd889dcf53c0cbf79401631a0949b33f4","first_computed_at":"2026-07-05T02:16:27.455843Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:16:27.455843Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WOgJMgeAPRI1j1ttut1xZkSWtm/eat3prEfN1BjNZep2aVSbS6VjVlcYTPUFf1kEWY9LS7eVu8wLASxHk9HIDA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:16:27.456305Z","signed_message":"canonical_sha256_bytes"},"source_id":"2009.10726","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6fe5f12d8405e69eaf72812f968728446101c128b58677241aae6d0212586333","sha256:896922e7d6c11bf0c0906ddb3cb9c7a69b8ea28770a6c8b904aad3be56e76522"],"state_sha256":"32b71315212ff1041771cc4ff2254b87475b166a121ee92397333ae490abfe97"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T5uwjTTWm51rXhamQg//7kOWD9VkhbG4SUUBGnkky9jWsTQXCaca/n4w21Kq2796aci/3Ob8Ll9b5bfxTMaqDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T23:53:34.820827Z","bundle_sha256":"1371fe6d12f2cedb81d6007c27a21d500c93b6492a6572c9e0637e40d62453ed"}}