{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:QGZRBVYR5JA5X4AKLHODHVVSGH","short_pith_number":"pith:QGZRBVYR","canonical_record":{"source":{"id":"2305.04981","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-05-08T18:22:56Z","cross_cats_sorted":[],"title_canon_sha256":"1f831ac2e2c2b7926f721bed86051e55bd34ba7cefd58ecea200b32d67f61059","abstract_canon_sha256":"cef77c06a0e6c9a1aa9aad31df4b7acd2d953102583b831768a1b66a071ec297"},"schema_version":"1.0"},"canonical_sha256":"81b310d711ea41dbf00a59dc33d6b231f5dedbb5f9e65872ff772178b7901ce5","source":{"kind":"arxiv","id":"2305.04981","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.04981","created_at":"2026-07-05T08:05:37Z"},{"alias_kind":"arxiv_version","alias_value":"2305.04981v3","created_at":"2026-07-05T08:05:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.04981","created_at":"2026-07-05T08:05:37Z"},{"alias_kind":"pith_short_12","alias_value":"QGZRBVYR5JA5","created_at":"2026-07-05T08:05:37Z"},{"alias_kind":"pith_short_16","alias_value":"QGZRBVYR5JA5X4AK","created_at":"2026-07-05T08:05:37Z"},{"alias_kind":"pith_short_8","alias_value":"QGZRBVYR","created_at":"2026-07-05T08:05:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:QGZRBVYR5JA5X4AKLHODHVVSGH","target":"record","payload":{"canonical_record":{"source":{"id":"2305.04981","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-05-08T18:22:56Z","cross_cats_sorted":[],"title_canon_sha256":"1f831ac2e2c2b7926f721bed86051e55bd34ba7cefd58ecea200b32d67f61059","abstract_canon_sha256":"cef77c06a0e6c9a1aa9aad31df4b7acd2d953102583b831768a1b66a071ec297"},"schema_version":"1.0"},"canonical_sha256":"81b310d711ea41dbf00a59dc33d6b231f5dedbb5f9e65872ff772178b7901ce5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:05:37.449340Z","signature_b64":"00wBZN9yVwsYu+druGgpnfS5LvbZM5tNLGOG+JwjklKD8Q6vRhkWFEc+cYlxNtmqXvlxIK6RYTLd6UpPuwWHBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"81b310d711ea41dbf00a59dc33d6b231f5dedbb5f9e65872ff772178b7901ce5","last_reissued_at":"2026-07-05T08:05:37.448952Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:05:37.448952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2305.04981","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T08:05:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2l84d0xIfjx9JuMIkQKPMSDVFk6xvQNBetWaSVlkwlc+j7XdkUT9RTcpzkv277ltm9THtfR/iNzKjV6xkI8GBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T23:01:33.407104Z"},"content_sha256":"718fe720974f677a1ed6f6521f855ec20162a8b7a1a9a379fb508c3d3f4af058","schema_version":"1.0","event_id":"sha256:718fe720974f677a1ed6f6521f855ec20162a8b7a1a9a379fb508c3d3f4af058"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:QGZRBVYR5JA5X4AKLHODHVVSGH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Milky Way Bar Pattern Speed using Hercules and Gaia DR3","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Elena D'Onghia, J. Alfonso L. Aguerri, Scott Lucchini","submitted_at":"2023-05-08T18:22:56Z","abstract_excerpt":"The distribution of moving groups in the solar neighborhood has been used to constrain dynamical properties of the Milky Way for decades. The kinematic bimodality between the main mode (Hyades, Pleiades, Coma Berenices, and Sirius) and Hercules can be explained by two different bar models -- via the outer Lindblad resonance of a bar with a high pattern speed ($\\sim$55 km s$^{-1}$ kpc$^{-1}$), or via the corotation resonance of a bar with a low pattern speed ($\\sim$40 km s$^{-1}$ kpc$^{-1}$). Recent works directly studying the kinematics of bar stars and gas flows near the center of the Galaxy "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.04981","kind":"arxiv","version":3},"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/2305.04981/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":"2026-07-05T08:05:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mnZiqW7X7RxdiVA6yEAl3vbCe3zVHoS0uuD5dxgO1CIAmuO08P/y/mnkXevOIBQBl+/VHdWRSnArnLFh7jtGBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T23:01:33.408081Z"},"content_sha256":"7b8d68cc843180ffeb0db53163ce5c4b39e6ab766065aabcd3749178a84534d5","schema_version":"1.0","event_id":"sha256:7b8d68cc843180ffeb0db53163ce5c4b39e6ab766065aabcd3749178a84534d5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QGZRBVYR5JA5X4AKLHODHVVSGH/bundle.json","state_url":"https://pith.science/pith