{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:Y4FDKWUON4E2ADGHLRGUD6JQPD","short_pith_number":"pith:Y4FDKWUO","canonical_record":{"source":{"id":"2312.06847","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-12-11T21:21:53Z","cross_cats_sorted":[],"title_canon_sha256":"197e37e336f6244099d446886150240d13637108c7676c94a9e469dd82f16386","abstract_canon_sha256":"e21090b547b21fec88f141346a8a9728d3e180cfcce09e4bb7b9f163a94872b9"},"schema_version":"1.0"},"canonical_sha256":"c70a355a8e6f09a00cc75c4d41f93078e5e52721bf738d2553213ddcd0c16120","source":{"kind":"arxiv","id":"2312.06847","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.06847","created_at":"2026-07-05T07:22:54Z"},{"alias_kind":"arxiv_version","alias_value":"2312.06847v1","created_at":"2026-07-05T07:22:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.06847","created_at":"2026-07-05T07:22:54Z"},{"alias_kind":"pith_short_12","alias_value":"Y4FDKWUON4E2","created_at":"2026-07-05T07:22:54Z"},{"alias_kind":"pith_short_16","alias_value":"Y4FDKWUON4E2ADGH","created_at":"2026-07-05T07:22:54Z"},{"alias_kind":"pith_short_8","alias_value":"Y4FDKWUO","created_at":"2026-07-05T07:22:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:Y4FDKWUON4E2ADGHLRGUD6JQPD","target":"record","payload":{"canonical_record":{"source":{"id":"2312.06847","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-12-11T21:21:53Z","cross_cats_sorted":[],"title_canon_sha256":"197e37e336f6244099d446886150240d13637108c7676c94a9e469dd82f16386","abstract_canon_sha256":"e21090b547b21fec88f141346a8a9728d3e180cfcce09e4bb7b9f163a94872b9"},"schema_version":"1.0"},"canonical_sha256":"c70a355a8e6f09a00cc75c4d41f93078e5e52721bf738d2553213ddcd0c16120","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:22:54.053371Z","signature_b64":"tD2Io5jLk8CNumm9q1Ee8FZQkLzkbpsNb5f4yUW77PanK7vJTL6L6eocUm0ak48hhKpNwxG4lPgXWbDU83E6Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c70a355a8e6f09a00cc75c4d41f93078e5e52721bf738d2553213ddcd0c16120","last_reissued_at":"2026-07-05T07:22:54.052962Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:22:54.052962Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2312.06847","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":"2026-07-05T07:22:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gcR8La+U5pEENfS6ou3jtW8oGceZ85yNeMmRv+AyhdGB/jUnb6qplsn2GL2dqeO2ORQglCBTTZotXLFVsap6Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T00:16:18.839584Z"},"content_sha256":"8d1a15c750e2c4832bcf2f43822d45b8d7ffe093624a7c2d99fdb3e67a822042","schema_version":"1.0","event_id":"sha256:8d1a15c750e2c4832bcf2f43822d45b8d7ffe093624a7c2d99fdb3e67a822042"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:Y4FDKWUON4E2ADGHLRGUD6JQPD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Semi-major Axis Jumps as the Activity Trigger in Centaurs and High-Perihelion Jupiter Family Comets","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Charles Schambeau, Eva Lilly, Henry Hsieh, James Bauer, Jordan Steckloff, Kat Volk, Peter Jev\\v{c}\\'ak, Richard J. Wainscoat, Robert Weryk, Yanga R. Fernandez","submitted_at":"2023-12-11T21:21:53Z","abstract_excerpt":"We present a dynamical study of 39 active Centaurs and 17 high-perihelion (q$>$4.5 au) JFCs with a focus on investigating recent orbital changes as potential triggers for comet-like activity. We have identified a common feature in the recent dynamical histories of all active Centaurs and JFC in our sample that is not present in the history of the majority of inactive population members: a sharp decrease in semi-major axis and eccentricity occurring within the last several hundred years prior to observed activity. We define these rapid orbital changes as `a-jumps'. Our results indicate that the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.06847","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2312.06847/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":"2026-07-05T07:22:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rk4rWj9/hxyZQQDu6uQiy9M9NHi2gQx000JOzPuNcaGkLvHK+5cNVfh2gB/fMQEgZDRUSaSmEiB98kSsueBaDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T00:16:18.840117Z"},"content_sha256":"6896c9a65c46275d5cb2433d05aae8b6df295c2099708dbe647a9ebe83ce313d","schema_version":"1.0","event_id":"sha256:6896c9a65c46275d5cb2433d05aae8b6df295c2099708dbe647a9ebe83ce313d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y4FDKWUON4E2ADGHLRGUD6JQPD/bundle.json","state_url":"https://pith.science