{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:RYQURHVQV5YKMHR3M5R6VBXLR7","short_pith_number":"pith:RYQURHVQ","canonical_record":{"source":{"id":"1708.07166","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-23T19:52:51Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"ba89daa6a29b19c14ad9f585d1b401abaf320d13b4b42364fefdec73ead68c5e","abstract_canon_sha256":"b4533e6b4271544264f0f08875de50d7feed8e5161cf455f92b3837ecee379dd"},"schema_version":"1.0"},"canonical_sha256":"8e21489eb0af70a61e3b6763ea86eb8fe785d3d2c88e624873a7294e4b5082b1","source":{"kind":"arxiv","id":"1708.07166","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.07166","created_at":"2026-05-18T00:26:29Z"},{"alias_kind":"arxiv_version","alias_value":"1708.07166v1","created_at":"2026-05-18T00:26:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.07166","created_at":"2026-05-18T00:26:29Z"},{"alias_kind":"pith_short_12","alias_value":"RYQURHVQV5YK","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"RYQURHVQV5YKMHR3","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"RYQURHVQ","created_at":"2026-05-18T12:31:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:RYQURHVQV5YKMHR3M5R6VBXLR7","target":"record","payload":{"canonical_record":{"source":{"id":"1708.07166","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-23T19:52:51Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"ba89daa6a29b19c14ad9f585d1b401abaf320d13b4b42364fefdec73ead68c5e","abstract_canon_sha256":"b4533e6b4271544264f0f08875de50d7feed8e5161cf455f92b3837ecee379dd"},"schema_version":"1.0"},"canonical_sha256":"8e21489eb0af70a61e3b6763ea86eb8fe785d3d2c88e624873a7294e4b5082b1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:26:29.196393Z","signature_b64":"RWf3U96MBjm+nKRrSNwHfdbHPGfHXxdIzRDYZJaVUYfBa1J6uG9od312/wDNQNE6jMIay5AijxtdCYEM5cmDCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8e21489eb0af70a61e3b6763ea86eb8fe785d3d2c88e624873a7294e4b5082b1","last_reissued_at":"2026-05-18T00:26:29.195715Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:26:29.195715Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.07166","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":"2026-05-18T00:26:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b2IzjVHkWEN3a+B78oXia5ga56CKMT6/cnKfaX+ZNdi9oGqQTrLGGxicJJfTkdXq6yrMgow/tWfybjD5QpleBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:17:51.316247Z"},"content_sha256":"1c2ab8351afbf1bf37298afb6f1a641c5b6e01fe20776d0f87f4d7c888cc7dcf","schema_version":"1.0","event_id":"sha256:1c2ab8351afbf1bf37298afb6f1a641c5b6e01fe20776d0f87f4d7c888cc7dcf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:RYQURHVQV5YKMHR3M5R6VBXLR7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Formation of freely floating sub-stellar objects via close encounters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"2), (2) Research Institute of Physics, (3) Lunar, (4) University of Vienna, Department of Astrophysics), Eduard I. Vorobyov (1, Heat Transfer, Manuel Guedel (4) ((1) Institute of Fluid Mechanics, Maria Steinrueck (3), Planetary Laboratory, Southern Federal University, TU Wien, University of Arizona, Vardan Elbakyan (2)","submitted_at":"2017-08-23T19:52:51Z","abstract_excerpt":"We numerically studied close encounters between a young stellar system hosting a massive, gravitationally fragmenting disk and an intruder diskless star with the purpose to determine the evolution of fragments that have formed in the disk prior to the encounter. Numerical hydrodynamics simulations in the non-inertial frame of reference of the host star were employed to simulate the prograde and retrograde co-planar encounters. The initial configuration of the target system (star plus disk) was obtained via a separate numerical simulation featuring the gravitational collapse of a solar-mass