{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:B2YHICYDBOYQX3E24VXMARIRJ6","short_pith_number":"pith:B2YHICYD","canonical_record":{"source":{"id":"1703.08551","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-03-24T18:00:09Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"ae4ddfab1ad0558cdeda62ad4196de94604ab6acb3cf8969b2caf6db15562596","abstract_canon_sha256":"d5d852209313d82d72dfafee54e72920c09fbe17103e84e2e9d6ee8279719f1f"},"schema_version":"1.0"},"canonical_sha256":"0eb0740b030bb10bec9ae56ec045114fbe97fdf7310c2ace2457b3575ad32352","source":{"kind":"arxiv","id":"1703.08551","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.08551","created_at":"2026-05-18T00:39:36Z"},{"alias_kind":"arxiv_version","alias_value":"1703.08551v3","created_at":"2026-05-18T00:39:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.08551","created_at":"2026-05-18T00:39:36Z"},{"alias_kind":"pith_short_12","alias_value":"B2YHICYDBOYQ","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"B2YHICYDBOYQX3E2","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"B2YHICYD","created_at":"2026-05-18T12:31:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:B2YHICYDBOYQX3E24VXMARIRJ6","target":"record","payload":{"canonical_record":{"source":{"id":"1703.08551","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-03-24T18:00:09Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"ae4ddfab1ad0558cdeda62ad4196de94604ab6acb3cf8969b2caf6db15562596","abstract_canon_sha256":"d5d852209313d82d72dfafee54e72920c09fbe17103e84e2e9d6ee8279719f1f"},"schema_version":"1.0"},"canonical_sha256":"0eb0740b030bb10bec9ae56ec045114fbe97fdf7310c2ace2457b3575ad32352","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:39:36.243292Z","signature_b64":"zSy/xgiA/nptSNoNeN5vaxnVM5TIzEoLa/tXqLGATK7xda8n0Ey7L5elCXBqBL0Me3vn7NfUMu1qajmjpofMAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0eb0740b030bb10bec9ae56ec045114fbe97fdf7310c2ace2457b3575ad32352","last_reissued_at":"2026-05-18T00:39:36.242700Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:39:36.242700Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.08551","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:39:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HwITtYixbqeaspD76IvDlKvuDfLNP59CLW7Q+0vSoU8u1CLSG7jy0npX813MnvY3wtiPG5iuf29nYLcLAfkgCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T09:29:25.238886Z"},"content_sha256":"e057f906fae393fc6e439eee857108daa6e130a6420b69d08bb59d2824e941bd","schema_version":"1.0","event_id":"sha256:e057f906fae393fc6e439eee857108daa6e130a6420b69d08bb59d2824e941bd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:B2YHICYDBOYQX3E24VXMARIRJ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Formation of runaway stars in a star-cluster potential","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Nathan W. C. Leigh, Rosalba Perna, Taeho Ryu","submitted_at":"2017-03-24T18:00:09Z","abstract_excerpt":"We study the formation of runaway stars due to binary-binary (2+2) interactions in young star-forming clusters and/or associations. This is done using a combination of analytic methods and numerical simulations of 2+2 scattering interactions, both in isolation and in a homogeneous background potential. We focus on interactions that produce two single stars and a binary, and study the outcomes as a function of the depth of the background potential, within a range typical of cluster cores. As reference parameters for the observational properties, we use those observed for the system of runaway s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.08551","kind":"arxiv","version":3},"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":"2026-05-18T00:39:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pSCaJHYsPG+x2Aa4LpVA/pG7tSlBzKO7M44lkJhyHMVKrj+s7MZyX6vFUP64yBjTMrS7Kbh3xu5Ir/cdjvKiBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T09:29:25.239234Z"},"content_sha256":"0fd6624e1cb11bb546f93bb2ac27d7fb263707013ecaba234492b8a4ec63bc6f","schema_version":"1.0","event_id":"sha256:0fd6624e1cb11bb546f93bb2ac27d7fb263707013ecaba234492b8a4ec63bc6f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/B2YHICYDBOYQX3E24VXMARIRJ6/bundle.json","state_url":"https