{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:MSPZ2HVKGUPYNRVME3WMR662RJ","short_pith_number":"pith:MSPZ2HVK","canonical_record":{"source":{"id":"1911.05158","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-11-12T21:54:01Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"63e22d2f4610bc4a693186388ea279d8b6e166a2c8dd12a022f402e75cdb75b4","abstract_canon_sha256":"156633e8ac1c86ce2bc6f085c8336027ff45667a763982b5f36a36c33bdc86bc"},"schema_version":"1.0"},"canonical_sha256":"649f9d1eaa351f86c6ac26ecc8fbda8a5b0fcf534358ed5368e8e2a1980c4076","source":{"kind":"arxiv","id":"1911.05158","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.05158","created_at":"2026-07-05T00:18:54Z"},{"alias_kind":"arxiv_version","alias_value":"1911.05158v1","created_at":"2026-07-05T00:18:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.05158","created_at":"2026-07-05T00:18:54Z"},{"alias_kind":"pith_short_12","alias_value":"MSPZ2HVKGUPY","created_at":"2026-07-05T00:18:54Z"},{"alias_kind":"pith_short_16","alias_value":"MSPZ2HVKGUPYNRVM","created_at":"2026-07-05T00:18:54Z"},{"alias_kind":"pith_short_8","alias_value":"MSPZ2HVK","created_at":"2026-07-05T00:18:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:MSPZ2HVKGUPYNRVME3WMR662RJ","target":"record","payload":{"canonical_record":{"source":{"id":"1911.05158","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2019-11-12T21:54:01Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"63e22d2f4610bc4a693186388ea279d8b6e166a2c8dd12a022f402e75cdb75b4","abstract_canon_sha256":"156633e8ac1c86ce2bc6f085c8336027ff45667a763982b5f36a36c33bdc86bc"},"schema_version":"1.0"},"canonical_sha256":"649f9d1eaa351f86c6ac26ecc8fbda8a5b0fcf534358ed5368e8e2a1980c4076","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:18:54.474576Z","signature_b64":"6n7QWGlBWJrQj1yVy7nLmZ+ce4UMhHwH98D9/L60U5Ld9COXb3/vnpfCSHQ4z8vcIXbnclPnxC2xDE7ptopyDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"649f9d1eaa351f86c6ac26ecc8fbda8a5b0fcf534358ed5368e8e2a1980c4076","last_reissued_at":"2026-07-05T00:18:54.474141Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:18:54.474141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1911.05158","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":"2026-07-05T00:18:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZOsDjf6bkcXND7crnG+wUcEBJfd2b0jejIhQs77tekJUo7UGXvL4ZCSbEZ3sqjU/c6+tRl96BsFNJAXc5d41Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T03:31:44.187402Z"},"content_sha256":"baffdf35c4aba1bd1e0b4626b1ece196bf8033095c9066ac91f404c948daded9","schema_version":"1.0","event_id":"sha256:baffdf35c4aba1bd1e0b4626b1ece196bf8033095c9066ac91f404c948daded9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:MSPZ2HVKGUPYNRVME3WMR662RJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cloudlet capture by Transitional Disk and FU Orionis stars","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":"Cornelis Petrus Dullemond, Felipe Goicovic, Manuel Kramer, Michael K\\\"uffmeier, Misato Fukagawa, Veronika Oehl","submitted_at":"2019-11-12T21:54:01Z","abstract_excerpt":"After its formation, a young star spends some time traversing the molecular cloud complex in which it was born. It is therefore not unlikely that, well after the initial cloud collapse event which produced the star, it will encounter one or more low mass cloud fragments, which we call \"cloudlets\" to distinguish them from full-fledged molecular clouds. Some of this cloudlet material may accrete onto the star+disk system, while other material may fly by in a hyperbolic orbit. In contrast to the original cloud collapse event, this process will be a \"cloudlet flyby\" and/or \"cloudlet capture\" event"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.05158","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/1911.05158/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":"2026-07-05T00:18:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bDYdojBUUrs1r9P4g2st1NtzhRRWnu+I7ao01fFvFQmzGupQ/lmBdwbprG3A4+Yq3kx/Apt321PdBqbbsBsSDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T03:31:44.187964Z"},"content_sha256":"c93979e6a7575de1c80574b859c8c512779ed318ed01a75b96c88b2869714c28","schema_version":"1.0","event_id":"sha256:c93979e6a7575de1c80574b859c8c512779ed318ed01a75b96c88b2869714c28"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MSPZ2HVKGUPYNRVME3WMR662RJ/bundle.json","state_url":"https://pith.science/