{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:I3F3IMU6FV7X42SSOIAJ7ZU5CA","short_pith_number":"pith:I3F3IMU6","canonical_record":{"source":{"id":"1109.0986","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-09-05T20:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"38f89c9e7b9d25625b9d73dcee16a5babd4fddef87709b60461c93ae56a91831","abstract_canon_sha256":"9eef8920ffba271b594a797c42936dda119663c0c11a2f373d125384fa585d06"},"schema_version":"1.0"},"canonical_sha256":"46cbb4329e2d7f7e6a5272009fe69d1017b52208e645ad3a9ef8d56ed88a5122","source":{"kind":"arxiv","id":"1109.0986","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.0986","created_at":"2026-05-18T02:00:39Z"},{"alias_kind":"arxiv_version","alias_value":"1109.0986v1","created_at":"2026-05-18T02:00:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.0986","created_at":"2026-05-18T02:00:39Z"},{"alias_kind":"pith_short_12","alias_value":"I3F3IMU6FV7X","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"I3F3IMU6FV7X42SS","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"I3F3IMU6","created_at":"2026-05-18T12:26:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:I3F3IMU6FV7X42SSOIAJ7ZU5CA","target":"record","payload":{"canonical_record":{"source":{"id":"1109.0986","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-09-05T20:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"38f89c9e7b9d25625b9d73dcee16a5babd4fddef87709b60461c93ae56a91831","abstract_canon_sha256":"9eef8920ffba271b594a797c42936dda119663c0c11a2f373d125384fa585d06"},"schema_version":"1.0"},"canonical_sha256":"46cbb4329e2d7f7e6a5272009fe69d1017b52208e645ad3a9ef8d56ed88a5122","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:39.537507Z","signature_b64":"LDVHx7it7j7ak/LjYnHe0w9jYZ7Zl/5A8MIJXdm1K/uCaEe5F8X4FTQQC+FiCyOXCpaCcPmYvgzaVuufHx4NBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"46cbb4329e2d7f7e6a5272009fe69d1017b52208e645ad3a9ef8d56ed88a5122","last_reissued_at":"2026-05-18T02:00:39.536785Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:39.536785Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.0986","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":"2026-05-18T02:00:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N4g1r6i658aiaw1IYeSxkqaHNY9XnBq0wW4yseGJULQnFy10MQ21b09JGgIscOfwGFm0s6r1h1V58XtjzxIhDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T10:00:56.105457Z"},"content_sha256":"d5788607fe4e2989a9b19f5032d6976503230bf8623fe2a6c4d2ce44ac8b21e1","schema_version":"1.0","event_id":"sha256:d5788607fe4e2989a9b19f5032d6976503230bf8623fe2a6c4d2ce44ac8b21e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:I3F3IMU6FV7X42SSOIAJ7ZU5CA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The dynamical state of stellar structure in star-forming regions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"2, (2) Leiden, 3), (3) MPA Garching, (4) IoA Cambridge, 5, (5) Bonn, 6), (6) Grenoble, 7), (7) Excellence Cluster Munich, (8) St. Andrews), Cathie J. Clarke (4), Ian A. Bonnell (8) ((1) Utrecht, J. M. Diederik Kruijssen (1, Nate Bastian (4, Nickolas Moeckel (4), Thomas Maschberger (4","submitted_at":"2011-09-05T20:00:00Z","abstract_excerpt":"The fraction of star formation that results in bound star clusters is influenced by the density spectrum in which stars are formed and by the response of the stellar structure to gas expulsion. We analyse hydrodynamical simulations of turbulent fragmentation in star-forming regions to assess the dynamical properties of the resulting population of stars and (sub)clusters. Stellar subclusters are identified using a minimum spanning tree algorithm. When considering only the gravitational potential of the stars and ignoring the gas, we find that the identified subclusters are close to virial equil"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.0986","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":"2026-05-18T02:00:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/ctpkfgWsAT2+fSrMTrxGgksHV3gcMOWLxQLQ1dXxty99YVHqb+AF9EJmmPflVF4BPieljA/GQyZD+osOhADBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T10:00:56.106023Z"},"content_sha256":"a763f65f5a8792be02e74681d574abd75f79d49e0c164ee5f4263e7fea1f2a5d","schema_version":"1.0","event_id":"sha256:a763f65f5a8792be02e74681d574abd75f79d49e0c164ee5f4263e7fea1f2a5d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I3F3IMU6FV7X42SSOIAJ7ZU5CA/bundle.json","state_url":"https://pith.science/pith/I3F3IMU6FV7X