{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:WYSSYTY56CNHV4JPI6FEVD7FMB","short_pith_number":"pith:WYSSYTY5","canonical_record":{"source":{"id":"1006.0919","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-04T15:07:49Z","cross_cats_sorted":[],"title_canon_sha256":"67276c56d30b8765e2fd74dcdd86a72e3f556196fc7b236dcf0ba79796cfc2e7","abstract_canon_sha256":"7a7ea6997a90f1c60f37adc8259434de9b989e3b4af6a0e2f4007f1ae6e5da11"},"schema_version":"1.0"},"canonical_sha256":"b6252c4f1df09a7af12f478a4a8fe5604fc9fdf8b13a1d0648cc3aff70248ce5","source":{"kind":"arxiv","id":"1006.0919","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.0919","created_at":"2026-05-18T02:07:04Z"},{"alias_kind":"arxiv_version","alias_value":"1006.0919v1","created_at":"2026-05-18T02:07:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.0919","created_at":"2026-05-18T02:07:04Z"},{"alias_kind":"pith_short_12","alias_value":"WYSSYTY56CNH","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"WYSSYTY56CNHV4JP","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"WYSSYTY5","created_at":"2026-05-18T12:26:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:WYSSYTY56CNHV4JPI6FEVD7FMB","target":"record","payload":{"canonical_record":{"source":{"id":"1006.0919","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-04T15:07:49Z","cross_cats_sorted":[],"title_canon_sha256":"67276c56d30b8765e2fd74dcdd86a72e3f556196fc7b236dcf0ba79796cfc2e7","abstract_canon_sha256":"7a7ea6997a90f1c60f37adc8259434de9b989e3b4af6a0e2f4007f1ae6e5da11"},"schema_version":"1.0"},"canonical_sha256":"b6252c4f1df09a7af12f478a4a8fe5604fc9fdf8b13a1d0648cc3aff70248ce5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:07:04.685015Z","signature_b64":"WPtVISfRqOucrQGl+2vRO6+kIfCbZf+ry4e+Yz+Y/AxfqsVLIQlD277FRopCK/tH/xkBg+a0PBvwPg4/bf50CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b6252c4f1df09a7af12f478a4a8fe5604fc9fdf8b13a1d0648cc3aff70248ce5","last_reissued_at":"2026-05-18T02:07:04.684446Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:07:04.684446Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1006.0919","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":"2026-05-18T02:07:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dIe1lGU9Wqjub7yg/XVqjmfJWNMfjCtIHZb2QUEgi+kH1sTB/IGOtvM9xO5Mhvif59dy5rPDKerJYXovHT22Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T07:30:14.506754Z"},"content_sha256":"bec1645b811a29615e01b1afa1cba0e8d2eecb6ca69cc367014142a5a7cd1dc1","schema_version":"1.0","event_id":"sha256:bec1645b811a29615e01b1afa1cba0e8d2eecb6ca69cc367014142a5a7cd1dc1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:WYSSYTY56CNHV4JPI6FEVD7FMB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ionization Driven Fragmentation of Gas Outflows Responsible for FeLoBALs in Quasars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Jay P. Dunn, Manuel A. Bautista","submitted_at":"2010-06-04T15:07:49Z","abstract_excerpt":"We show that time variations in the UV ionizing continuum of quasars, on scales of $\\sim$1 year, affect the dynamic structure of the plasmas responsible for low ionization broad absorption lines. Variations of the ionizing continuum produce non-equilibrium photoionization conditions over a significant fraction of the absorbing clouds and supersonically moving ionization fronts. When the flux drops the contraction of the ionized region drives a supersonic cooling front towards the radiation source and a rarefaction wave in the opposite direction. The pressure imbalance is compensated by an incr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.0919","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":"2026-05-18T02:07:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GHhtHYdxDhKQrGcqFp6YMFyf81I+fg85+3Ry8wMqiM20ttbiX4hHJn8Vykk1iO3ufdKO/TATlqZ4XepRcLkmCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T07:30:14.507327Z"},"content_sha256":"64d7338c84e1cd6da056cd650f90580f8d8e8afcd252e5b6decf3b461e606ae4","schema_version":"1.0","event_id":"sha256:64d7338c84e1cd6da056cd650f90580f8d8e8afcd252e5b6decf3b461e606ae4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WYSSYTY56CNHV4JPI6FEVD7FMB/bundle.json","state_url":"https://pith