{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:ZVGP2DON3RGSZPIA2NBF2S7RJ6","short_pith_number":"pith:ZVGP2DON","canonical_record":{"source":{"id":"1102.4090","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-20T17:48:56Z","cross_cats_sorted":[],"title_canon_sha256":"a0ad6ee7efa737945d23f54ee5139daf90d06a3e479b447e387d146d97a4cfbb","abstract_canon_sha256":"fc56abd10ad7a0fcdd96811747451b0c2349e8e5d0bf0521a443de7d66b08de3"},"schema_version":"1.0"},"canonical_sha256":"cd4cfd0dcddc4d2cbd00d3425d4bf14f8f8352d8ff00bcb783806d651d4ecbd9","source":{"kind":"arxiv","id":"1102.4090","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.4090","created_at":"2026-05-18T04:22:21Z"},{"alias_kind":"arxiv_version","alias_value":"1102.4090v2","created_at":"2026-05-18T04:22:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.4090","created_at":"2026-05-18T04:22:21Z"},{"alias_kind":"pith_short_12","alias_value":"ZVGP2DON3RGS","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"ZVGP2DON3RGSZPIA","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"ZVGP2DON","created_at":"2026-05-18T12:26:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:ZVGP2DON3RGSZPIA2NBF2S7RJ6","target":"record","payload":{"canonical_record":{"source":{"id":"1102.4090","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-20T17:48:56Z","cross_cats_sorted":[],"title_canon_sha256":"a0ad6ee7efa737945d23f54ee5139daf90d06a3e479b447e387d146d97a4cfbb","abstract_canon_sha256":"fc56abd10ad7a0fcdd96811747451b0c2349e8e5d0bf0521a443de7d66b08de3"},"schema_version":"1.0"},"canonical_sha256":"cd4cfd0dcddc4d2cbd00d3425d4bf14f8f8352d8ff00bcb783806d651d4ecbd9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:22:21.864485Z","signature_b64":"OqrBmt7FWfHJHW8am9s4sVYBZVGRxcEvNLT3xWvC1R5RhwlAKvYK97jkWFjxGO9WLfBHC4ayucl25h/HGjF6Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cd4cfd0dcddc4d2cbd00d3425d4bf14f8f8352d8ff00bcb783806d651d4ecbd9","last_reissued_at":"2026-05-18T04:22:21.863945Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:22:21.863945Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1102.4090","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:22:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zp+xH/+4Cn65wFbn+GNCjGkiwBRlULULEEhhB6nKeMqIcOXNWBxanpTNP8kXBHJrMh1ng6g2bBA5X6ka+vb5BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T14:55:30.763935Z"},"content_sha256":"41053cc51b8770262d1f561330a6aa737f81696d91ea04091c365c4c9a54633f","schema_version":"1.0","event_id":"sha256:41053cc51b8770262d1f561330a6aa737f81696d91ea04091c365c4c9a54633f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:ZVGP2DON3RGSZPIA2NBF2S7RJ6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Three-dimensional simulation of massive star formation in the disk accretion scenario","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Henrik Beuther, Hubert Klahr, Rolf Kuiper, Thomas Henning","submitted_at":"2011-02-20T17:48:56Z","abstract_excerpt":"The most massive stars can form via standard disk accretion - despite of the radiation pressure generated - due to the fact that the massive accretion disk yields a strong anisotropy in the radiation field, releasing most of the radiation pressure perpendicular to the disk accretion flow. Here, we analyze the self-gravity of the forming circumstellar disk as the potential major driver of the angular momentum transport in such massive disks responsible for the high accretion rates needed for the formation of massive stars. For this purpose, we perform self-gravity radiation hydrodynamics simula"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.4090","kind":"arxiv","version":2},"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":"2026-05-18T04:22:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OBlhKhaZRD1V6b63qub53IUqMBL06EhvTBSIrVJs/MdRn78N2ZlD73WDd9xbeOA+yZgC/eht2ppdsk99+NDOAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T14:55:30.764631Z"},"content_sha256":"acbce21df183b4115c1d4d0c4ef1b978b169b1ee4dd4ad12b8e3db84b3b612bd","schema_version":"1.0","event_id":"sha256:acbce21df183b4115c1d4d0c4ef1b978b169b1ee4dd4ad12b8e3db84b3b612bd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZVGP2DON3RGSZPIA2NBF2S7RJ6/bundle.json","state_url":"https://pith.science/pith/ZVGP2DON3RGSZPIA2NBF2S7RJ6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZVGP2DON3RGSZPIA2NBF2S7RJ6/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":"2026-05-26T14:55:30Z","links":{"resolver":"https://pith.science/pith/ZVGP2DON3RGSZPIA2NBF2S7RJ6","bundle":"https://pith.science/pith/ZVGP2DON3RGSZPIA2NBF2S7RJ6/bundle.json","state":"https://pith.science/pith/ZVGP2DON3RGSZPIA2NBF2S7RJ6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZVGP2DON3RGSZPIA2NBF2S7RJ6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:ZVGP2DON3RGSZPIA2NBF2S7RJ6","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":"fc56abd10ad7a0fcdd96811747451b0c2349e8e5d0bf0521a443de7d66b08de3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-20T17:48:56Z","title_canon_sha256":"a0ad6ee7efa737945d23f54ee5139daf90d06a3e479b447e387d146d97a4cfbb"},"schema_version":"1.0","source":{"id":"1102.4090","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1102.4090","created_at":"2026-05-18T04:22:21Z"},{"alias_kind":"arxiv_version","alias_value":"1102.4090v2","created_at":"2026-05-18T04:22:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1102.4090","created_at":"2026-05-18T04:22:21Z"},{"alias_kind":"pith_short_12","alias_value":"ZVGP2DON3RGS","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_16","alias_value":"ZVGP2DON3RGSZPIA","created_at":"2026-05-18T12:26:50Z"},{"alias_kind":"pith_short_8","alias_value":"ZVGP2DON","created_at":"2026-05-18T12:26:50Z"}],"graph_snapshots":[{"event_id":"sha256:acbce21df183b4115c1d4d0c4ef1b978b169b1ee4dd4ad12b8e3db84b3b612bd","target":"graph","created_at":"2026-05-18T04:22:21Z","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 most massive stars can form via standard disk accretion - despite of the radiation pressure generated - due to the fact that the massive accretion disk yields a strong anisotropy in the radiation field, releasing most of the radiation pressure perpendicular to the disk accretion flow. Here, we analyze the self-gravity of the forming circumstellar disk as the potential major driver of the angular momentum transport in such massive disks responsible for the high accretion rates needed for the formation of massive stars. For this purpose, we perform self-gravity radiation hydrodynamics simula","authors_text":"Henrik Beuther, Hubert Klahr, Rolf Kuiper, Thomas Henning","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-20T17:48:56Z","title":"Three-dimensional simulation of massive star formation in the disk accretion scenario"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1102.4090","kind":"arxiv","version":2},"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":"sha256:41053cc51b8770262d1f561330a6aa737f81696d91ea04091c365c4c9a54633f","target":"record","created_at":"2026-05-18T04:22:21Z","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":"fc56abd10ad7a0fcdd96811747451b0c2349e8e5d0bf0521a443de7d66b08de3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-02-20T17:48:56Z","title_canon_sha256":"a0ad6ee7efa737945d23f54ee5139daf90d06a3e479b447e387d146d97a4cfbb"},"schema_version":"1.0","source":{"id":"1102.4090","kind":"arxiv","version":2}},"canonical_sha256":"cd4cfd0dcddc4d2cbd00d3425d4bf14f8f8352d8ff00bcb783806d651d4ecbd9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cd4cfd0dcddc4d2cbd00d3425d4bf14f8f8352d8ff00bcb783806d651d4ecbd9","first_computed_at":"2026-05-18T04:22:21.863945Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:22:21.863945Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OqrBmt7FWfHJHW8am9s4sVYBZVGRxcEvNLT3xWvC1R5RhwlAKvYK97jkWFjxGO9WLfBHC4ayucl25h/HGjF6Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:22:21.864485Z","signed_message":"canonical_sha256_bytes"},"source_id":"1102.4090","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:41053cc51b8770262d1f561330a6aa737f81696d91ea04091c365c4c9a54633f","sha256:acbce21df183b4115c1d4d0c4ef1b978b169b1ee4dd4ad12b8e3db84b3b612bd"],"state_sha256":"c77a9a47769496bcec605315fe98d106904fc3ee8baf0cc1327868a5ada1faf4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T3Q5ukAOjTDHTcUMIlJ8zzvBR8Ncm3a26aeeUlk6QnGGf4v12TJ4Umx6pEzQs7vjI3uO59Jg1X7pqKUEhL7WBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T14:55:30.768098Z","bundle_sha256":"4f04ecdd584ad3e60f2eba5a1a15f24b57cdc128f4821b215560a93df49be1a5"}}