{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:G77CXQTJHPNTWSSWD5PIOEM3NX","short_pith_number":"pith:G77CXQTJ","canonical_record":{"source":{"id":"1911.01735","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-11-05T12:06:22Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"6a7b387ac0deac9a21f4e3d8374e4de243da46e4b2dc8e3e7707027470b7294a","abstract_canon_sha256":"7f0bdc7c755d9cdddefcb7aa3790f34b11863a361b6b0487a1c7c0ac8f1e8a73"},"schema_version":"1.0"},"canonical_sha256":"37fe2bc2693bdb3b4a561f5e87119b6de8484a886d0af811e4592db67637470f","source":{"kind":"arxiv","id":"1911.01735","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.01735","created_at":"2026-07-05T00:32:04Z"},{"alias_kind":"arxiv_version","alias_value":"1911.01735v1","created_at":"2026-07-05T00:32:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.01735","created_at":"2026-07-05T00:32:04Z"},{"alias_kind":"pith_short_12","alias_value":"G77CXQTJHPNT","created_at":"2026-07-05T00:32:04Z"},{"alias_kind":"pith_short_16","alias_value":"G77CXQTJHPNTWSSW","created_at":"2026-07-05T00:32:04Z"},{"alias_kind":"pith_short_8","alias_value":"G77CXQTJ","created_at":"2026-07-05T00:32:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:G77CXQTJHPNTWSSWD5PIOEM3NX","target":"record","payload":{"canonical_record":{"source":{"id":"1911.01735","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-11-05T12:06:22Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"6a7b387ac0deac9a21f4e3d8374e4de243da46e4b2dc8e3e7707027470b7294a","abstract_canon_sha256":"7f0bdc7c755d9cdddefcb7aa3790f34b11863a361b6b0487a1c7c0ac8f1e8a73"},"schema_version":"1.0"},"canonical_sha256":"37fe2bc2693bdb3b4a561f5e87119b6de8484a886d0af811e4592db67637470f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:32:04.035308Z","signature_b64":"I/9UVXig7GWbu7ULkeWaSSjeyop0R4Fvc/FBq8ql6KVv9d2b5HjcZESzapLLTkBfxv3dj6jiFb9lR9ZPu74WBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"37fe2bc2693bdb3b4a561f5e87119b6de8484a886d0af811e4592db67637470f","last_reissued_at":"2026-07-05T00:32:04.034890Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:32:04.034890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1911.01735","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":"2026-07-05T00:32:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qAhsSjP6eqsZwyEskw9FkJeh2z3tD4EI3FYBfULCX9Os1MiG/ul5kxQL8/0TouQQIA+JhW/PCL8aUUi3K5gvCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T20:17:36.053340Z"},"content_sha256":"ca2db2227dc8205a04084b74c017aa39555f788a0fbcb7b50d08a4c41d5104ab","schema_version":"1.0","event_id":"sha256:ca2db2227dc8205a04084b74c017aa39555f788a0fbcb7b50d08a4c41d5104ab"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:G77CXQTJHPNTWSSWD5PIOEM3NX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"First stars that could significantly perturb comet motion are finally found","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Ma{\\l}gorzata Kr\\'olikowska, Piotr A. Dybczy\\'nski, Rita Wysocza\\'nska","submitted_at":"2019-11-05T12:06:22Z","abstract_excerpt":"Since 1950 when Oort published his paper on the structure of the cloud of comets it is believed that stars passing near this hypothetical cometary reservoir play an important role in the dynamical evolution of long period comets and injecting them into the observability region of the Solar System. The aim of this paper is to discuss two cases in which the data obtained from observations were used and stellar perturbations (of different intensity, strong case of C/2002 A3 LINEAR and weaker case of C/2013 F3 PANSTARRS) on cometary motion were detected. Using the best available data from the Gaia"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.01735","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/1911.01735/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":"2026-07-05T00:32:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N93btzUduLV1DgYl0himytFkydMu/sgC5McLUbrWjyRrnuG9vaVL/xb65tnVUSjRqsIGeMlalNsXxF0bliDlCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T20:17:36.053655Z"},"content_sha256":"c969c64b632da5972c905d5123351672e3b7d85b834cd088eff90bf268756b84","schema_version":"1.0","event_id":"sha256:c969c64b632da5972c905d5123351672e3b7d85b834cd088eff90bf268756b84"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/G77CXQTJHPNTWSSWD5PIOEM3NX/bundle.json","state_url":"https://pith.science