.science/pith/WYSSYTY56CNHV4JPI6FEVD7FMB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WYSSYTY56CNHV4JPI6FEVD7FMB/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":"2026-06-03T07:30:14Z","links":{"resolver":"https://pith.science/pith/WYSSYTY56CNHV4JPI6FEVD7FMB","bundle":"https://pith.science/pith/WYSSYTY56CNHV4JPI6FEVD7FMB/bundle.json","state":"https://pith.science/pith/WYSSYTY56CNHV4JPI6FEVD7FMB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WYSSYTY56CNHV4JPI6FEVD7FMB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:WYSSYTY56CNHV4JPI6FEVD7FMB","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":"7a7ea6997a90f1c60f37adc8259434de9b989e3b4af6a0e2f4007f1ae6e5da11","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-04T15:07:49Z","title_canon_sha256":"67276c56d30b8765e2fd74dcdd86a72e3f556196fc7b236dcf0ba79796cfc2e7"},"schema_version":"1.0","source":{"id":"1006.0919","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.0919","created_at":"2026-05-18T02:07:04Z"},{"alias_kind":"arxiv_version","alias_value":"1006.0919v1","created_at":"2026-05-18T02:07:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.0919","created_at":"2026-05-18T02:07:04Z"},{"alias_kind":"pith_short_12","alias_value":"WYSSYTY56CNH","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"WYSSYTY56CNHV4JP","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"WYSSYTY5","created_at":"2026-05-18T12:26:17Z"}],"graph_snapshots":[{"event_id":"sha256:64d7338c84e1cd6da056cd650f90580f8d8e8afcd252e5b6decf3b461e606ae4","target":"graph","created_at":"2026-05-18T02:07:04Z","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 show that time variations in the UV ionizing continuum of quasars, on scales of $\\sim$1 year, affect the dynamic structure of the plasmas responsible for low ionization broad absorption lines. Variations of the ionizing continuum produce non-equilibrium photoionization conditions over a significant fraction of the absorbing clouds and supersonically moving ionization fronts. When the flux drops the contraction of the ionized region drives a supersonic cooling front towards the radiation source and a rarefaction wave in the opposite direction. The pressure imbalance is compensated by an incr","authors_text":"Jay P. Dunn, Manuel A. Bautista","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-04T15:07:49Z","title":"Ionization Driven Fragmentation of Gas Outflows Responsible for FeLoBALs in Quasars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.0919","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:bec1645b811a29615e01b1afa1cba0e8d2eecb6ca69cc367014142a5a7cd1dc1","target":"record","created_at":"2026-05-18T02:07:04Z","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":"7a7ea6997a90f1c60f37adc8259434de9b989e3b4af6a0e2f4007f1ae6e5da11","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-06-04T15:07:49Z","title_canon_sha256":"67276c56d30b8765e2fd74dcdd86a72e3f556196fc7b236dcf0ba79796cfc2e7"},"schema_version":"1.0","source":{"id":"1006.0919","kind":"arxiv","version":1}},"canonical_sha256":"b6252c4f1df09a7af12f478a4a8fe5604fc9fdf8b13a1d0648cc3aff70248ce5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b6252c4f1df09a7af12f478a4a8fe5604fc9fdf8b13a1d0648cc3aff70248ce5","first_computed_at":"2026-05-18T02:07:04.684446Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:07:04.684446Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WPtVISfRqOucrQGl+2vRO6+kIfCbZf+ry4e+Yz+Y/AxfqsVLIQlD277FRopCK/tH/xkBg+a0PBvwPg4/bf50CQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:07:04.685015Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.0919","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bec1645b811a29615e01b1afa1cba0e8d2eecb6ca69cc367014142a5a7cd1dc1","sha256:64d7338c84e1cd6da056cd650f90580f8d8e8afcd252e5b6decf3b461e606ae4"],"state_sha256":"ed5ac706c6b9267e006ed0ab1306e1eaf8b9f446803c1dd39b7cabb6cfe50a2c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QfGqoBy3OayGHHnqAIVECLYzpev5TKxNZBZnNZogfmXab0RZLv43XlJ5/YwglPR8S9fHAqPgg3kK1wuGcHrKBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T07:30:14.509949Z","bundle_sha256":"c9c33069a2bf2f3bba9eadf3267cee5fe9b8feaf6d295cba3be2803c97dbb221"}}