pre"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.07166","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":"2026-05-18T00:26:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1K66fTkJkJ0FqDPhh9uMxQN3UuFGL4tNJWNR780AemY4ghmifg/8LargV7hlXw/6Fkat4wxxStpIY8fwe+wrDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T01:17:51.316624Z"},"content_sha256":"3ab9625ee9c4d1538b56c338141aa8a955f3a889b6bf68c4bbf0303dd4ec6066","schema_version":"1.0","event_id":"sha256:3ab9625ee9c4d1538b56c338141aa8a955f3a889b6bf68c4bbf0303dd4ec6066"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RYQURHVQV5YKMHR3M5R6VBXLR7/bundle.json","state_url":"https://pith.science/pith/RYQURHVQV5YKMHR3M5R6VBXLR7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RYQURHVQV5YKMHR3M5R6VBXLR7/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":"2026-05-28T01:17:51Z","links":{"resolver":"https://pith.science/pith/RYQURHVQV5YKMHR3M5R6VBXLR7","bundle":"https://pith.science/pith/RYQURHVQV5YKMHR3M5R6VBXLR7/bundle.json","state":"https://pith.science/pith/RYQURHVQV5YKMHR3M5R6VBXLR7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RYQURHVQV5YKMHR3M5R6VBXLR7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:RYQURHVQV5YKMHR3M5R6VBXLR7","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":"b4533e6b4271544264f0f08875de50d7feed8e5161cf455f92b3837ecee379dd","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-23T19:52:51Z","title_canon_sha256":"ba89daa6a29b19c14ad9f585d1b401abaf320d13b4b42364fefdec73ead68c5e"},"schema_version":"1.0","source":{"id":"1708.07166","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.07166","created_at":"2026-05-18T00:26:29Z"},{"alias_kind":"arxiv_version","alias_value":"1708.07166v1","created_at":"2026-05-18T00:26:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.07166","created_at":"2026-05-18T00:26:29Z"},{"alias_kind":"pith_short_12","alias_value":"RYQURHVQV5YK","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"RYQURHVQV5YKMHR3","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"RYQURHVQ","created_at":"2026-05-18T12:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:3ab9625ee9c4d1538b56c338141aa8a955f3a889b6bf68c4bbf0303dd4ec6066","target":"graph","created_at":"2026-05-18T00:26:29Z","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":"We numerically studied close encounters between a young stellar system hosting a massive, gravitationally fragmenting disk and an intruder diskless star with the purpose to determine the evolution of fragments that have formed in the disk prior to the encounter. Numerical hydrodynamics simulations in the non-inertial frame of reference of the host star were employed to simulate the prograde and retrograde co-planar encounters. The initial configuration of the target system (star plus disk) was obtained via a separate numerical simulation featuring the gravitational collapse of a solar-mass pre","authors_text":"2), (2) Research Institute of Physics, (3) Lunar, (4) University of Vienna, Department of Astrophysics), Eduard I. Vorobyov (1, Heat Transfer, Manuel Guedel (4) ((1) Institute of Fluid Mechanics, Maria Steinrueck (3), Planetary Laboratory, Southern Federal University, TU Wien, University of Arizona, Vardan Elbakyan (2)","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-23T19:52:51Z","title":"Formation of freely floating sub-stellar objects via close encounters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.07166","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":"sha256:1c2ab8351afbf1bf37298afb6f1a641c5b6e01fe20776d0f87f4d7c888cc7dcf","target":"record","created_at":"2026-05-18T00:26:29Z","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":"b4533e6b4271544264f0f08875de50d7feed8e5161cf455f92b3837ecee379dd","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2017-08-23T19:52:51Z","title_canon_sha256":"ba89daa6a29b19c14ad9f585d1b401abaf320d13b4b42364fefdec73ead68c5e"},"schema_version":"1.0","source":{"id":"1708.07166","kind":"arxiv","version":1}},"canonical_sha256":"8e21489eb0af70a61e3b6763ea86eb8fe785d3d2c88e624873a7294e4b5082b1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8e21489eb0af70a61e3b6763ea86eb8fe785d3d2c88e624873a7294e4b5082b1","first_computed_at":"2026-05-18T00:26:29.195715Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:26:29.195715Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RWf3U96MBjm+nKRrSNwHfdbHPGfHXxdIzRDYZJaVUYfBa1J6uG9od312/wDNQNE6jMIay5AijxtdCYEM5cmDCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:26:29.196393Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.07166","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1c2ab8351afbf1bf37298afb6f1a641c5b6e01fe20776d0f87f4d7c888cc7dcf","sha256:3ab9625ee9c4d1538b56c338141aa8a955f3a889b6bf68c4bbf0303dd4ec6066"],"state_sha256":"ce680da5d17fadd9b1ce52ac3de626564c65d3374bf3d83c282872275745dcff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NWyEr9fQuJCRO6d8lS6En3ncFTiPld/uck0X/N1DHTgAN9vnyj8o4IKgii7coyffvLoAMjbiT7qwbgsvKd/zBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T01:17:51.318587Z","bundle_sha256":"f3ba8d5d8d97aa2c14878a82b4149a359b9851231d3bc0d050c3ac67358a0831"}}