{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:GKKN4BQL7KACHVAYC4WX4ALHUE","short_pith_number":"pith:GKKN4BQL","canonical_record":{"source":{"id":"1709.03604","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-09-11T21:26:53Z","cross_cats_sorted":[],"title_canon_sha256":"d190b083ce155544cf6114acd3f3abcf2ed556fdf24018d32fa995130afe292d","abstract_canon_sha256":"44dfd79f14e3db326048e96df2cb399bae247cdb0ec4baeab118aec874923ec2"},"schema_version":"1.0"},"canonical_sha256":"3294de060bfa8023d418172d7e0167a109c0591ff8585196bfe74ab945cfe292","source":{"kind":"arxiv","id":"1709.03604","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.03604","created_at":"2026-05-18T00:26:28Z"},{"alias_kind":"arxiv_version","alias_value":"1709.03604v1","created_at":"2026-05-18T00:26:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.03604","created_at":"2026-05-18T00:26:28Z"},{"alias_kind":"pith_short_12","alias_value":"GKKN4BQL7KAC","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"GKKN4BQL7KACHVAY","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"GKKN4BQL","created_at":"2026-05-18T12:31:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:GKKN4BQL7KACHVAYC4WX4ALHUE","target":"record","payload":{"canonical_record":{"source":{"id":"1709.03604","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-09-11T21:26:53Z","cross_cats_sorted":[],"title_canon_sha256":"d190b083ce155544cf6114acd3f3abcf2ed556fdf24018d32fa995130afe292d","abstract_canon_sha256":"44dfd79f14e3db326048e96df2cb399bae247cdb0ec4baeab118aec874923ec2"},"schema_version":"1.0"},"canonical_sha256":"3294de060bfa8023d418172d7e0167a109c0591ff8585196bfe74ab945cfe292","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:26:28.818660Z","signature_b64":"RvGoIKFnbchOb8iyZMF50VrqV1Dd/qsUXDEePV0xU+JrFplFQ9u3Wou1pgrGgrnzcDqeHc2p8vgqheXXeWkyBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3294de060bfa8023d418172d7e0167a109c0591ff8585196bfe74ab945cfe292","last_reissued_at":"2026-05-18T00:26:28.817920Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:26:28.817920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.03604","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":"2026-05-18T00:26:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XjhBQlIu9ahXpSOPHCcbEDTm92z54bNyY3q6Fr+BklctTS/tYPcTT0qUftySq8mFFjgKyJixqLm59NmndzJTDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T02:14:14.159817Z"},"content_sha256":"fc6306633e9eecfa2478575eb941d2dc7d1bdd939ad348add8763112f72b8226","schema_version":"1.0","event_id":"sha256:fc6306633e9eecfa2478575eb941d2dc7d1bdd939ad348add8763112f72b8226"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:GKKN4BQL7KACHVAYC4WX4ALHUE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bar quenching in gas-rich galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"F. Combes, M. D. Lehnert, M. Haywood, P. Di Matteo, S. Khoperskov","submitted_at":"2017-09-11T21:26:53Z","abstract_excerpt":"Galaxy surveys have suggested that rapid and sustained decrease in the star-formation rate, \"quenching\", in massive disk galaxies is frequently related to the presence of a bar. Optical and near-IR observations reveal that nearly 60% of disk galaxies in the local universe are barred, thus it is important to understand the relationship between bars and star formation in disk galaxies. Recent observational results imply that the Milky Way quenched about 9-10 Gyr ago, at the transition between the cessation of the growth of the kinematically hot, old, metal-poor thick disk and the kinematically c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.03604","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":"2026-05-18T00:26:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s/fm4sN/G5pXm+LFiOb8hfBNCkAs+ujtThOuEE+6KVr07i9qiAM2mhUZPxwUGaMfLuahSMbJgbOW9f4cjqEWBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T02:14:14.160371Z"},"content_sha256":"6a1af69b96e6eebcc5b8bc41e826d2b6eaee43578f91b748a78e7eb6083c029d","schema_version":"1.0","event_id":"sha256:6a1af69b96e6eebcc5b8bc41e826d2b6eaee43578f91b748a78e7eb6083c029d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GKKN4BQL7KACHVAYC4WX4ALHUE/bundle.json","state_url":"https://pith