pith/MSPZ2HVKGUPYNRVME3WMR662RJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MSPZ2HVKGUPYNRVME3WMR662RJ/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":"2026-08-04T03:31:44Z","links":{"resolver":"https://pith.science/pith/MSPZ2HVKGUPYNRVME3WMR662RJ","bundle":"https://pith.science/pith/MSPZ2HVKGUPYNRVME3WMR662RJ/bundle.json","state":"https://pith.science/pith/MSPZ2HVKGUPYNRVME3WMR662RJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MSPZ2HVKGUPYNRVME3WMR662RJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:MSPZ2HVKGUPYNRVME3WMR662RJ","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":"156633e8ac1c86ce2bc6f085c8336027ff45667a763982b5f36a36c33bdc86bc","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":"2019-11-12T21:54:01Z","title_canon_sha256":"63e22d2f4610bc4a693186388ea279d8b6e166a2c8dd12a022f402e75cdb75b4"},"schema_version":"1.0","source":{"id":"1911.05158","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1911.05158","created_at":"2026-07-05T00:18:54Z"},{"alias_kind":"arxiv_version","alias_value":"1911.05158v1","created_at":"2026-07-05T00:18:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1911.05158","created_at":"2026-07-05T00:18:54Z"},{"alias_kind":"pith_short_12","alias_value":"MSPZ2HVKGUPY","created_at":"2026-07-05T00:18:54Z"},{"alias_kind":"pith_short_16","alias_value":"MSPZ2HVKGUPYNRVM","created_at":"2026-07-05T00:18:54Z"},{"alias_kind":"pith_short_8","alias_value":"MSPZ2HVK","created_at":"2026-07-05T00:18:54Z"}],"graph_snapshots":[{"event_id":"sha256:c93979e6a7575de1c80574b859c8c512779ed318ed01a75b96c88b2869714c28","target":"graph","created_at":"2026-07-05T00:18:54Z","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/1911.05158/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"After its formation, a young star spends some time traversing the molecular cloud complex in which it was born. It is therefore not unlikely that, well after the initial cloud collapse event which produced the star, it will encounter one or more low mass cloud fragments, which we call \"cloudlets\" to distinguish them from full-fledged molecular clouds. Some of this cloudlet material may accrete onto the star+disk system, while other material may fly by in a hyperbolic orbit. In contrast to the original cloud collapse event, this process will be a \"cloudlet flyby\" and/or \"cloudlet capture\" event","authors_text":"Cornelis Petrus Dullemond, Felipe Goicovic, Manuel Kramer, Michael K\\\"uffmeier, Misato Fukagawa, Veronika Oehl","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":"2019-11-12T21:54:01Z","title":"Cloudlet capture by Transitional Disk and FU Orionis stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1911.05158","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:baffdf35c4aba1bd1e0b4626b1ece196bf8033095c9066ac91f404c948daded9","target":"record","created_at":"2026-07-05T00:18:54Z","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":"156633e8ac1c86ce2bc6f085c8336027ff45667a763982b5f36a36c33bdc86bc","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":"2019-11-12T21:54:01Z","title_canon_sha256":"63e22d2f4610bc4a693186388ea279d8b6e166a2c8dd12a022f402e75cdb75b4"},"schema_version":"1.0","source":{"id":"1911.05158","kind":"arxiv","version":1}},"canonical_sha256":"649f9d1eaa351f86c6ac26ecc8fbda8a5b0fcf534358ed5368e8e2a1980c4076","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"649f9d1eaa351f86c6ac26ecc8fbda8a5b0fcf534358ed5368e8e2a1980c4076","first_computed_at":"2026-07-05T00:18:54.474141Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:18:54.474141Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6n7QWGlBWJrQj1yVy7nLmZ+ce4UMhHwH98D9/L60U5Ld9COXb3/vnpfCSHQ4z8vcIXbnclPnxC2xDE7ptopyDw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:18:54.474576Z","signed_message":"canonical_sha256_bytes"},"source_id":"1911.05158","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:baffdf35c4aba1bd1e0b4626b1ece196bf8033095c9066ac91f404c948daded9","sha256:c93979e6a7575de1c80574b859c8c512779ed318ed01a75b96c88b2869714c28"],"state_sha256":"891c26be2cfca3c2470c37b37a0206da1af5cd1131724e65199c94aa86751ecc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kijlQrCQj350CTfFXyaleDBpdg9R4JTEcaH27vJiTi2Tmg1SZfCjrRFqPxPbXfXcMIkQY324a43exX+qyaBjBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T03:31:44.192552Z","bundle_sha256":"6e7352e1d228a189efec8232bd05c4816bca1c97de2899e9152a3ee0d7763e4f"}}