/pith/G77CXQTJHPNTWSSWD5PIOEM3NX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/G77CXQTJHPNTWSSWD5PIOEM3NX/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":"2026-08-01T20:17:36Z","links":{"resolver":"https://pith.science/pith/G77CXQTJHPNTWSSWD5PIOEM3NX","bundle":"https://pith.science/pith/G77CXQTJHPNTWSSWD5PIOEM3NX/bundle.json","state":"https://pith.science/pith/G77CXQTJHPNTWSSWD5PIOEM3NX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/G77CXQTJHPNTWSSWD5PIOEM3NX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:G77CXQTJHPNTWSSWD5PIOEM3NX","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":"7f0bdc7c755d9cdddefcb7aa3790f34b11863a361b6b0487a1c7c0ac8f1e8a73","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-11-05T12:06:22Z","title_canon_sha256":"6a7b387ac0deac9a21f4e3d8374e4de243da46e4b2dc8e3e7707027470b7294a"},"schema_version":"1.0","source":{"id":"1911.01735","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.01735","created_at":"2026-07-05T00:32:04Z"},{"alias_kind":"arxiv_version","alias_value":"1911.01735v1","created_at":"2026-07-05T00:32:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.01735","created_at":"2026-07-05T00:32:04Z"},{"alias_kind":"pith_short_12","alias_value":"G77CXQTJHPNT","created_at":"2026-07-05T00:32:04Z"},{"alias_kind":"pith_short_16","alias_value":"G77CXQTJHPNTWSSW","created_at":"2026-07-05T00:32:04Z"},{"alias_kind":"pith_short_8","alias_value":"G77CXQTJ","created_at":"2026-07-05T00:32:04Z"}],"graph_snapshots":[{"event_id":"sha256:c969c64b632da5972c905d5123351672e3b7d85b834cd088eff90bf268756b84","target":"graph","created_at":"2026-07-05T00:32:04Z","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/1911.01735/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Since 1950 when Oort published his paper on the structure of the cloud of comets it is believed that stars passing near this hypothetical cometary reservoir play an important role in the dynamical evolution of long period comets and injecting them into the observability region of the Solar System. The aim of this paper is to discuss two cases in which the data obtained from observations were used and stellar perturbations (of different intensity, strong case of C/2002 A3 LINEAR and weaker case of C/2013 F3 PANSTARRS) on cometary motion were detected. Using the best available data from the Gaia","authors_text":"Ma{\\l}gorzata Kr\\'olikowska, Piotr A. Dybczy\\'nski, Rita Wysocza\\'nska","cross_cats":["astro-ph.GA","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-11-05T12:06:22Z","title":"First stars that could significantly perturb comet motion are finally found"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.01735","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:ca2db2227dc8205a04084b74c017aa39555f788a0fbcb7b50d08a4c41d5104ab","target":"record","created_at":"2026-07-05T00:32:04Z","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":"7f0bdc7c755d9cdddefcb7aa3790f34b11863a361b6b0487a1c7c0ac8f1e8a73","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-11-05T12:06:22Z","title_canon_sha256":"6a7b387ac0deac9a21f4e3d8374e4de243da46e4b2dc8e3e7707027470b7294a"},"schema_version":"1.0","source":{"id":"1911.01735","kind":"arxiv","version":1}},"canonical_sha256":"37fe2bc2693bdb3b4a561f5e87119b6de8484a886d0af811e4592db67637470f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"37fe2bc2693bdb3b4a561f5e87119b6de8484a886d0af811e4592db67637470f","first_computed_at":"2026-07-05T00:32:04.034890Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:32:04.034890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"I/9UVXig7GWbu7ULkeWaSSjeyop0R4Fvc/FBq8ql6KVv9d2b5HjcZESzapLLTkBfxv3dj6jiFb9lR9ZPu74WBg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:32:04.035308Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.01735","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ca2db2227dc8205a04084b74c017aa39555f788a0fbcb7b50d08a4c41d5104ab","sha256:c969c64b632da5972c905d5123351672e3b7d85b834cd088eff90bf268756b84"],"state_sha256":"b6ef4ed51f9fbde891ef76b5eabbea5336b3174cd82e909429caec0f8ae97f3b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RU+jSe7tFAWW606vT30ecze0B6c0llgKpsPcs/9stkjWwxB7T0BO86ZMAycUPTrG4VoLVUuMzy/DU+h6LPcpDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T20:17:36.058416Z","bundle_sha256":"f9a9d92b1dc024fa233af8d7c9201e706f9dda3b8489b0a2b0468b354421c820"}}