.science/pith/GKKN4BQL7KACHVAYC4WX4ALHUE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GKKN4BQL7KACHVAYC4WX4ALHUE/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":"2026-05-19T02:14:14Z","links":{"resolver":"https://pith.science/pith/GKKN4BQL7KACHVAYC4WX4ALHUE","bundle":"https://pith.science/pith/GKKN4BQL7KACHVAYC4WX4ALHUE/bundle.json","state":"https://pith.science/pith/GKKN4BQL7KACHVAYC4WX4ALHUE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GKKN4BQL7KACHVAYC4WX4ALHUE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:GKKN4BQL7KACHVAYC4WX4ALHUE","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":"44dfd79f14e3db326048e96df2cb399bae247cdb0ec4baeab118aec874923ec2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-09-11T21:26:53Z","title_canon_sha256":"d190b083ce155544cf6114acd3f3abcf2ed556fdf24018d32fa995130afe292d"},"schema_version":"1.0","source":{"id":"1709.03604","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.03604","created_at":"2026-05-18T00:26:28Z"},{"alias_kind":"arxiv_version","alias_value":"1709.03604v1","created_at":"2026-05-18T00:26:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.03604","created_at":"2026-05-18T00:26:28Z"},{"alias_kind":"pith_short_12","alias_value":"GKKN4BQL7KAC","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"GKKN4BQL7KACHVAY","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"GKKN4BQL","created_at":"2026-05-18T12:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:6a1af69b96e6eebcc5b8bc41e826d2b6eaee43578f91b748a78e7eb6083c029d","target":"graph","created_at":"2026-05-18T00:26:28Z","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":"Galaxy surveys have suggested that rapid and sustained decrease in the star-formation rate, \"quenching\", in massive disk galaxies is frequently related to the presence of a bar. Optical and near-IR observations reveal that nearly 60% of disk galaxies in the local universe are barred, thus it is important to understand the relationship between bars and star formation in disk galaxies. Recent observational results imply that the Milky Way quenched about 9-10 Gyr ago, at the transition between the cessation of the growth of the kinematically hot, old, metal-poor thick disk and the kinematically c","authors_text":"F. Combes, M. D. Lehnert, M. Haywood, P. Di Matteo, S. Khoperskov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-09-11T21:26:53Z","title":"Bar quenching in gas-rich galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.03604","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:fc6306633e9eecfa2478575eb941d2dc7d1bdd939ad348add8763112f72b8226","target":"record","created_at":"2026-05-18T00:26:28Z","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":"44dfd79f14e3db326048e96df2cb399bae247cdb0ec4baeab118aec874923ec2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-09-11T21:26:53Z","title_canon_sha256":"d190b083ce155544cf6114acd3f3abcf2ed556fdf24018d32fa995130afe292d"},"schema_version":"1.0","source":{"id":"1709.03604","kind":"arxiv","version":1}},"canonical_sha256":"3294de060bfa8023d418172d7e0167a109c0591ff8585196bfe74ab945cfe292","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3294de060bfa8023d418172d7e0167a109c0591ff8585196bfe74ab945cfe292","first_computed_at":"2026-05-18T00:26:28.817920Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:26:28.817920Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RvGoIKFnbchOb8iyZMF50VrqV1Dd/qsUXDEePV0xU+JrFplFQ9u3Wou1pgrGgrnzcDqeHc2p8vgqheXXeWkyBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:26:28.818660Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.03604","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fc6306633e9eecfa2478575eb941d2dc7d1bdd939ad348add8763112f72b8226","sha256:6a1af69b96e6eebcc5b8bc41e826d2b6eaee43578f91b748a78e7eb6083c029d"],"state_sha256":"1beeb3b7e1427f9ad91661da6f6b9ab87b9d345ccb88d47c86dd718ce1ff3b91"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HJexV4JLPPLnUxPlJSWakwT9eEG8WB0vVSwUTl3k2HW3cjZnG7+56R7dKKHglrThr5NRHx1uW0ZiZufHhMuBAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T02:14:14.162137Z","bundle_sha256":"76a594dc388d96749fed7dcfc9573fe8ae6ec944bec036ac88c5459a98ac1392"}}