://pith.science/pith/B2YHICYDBOYQX3E24VXMARIRJ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/B2YHICYDBOYQX3E24VXMARIRJ6/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":"2026-06-05T09:29:25Z","links":{"resolver":"https://pith.science/pith/B2YHICYDBOYQX3E24VXMARIRJ6","bundle":"https://pith.science/pith/B2YHICYDBOYQX3E24VXMARIRJ6/bundle.json","state":"https://pith.science/pith/B2YHICYDBOYQX3E24VXMARIRJ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/B2YHICYDBOYQX3E24VXMARIRJ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:B2YHICYDBOYQX3E24VXMARIRJ6","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":"d5d852209313d82d72dfafee54e72920c09fbe17103e84e2e9d6ee8279719f1f","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-03-24T18:00:09Z","title_canon_sha256":"ae4ddfab1ad0558cdeda62ad4196de94604ab6acb3cf8969b2caf6db15562596"},"schema_version":"1.0","source":{"id":"1703.08551","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.08551","created_at":"2026-05-18T00:39:36Z"},{"alias_kind":"arxiv_version","alias_value":"1703.08551v3","created_at":"2026-05-18T00:39:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.08551","created_at":"2026-05-18T00:39:36Z"},{"alias_kind":"pith_short_12","alias_value":"B2YHICYDBOYQ","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"B2YHICYDBOYQX3E2","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"B2YHICYD","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:0fd6624e1cb11bb546f93bb2ac27d7fb263707013ecaba234492b8a4ec63bc6f","target":"graph","created_at":"2026-05-18T00:39:36Z","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 study the formation of runaway stars due to binary-binary (2+2) interactions in young star-forming clusters and/or associations. This is done using a combination of analytic methods and numerical simulations of 2+2 scattering interactions, both in isolation and in a homogeneous background potential. We focus on interactions that produce two single stars and a binary, and study the outcomes as a function of the depth of the background potential, within a range typical of cluster cores. As reference parameters for the observational properties, we use those observed for the system of runaway s","authors_text":"Nathan W. C. Leigh, Rosalba Perna, Taeho Ryu","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-03-24T18:00:09Z","title":"Formation of runaway stars in a star-cluster potential"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.08551","kind":"arxiv","version":3},"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:e057f906fae393fc6e439eee857108daa6e130a6420b69d08bb59d2824e941bd","target":"record","created_at":"2026-05-18T00:39:36Z","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":"d5d852209313d82d72dfafee54e72920c09fbe17103e84e2e9d6ee8279719f1f","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-03-24T18:00:09Z","title_canon_sha256":"ae4ddfab1ad0558cdeda62ad4196de94604ab6acb3cf8969b2caf6db15562596"},"schema_version":"1.0","source":{"id":"1703.08551","kind":"arxiv","version":3}},"canonical_sha256":"0eb0740b030bb10bec9ae56ec045114fbe97fdf7310c2ace2457b3575ad32352","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0eb0740b030bb10bec9ae56ec045114fbe97fdf7310c2ace2457b3575ad32352","first_computed_at":"2026-05-18T00:39:36.242700Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:39:36.242700Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zSy/xgiA/nptSNoNeN5vaxnVM5TIzEoLa/tXqLGATK7xda8n0Ey7L5elCXBqBL0Me3vn7NfUMu1qajmjpofMAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:39:36.243292Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.08551","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e057f906fae393fc6e439eee857108daa6e130a6420b69d08bb59d2824e941bd","sha256:0fd6624e1cb11bb546f93bb2ac27d7fb263707013ecaba234492b8a4ec63bc6f"],"state_sha256":"fdda806b223d5e94bd61c510be1c4f235b9e7115693afb2821f554a53c6cc08d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BLQFBXT1/NJMylrss9qxggPhq5ucI3/mpe5juykA1PVQ9INOW1rCshwUGZJE0g8HkRdzwxsmfEWWDTUGreFeDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T09:29:25.241379Z","bundle_sha256":"87ef4e26c16225652e539326dfe17ba040b2a8c238d2898f4f6cd902c440560c"}}