42SSOIAJ7ZU5CA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I3F3IMU6FV7X42SSOIAJ7ZU5CA/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":"2026-06-05T10:00:56Z","links":{"resolver":"https://pith.science/pith/I3F3IMU6FV7X42SSOIAJ7ZU5CA","bundle":"https://pith.science/pith/I3F3IMU6FV7X42SSOIAJ7ZU5CA/bundle.json","state":"https://pith.science/pith/I3F3IMU6FV7X42SSOIAJ7ZU5CA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I3F3IMU6FV7X42SSOIAJ7ZU5CA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:I3F3IMU6FV7X42SSOIAJ7ZU5CA","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":"9eef8920ffba271b594a797c42936dda119663c0c11a2f373d125384fa585d06","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-09-05T20:00:00Z","title_canon_sha256":"38f89c9e7b9d25625b9d73dcee16a5babd4fddef87709b60461c93ae56a91831"},"schema_version":"1.0","source":{"id":"1109.0986","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.0986","created_at":"2026-05-18T02:00:39Z"},{"alias_kind":"arxiv_version","alias_value":"1109.0986v1","created_at":"2026-05-18T02:00:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.0986","created_at":"2026-05-18T02:00:39Z"},{"alias_kind":"pith_short_12","alias_value":"I3F3IMU6FV7X","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_16","alias_value":"I3F3IMU6FV7X42SS","created_at":"2026-05-18T12:26:30Z"},{"alias_kind":"pith_short_8","alias_value":"I3F3IMU6","created_at":"2026-05-18T12:26:30Z"}],"graph_snapshots":[{"event_id":"sha256:a763f65f5a8792be02e74681d574abd75f79d49e0c164ee5f4263e7fea1f2a5d","target":"graph","created_at":"2026-05-18T02:00:39Z","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":"The fraction of star formation that results in bound star clusters is influenced by the density spectrum in which stars are formed and by the response of the stellar structure to gas expulsion. We analyse hydrodynamical simulations of turbulent fragmentation in star-forming regions to assess the dynamical properties of the resulting population of stars and (sub)clusters. Stellar subclusters are identified using a minimum spanning tree algorithm. When considering only the gravitational potential of the stars and ignoring the gas, we find that the identified subclusters are close to virial equil","authors_text":"2, (2) Leiden, 3), (3) MPA Garching, (4) IoA Cambridge, 5, (5) Bonn, 6), (6) Grenoble, 7), (7) Excellence Cluster Munich, (8) St. Andrews), Cathie J. Clarke (4), Ian A. Bonnell (8) ((1) Utrecht, J. M. Diederik Kruijssen (1, Nate Bastian (4, Nickolas Moeckel (4), Thomas Maschberger (4","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-09-05T20:00:00Z","title":"The dynamical state of stellar structure in star-forming regions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.0986","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:d5788607fe4e2989a9b19f5032d6976503230bf8623fe2a6c4d2ce44ac8b21e1","target":"record","created_at":"2026-05-18T02:00:39Z","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":"9eef8920ffba271b594a797c42936dda119663c0c11a2f373d125384fa585d06","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2011-09-05T20:00:00Z","title_canon_sha256":"38f89c9e7b9d25625b9d73dcee16a5babd4fddef87709b60461c93ae56a91831"},"schema_version":"1.0","source":{"id":"1109.0986","kind":"arxiv","version":1}},"canonical_sha256":"46cbb4329e2d7f7e6a5272009fe69d1017b52208e645ad3a9ef8d56ed88a5122","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"46cbb4329e2d7f7e6a5272009fe69d1017b52208e645ad3a9ef8d56ed88a5122","first_computed_at":"2026-05-18T02:00:39.536785Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:39.536785Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LDVHx7it7j7ak/LjYnHe0w9jYZ7Zl/5A8MIJXdm1K/uCaEe5F8X4FTQQC+FiCyOXCpaCcPmYvgzaVuufHx4NBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:39.537507Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.0986","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d5788607fe4e2989a9b19f5032d6976503230bf8623fe2a6c4d2ce44ac8b21e1","sha256:a763f65f5a8792be02e74681d574abd75f79d49e0c164ee5f4263e7fea1f2a5d"],"state_sha256":"581c1072c5d165b0b23dee746171c506f29f6e70078eca48299e6cd5b279a727"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jBCD64+xf37hrTsjDG/TPU8xoce5V7dUNdKvEhMweUa/mxjkqevpAAXoRzdcXfBJhUW7+GvjJmPP/KTDw29FCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T10:00:56.108671Z","bundle_sha256":"63bd3499686c801829416586413804b0af666baad5836b737df10a2fc851cdcb"}}