{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:LOUDR654YTCZU4IAJXJ6QBAIW6","short_pith_number":"pith:LOUDR654","canonical_record":{"source":{"id":"1010.1079","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-10-06T07:47:24Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"68fd221dceb0c8d72eaacac84ae132024308ee3f5f1bd1997af0d4c4d6b8d9c3","abstract_canon_sha256":"b4e6b4cf9763f11aa59bb97d22b799a3ae45439cc5e051fe3837cc4b8d167ded"},"schema_version":"1.0"},"canonical_sha256":"5ba838fbbcc4c59a71004dd3e80408b7a55d7df0c821afac4554879302b5df0c","source":{"kind":"arxiv","id":"1010.1079","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.1079","created_at":"2026-05-18T02:05:10Z"},{"alias_kind":"arxiv_version","alias_value":"1010.1079v1","created_at":"2026-05-18T02:05:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.1079","created_at":"2026-05-18T02:05:10Z"},{"alias_kind":"pith_short_12","alias_value":"LOUDR654YTCZ","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"LOUDR654YTCZU4IA","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"LOUDR654","created_at":"2026-05-18T12:26:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:LOUDR654YTCZU4IAJXJ6QBAIW6","target":"record","payload":{"canonical_record":{"source":{"id":"1010.1079","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-10-06T07:47:24Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"68fd221dceb0c8d72eaacac84ae132024308ee3f5f1bd1997af0d4c4d6b8d9c3","abstract_canon_sha256":"b4e6b4cf9763f11aa59bb97d22b799a3ae45439cc5e051fe3837cc4b8d167ded"},"schema_version":"1.0"},"canonical_sha256":"5ba838fbbcc4c59a71004dd3e80408b7a55d7df0c821afac4554879302b5df0c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:10.736556Z","signature_b64":"XkCaZMdDb3E7urRUB/+EPwz3ksdGq3/x0kw2Um8HIpnVFZnadb8fLvHnTnveW6wM4Waa9bL85TYuwItaPy5lBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5ba838fbbcc4c59a71004dd3e80408b7a55d7df0c821afac4554879302b5df0c","last_reissued_at":"2026-05-18T02:05:10.735883Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:10.735883Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.1079","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":"2026-05-18T02:05:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HqbpEBvFowYyMmdd3WLeUsdyTsfyJpyDEEaKyvVYoyDIg+GogaQTvEsUv/NJ78lA3KMNKwsgGN6bqqJVx2JxAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T20:02:45.209286Z"},"content_sha256":"c963c758e74d837110799e91677195eee1559e666331dca56c95adb7f5474592","schema_version":"1.0","event_id":"sha256:c963c758e74d837110799e91677195eee1559e666331dca56c95adb7f5474592"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:LOUDR654YTCZU4IAJXJ6QBAIW6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The imprint of photoevaporation on edge-on discs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.SR","authors_text":"Barbara Ercolano, Cathie J. Clarke, James E. Owen","submitted_at":"2010-10-06T07:47:24Z","abstract_excerpt":"We have performed hydrodynamic and radiative transfer calculations of a photoevaporating disc around a Herbig Ae/Be star to determine the evolution and observational impact of dust entrained in the wind. We find that the wind selectively entrains grains of different sizes at different radii resulting in a dust population that varies spatially and increases with height above the disc at radii > 10 AU. This variable grain population results in a 'wingnut' morphology to the dust density distribution. We calculate images of this dust distribution at NIR wavelengths that also show a wingnut morphol"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.1079","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":"2026-05-18T02:05:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iLP32XdXk1oNVu/lsvegZQ9/cLQ59pA2h38GL6NHNKuqCa+zk2cmuTZAHZbnI0O3pfJbUP5ZhXUJiqxhtyQ3Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T20:02:45.209680Z"},"content_sha256":"282a025ca74d2da9218a15ba894bfd2b10780712f7791da15c4e5dd064ca3fb4","schema_version":"1.0","event_id":"sha256:282a025ca74d2da9218a15ba894bfd2b10780712f7791da15c4e5dd064ca3fb4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LOUDR654YTCZU4IAJXJ6QBAIW6/bundle.json","state_url":"https://pith.science/pith/LOUDR654YTCZU4IAJXJ6QBAIW6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LOUDR654YTCZU4IAJXJ6QBAIW6/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":"2026-06-10T20:02:45Z","links":{"resolver":"https://pith.science/pith/LOUDR654YTCZU4IAJXJ6QBAIW6","bundle":"https://pith.science/pith/LOUDR654YTCZU4IAJXJ6QBAIW6/bundle.json","state":"https://pith.science/pith/LOUDR654YTCZU4IAJXJ6QBAIW6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LOUDR654YTCZU4IAJXJ6QBAIW6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:LOUDR654YTCZU4IAJXJ6QBAIW6","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":"b4e6b4cf9763f11aa59bb97d22b799a3ae45439cc5e051fe3837cc4b8d167ded","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-10-06T07:47:24Z","title_canon_sha256":"68fd221dceb0c8d72eaacac84ae132024308ee3f5f1bd1997af0d4c4d6b8d9c3"},"schema_version":"1.0","source":{"id":"1010.1079","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.1079","created_at":"2026-05-18T02:05:10Z"},{"alias_kind":"arxiv_version","alias_value":"1010.1079v1","created_at":"2026-05-18T02:05:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.1079","created_at":"2026-05-18T02:05:10Z"},{"alias_kind":"pith_short_12","alias_value":"LOUDR654YTCZ","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"LOUDR654YTCZU4IA","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"LOUDR654","created_at":"2026-05-18T12:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:282a025ca74d2da9218a15ba894bfd2b10780712f7791da15c4e5dd064ca3fb4","target":"graph","created_at":"2026-05-18T02:05:10Z","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 have performed hydrodynamic and radiative transfer calculations of a photoevaporating disc around a Herbig Ae/Be star to determine the evolution and observational impact of dust entrained in the wind. We find that the wind selectively entrains grains of different sizes at different radii resulting in a dust population that varies spatially and increases with height above the disc at radii > 10 AU. This variable grain population results in a 'wingnut' morphology to the dust density distribution. We calculate images of this dust distribution at NIR wavelengths that also show a wingnut morphol","authors_text":"Barbara Ercolano, Cathie J. Clarke, James E. Owen","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-10-06T07:47:24Z","title":"The imprint of photoevaporation on edge-on discs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.1079","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:c963c758e74d837110799e91677195eee1559e666331dca56c95adb7f5474592","target":"record","created_at":"2026-05-18T02:05:10Z","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":"b4e6b4cf9763f11aa59bb97d22b799a3ae45439cc5e051fe3837cc4b8d167ded","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-10-06T07:47:24Z","title_canon_sha256":"68fd221dceb0c8d72eaacac84ae132024308ee3f5f1bd1997af0d4c4d6b8d9c3"},"schema_version":"1.0","source":{"id":"1010.1079","kind":"arxiv","version":1}},"canonical_sha256":"5ba838fbbcc4c59a71004dd3e80408b7a55d7df0c821afac4554879302b5df0c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5ba838fbbcc4c59a71004dd3e80408b7a55d7df0c821afac4554879302b5df0c","first_computed_at":"2026-05-18T02:05:10.735883Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:10.735883Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XkCaZMdDb3E7urRUB/+EPwz3ksdGq3/x0kw2Um8HIpnVFZnadb8fLvHnTnveW6wM4Waa9bL85TYuwItaPy5lBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:10.736556Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.1079","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c963c758e74d837110799e91677195eee1559e666331dca56c95adb7f5474592","sha256:282a025ca74d2da9218a15ba894bfd2b10780712f7791da15c4e5dd064ca3fb4"],"state_sha256":"283d48b3ad20404ba7a8ca55e41c8c41896717f5fe102c048519bba107a64419"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bneAfeBhK3gQ7bTcri6unlb6EbW96aXZajL6Ta72BHX+QaszQTL+x+RhkQa1rhnjyTLkXrBVZeineoCANE+XAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T20:02:45.211686Z","bundle_sha256":"b2ebf301e6754a29c28b9971e1bdf4118a0734ed3905ea2bfcbd84cecedca827"}}