/QGZRBVYR5JA5X4AKLHODHVVSGH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QGZRBVYR5JA5X4AKLHODHVVSGH/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":"2026-08-21T23:01:33Z","links":{"resolver":"https://pith.science/pith/QGZRBVYR5JA5X4AKLHODHVVSGH","bundle":"https://pith.science/pith/QGZRBVYR5JA5X4AKLHODHVVSGH/bundle.json","state":"https://pith.science/pith/QGZRBVYR5JA5X4AKLHODHVVSGH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QGZRBVYR5JA5X4AKLHODHVVSGH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:QGZRBVYR5JA5X4AKLHODHVVSGH","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":"cef77c06a0e6c9a1aa9aad31df4b7acd2d953102583b831768a1b66a071ec297","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-05-08T18:22:56Z","title_canon_sha256":"1f831ac2e2c2b7926f721bed86051e55bd34ba7cefd58ecea200b32d67f61059"},"schema_version":"1.0","source":{"id":"2305.04981","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.04981","created_at":"2026-07-05T08:05:37Z"},{"alias_kind":"arxiv_version","alias_value":"2305.04981v3","created_at":"2026-07-05T08:05:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.04981","created_at":"2026-07-05T08:05:37Z"},{"alias_kind":"pith_short_12","alias_value":"QGZRBVYR5JA5","created_at":"2026-07-05T08:05:37Z"},{"alias_kind":"pith_short_16","alias_value":"QGZRBVYR5JA5X4AK","created_at":"2026-07-05T08:05:37Z"},{"alias_kind":"pith_short_8","alias_value":"QGZRBVYR","created_at":"2026-07-05T08:05:37Z"}],"graph_snapshots":[{"event_id":"sha256:7b8d68cc843180ffeb0db53163ce5c4b39e6ab766065aabcd3749178a84534d5","target":"graph","created_at":"2026-07-05T08:05:37Z","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/2305.04981/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The distribution of moving groups in the solar neighborhood has been used to constrain dynamical properties of the Milky Way for decades. The kinematic bimodality between the main mode (Hyades, Pleiades, Coma Berenices, and Sirius) and Hercules can be explained by two different bar models -- via the outer Lindblad resonance of a bar with a high pattern speed ($\\sim$55 km s$^{-1}$ kpc$^{-1}$), or via the corotation resonance of a bar with a low pattern speed ($\\sim$40 km s$^{-1}$ kpc$^{-1}$). Recent works directly studying the kinematics of bar stars and gas flows near the center of the Galaxy ","authors_text":"Elena D'Onghia, J. Alfonso L. Aguerri, Scott Lucchini","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-05-08T18:22:56Z","title":"The Milky Way Bar Pattern Speed using Hercules and Gaia DR3"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.04981","kind":"arxiv","version":3},"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":"sha256:718fe720974f677a1ed6f6521f855ec20162a8b7a1a9a379fb508c3d3f4af058","target":"record","created_at":"2026-07-05T08:05:37Z","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":"cef77c06a0e6c9a1aa9aad31df4b7acd2d953102583b831768a1b66a071ec297","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-05-08T18:22:56Z","title_canon_sha256":"1f831ac2e2c2b7926f721bed86051e55bd34ba7cefd58ecea200b32d67f61059"},"schema_version":"1.0","source":{"id":"2305.04981","kind":"arxiv","version":3}},"canonical_sha256":"81b310d711ea41dbf00a59dc33d6b231f5dedbb5f9e65872ff772178b7901ce5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"81b310d711ea41dbf00a59dc33d6b231f5dedbb5f9e65872ff772178b7901ce5","first_computed_at":"2026-07-05T08:05:37.448952Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:05:37.448952Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"00wBZN9yVwsYu+druGgpnfS5LvbZM5tNLGOG+JwjklKD8Q6vRhkWFEc+cYlxNtmqXvlxIK6RYTLd6UpPuwWHBg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:05:37.449340Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.04981","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:718fe720974f677a1ed6f6521f855ec20162a8b7a1a9a379fb508c3d3f4af058","sha256:7b8d68cc843180ffeb0db53163ce5c4b39e6ab766065aabcd3749178a84534d5"],"state_sha256":"edcd6225bf1a466955f78f8030b4fb1be571f0b3ed3774613d36f87b1fe23d54"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8RiSFI9Ik15SVQaQZV2xaF+QLZ7wEf5VD5XD8fGViVydM7lJLXj1mCrzjHMJL8VgXHuPe3H+GaeIad31jUn8CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T23:01:33.415619Z","bundle_sha256":"6b076636dbab903e1a0f12f44899bf82b9fd7ea26dd73dd781ab439e851b2e81"}}