/pith/Y4FDKWUON4E2ADGHLRGUD6JQPD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y4FDKWUON4E2ADGHLRGUD6JQPD/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":"2026-08-06T00:16:18Z","links":{"resolver":"https://pith.science/pith/Y4FDKWUON4E2ADGHLRGUD6JQPD","bundle":"https://pith.science/pith/Y4FDKWUON4E2ADGHLRGUD6JQPD/bundle.json","state":"https://pith.science/pith/Y4FDKWUON4E2ADGHLRGUD6JQPD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y4FDKWUON4E2ADGHLRGUD6JQPD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:Y4FDKWUON4E2ADGHLRGUD6JQPD","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":"e21090b547b21fec88f141346a8a9728d3e180cfcce09e4bb7b9f163a94872b9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-12-11T21:21:53Z","title_canon_sha256":"197e37e336f6244099d446886150240d13637108c7676c94a9e469dd82f16386"},"schema_version":"1.0","source":{"id":"2312.06847","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.06847","created_at":"2026-07-05T07:22:54Z"},{"alias_kind":"arxiv_version","alias_value":"2312.06847v1","created_at":"2026-07-05T07:22:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.06847","created_at":"2026-07-05T07:22:54Z"},{"alias_kind":"pith_short_12","alias_value":"Y4FDKWUON4E2","created_at":"2026-07-05T07:22:54Z"},{"alias_kind":"pith_short_16","alias_value":"Y4FDKWUON4E2ADGH","created_at":"2026-07-05T07:22:54Z"},{"alias_kind":"pith_short_8","alias_value":"Y4FDKWUO","created_at":"2026-07-05T07:22:54Z"}],"graph_snapshots":[{"event_id":"sha256:6896c9a65c46275d5cb2433d05aae8b6df295c2099708dbe647a9ebe83ce313d","target":"graph","created_at":"2026-07-05T07:22:54Z","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/2312.06847/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a dynamical study of 39 active Centaurs and 17 high-perihelion (q$>$4.5 au) JFCs with a focus on investigating recent orbital changes as potential triggers for comet-like activity. We have identified a common feature in the recent dynamical histories of all active Centaurs and JFC in our sample that is not present in the history of the majority of inactive population members: a sharp decrease in semi-major axis and eccentricity occurring within the last several hundred years prior to observed activity. We define these rapid orbital changes as `a-jumps'. Our results indicate that the","authors_text":"Charles Schambeau, Eva Lilly, Henry Hsieh, James Bauer, Jordan Steckloff, Kat Volk, Peter Jev\\v{c}\\'ak, Richard J. Wainscoat, Robert Weryk, Yanga R. Fernandez","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-12-11T21:21:53Z","title":"Semi-major Axis Jumps as the Activity Trigger in Centaurs and High-Perihelion Jupiter Family Comets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.06847","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":"sha256:8d1a15c750e2c4832bcf2f43822d45b8d7ffe093624a7c2d99fdb3e67a822042","target":"record","created_at":"2026-07-05T07:22:54Z","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":"e21090b547b21fec88f141346a8a9728d3e180cfcce09e4bb7b9f163a94872b9","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2023-12-11T21:21:53Z","title_canon_sha256":"197e37e336f6244099d446886150240d13637108c7676c94a9e469dd82f16386"},"schema_version":"1.0","source":{"id":"2312.06847","kind":"arxiv","version":1}},"canonical_sha256":"c70a355a8e6f09a00cc75c4d41f93078e5e52721bf738d2553213ddcd0c16120","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c70a355a8e6f09a00cc75c4d41f93078e5e52721bf738d2553213ddcd0c16120","first_computed_at":"2026-07-05T07:22:54.052962Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:22:54.052962Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tD2Io5jLk8CNumm9q1Ee8FZQkLzkbpsNb5f4yUW77PanK7vJTL6L6eocUm0ak48hhKpNwxG4lPgXWbDU83E6Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:22:54.053371Z","signed_message":"canonical_sha256_bytes"},"source_id":"2312.06847","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8d1a15c750e2c4832bcf2f43822d45b8d7ffe093624a7c2d99fdb3e67a822042","sha256:6896c9a65c46275d5cb2433d05aae8b6df295c2099708dbe647a9ebe83ce313d"],"state_sha256":"959273889f361f5969cb1b1373239599d7369d540525a8d8a80fb1241e8a485c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1J6hR1CGGQNmCODSQ4PiOi+Td/E2Xa0fhxwHZo/iF5DEet2Mxbn/ZG4QCpr65KStQCRMkWUABQaXIp4zQjfkBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T00:16:18.844709Z","bundle_sha256":"5939671685fceecc026b7428ffe114e65de18a7d0d732ef4498ff95f8947473d"}}