{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:547DHVGXZ7ID5RZRNC3XXSFI3O","short_pith_number":"pith:547DHVGX","canonical_record":{"source":{"id":"1804.02360","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-06T17:19:49Z","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"title_canon_sha256":"bd13cd7ba67921f436b59e08db15c8119e78da0b17819a20ce0b51d83b9c6ead","abstract_canon_sha256":"adb391374b610110756e6cb4bd23ee2ccc6ecae5032911c4375501ad0043f1a8"},"schema_version":"1.0"},"canonical_sha256":"ef3e33d4d7cfd03ec73168b77bc8a8dbad1cd221d9d5bed41e47201d666b2561","source":{"kind":"arxiv","id":"1804.02360","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.02360","created_at":"2026-05-18T00:17:37Z"},{"alias_kind":"arxiv_version","alias_value":"1804.02360v1","created_at":"2026-05-18T00:17:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.02360","created_at":"2026-05-18T00:17:37Z"},{"alias_kind":"pith_short_12","alias_value":"547DHVGXZ7ID","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"547DHVGXZ7ID5RZR","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"547DHVGX","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:547DHVGXZ7ID5RZRNC3XXSFI3O","target":"record","payload":{"canonical_record":{"source":{"id":"1804.02360","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-06T17:19:49Z","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"title_canon_sha256":"bd13cd7ba67921f436b59e08db15c8119e78da0b17819a20ce0b51d83b9c6ead","abstract_canon_sha256":"adb391374b610110756e6cb4bd23ee2ccc6ecae5032911c4375501ad0043f1a8"},"schema_version":"1.0"},"canonical_sha256":"ef3e33d4d7cfd03ec73168b77bc8a8dbad1cd221d9d5bed41e47201d666b2561","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:37.853581Z","signature_b64":"DTZY6CbRePl7hDZ2Ga/8QqWGQio52W5r2l+7sy0DHwsPsmzAZyMbbYbO75Ncr/xV6s1py79QvSlPIzDSVY8KAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ef3e33d4d7cfd03ec73168b77bc8a8dbad1cd221d9d5bed41e47201d666b2561","last_reissued_at":"2026-05-18T00:17:37.852887Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:37.852887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.02360","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":"2026-05-18T00:17:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6JbYZlX8p9Q5y5VT4ryY7cjJFzIzBhOVBQQTMxBG4OZvO3pHbzCP/6m2Ylx1nFiDevzSAZjhCdyG14EdYnYJBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T10:34:54.546184Z"},"content_sha256":"863ea13a583c6f214fd7256b5bcf6dbc2b2b32e5cefe451ce2b344adf5ed9909","schema_version":"1.0","event_id":"sha256:863ea13a583c6f214fd7256b5bcf6dbc2b2b32e5cefe451ce2b344adf5ed9909"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:547DHVGXZ7ID5RZRNC3XXSFI3O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An inner warp in the DoAr 44 T Tauri transition disk","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP","astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"Alice Zurlo, Axel Osses, Felipe Alarcon, Fernando R. Rannou, Henning Avenhaus, Lucas Cieza, Marcelo Barraza, Miguel Carcamo, Pablo E. Romaan, Sascha P. Quanz, Sebastian Marino, Sebastian Perez, Simon Casassus, Victor Navarro","submitted_at":"2018-04-06T17:19:49Z","abstract_excerpt":"Optical/IR images of transition disks (TDs) have revealed deep intensity decrements in the rings of HAeBes HD142527 and HD100453, that can be interpreted as shadowing from sharply tilted inner disks, such that the outer disks are directly exposed to stellar light. Here we report similar dips in SPHERE+IRDIS differential polarized imaging (DPI) of TTauri DoAr44. With a fairly axially symmetric ring in the submm radio continuum, DoAr44 is likely also a warped system. We constrain the warp geometry by comparing radiative transfer predictions with the DPI data in H band (Q_\\phi(H)) and with a re-p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.02360","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":"2026-05-18T00:17:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kOQcF7Pyd1oinP40xhbtJJZ5+6wIQsTSWcp4lIruMT/KVVjOT9TDZHX2nOT3VyvCt/1LZyhmQcra64TpBl2tBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T10:34:54.546893Z"},"content_sha256":"abfab0a45c8b2bc46643a8ad9d75deddf917eeddc2bd745cb912ad546430de44","schema_version":"1.0","event_id":"sha256:abfab0a45c8b2bc46643a8ad9d75deddf917eeddc2bd745cb912ad546430de44"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/547DHVGXZ7ID5RZRNC3XXSFI3O/bundle.json","state_url":"https://pith.science/pith/547DHVGXZ7ID5RZRNC3XXSFI3O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/547DHVGXZ7ID5RZRNC3XXSFI3O/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":"2026-05-31T10:34:54Z","links":{"resolver":"https://pith.science/pith/547DHVGXZ7ID5RZRNC3XXSFI3O","bundle":"https://pith.science/pith/547DHVGXZ7ID5RZRNC3XXSFI3O/bundle.json","state":"https://pith.science/pith/547DHVGXZ7ID5RZRNC3XXSFI3O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/547DHVGXZ7ID5RZRNC3XXSFI3O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:547DHVGXZ7ID5RZRNC3XXSFI3O","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":"adb391374b610110756e6cb4bd23ee2ccc6ecae5032911c4375501ad0043f1a8","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-06T17:19:49Z","title_canon_sha256":"bd13cd7ba67921f436b59e08db15c8119e78da0b17819a20ce0b51d83b9c6ead"},"schema_version":"1.0","source":{"id":"1804.02360","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.02360","created_at":"2026-05-18T00:17:37Z"},{"alias_kind":"arxiv_version","alias_value":"1804.02360v1","created_at":"2026-05-18T00:17:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.02360","created_at":"2026-05-18T00:17:37Z"},{"alias_kind":"pith_short_12","alias_value":"547DHVGXZ7ID","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"547DHVGXZ7ID5RZR","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"547DHVGX","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:abfab0a45c8b2bc46643a8ad9d75deddf917eeddc2bd745cb912ad546430de44","target":"graph","created_at":"2026-05-18T00:17:37Z","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":"Optical/IR images of transition disks (TDs) have revealed deep intensity decrements in the rings of HAeBes HD142527 and HD100453, that can be interpreted as shadowing from sharply tilted inner disks, such that the outer disks are directly exposed to stellar light. Here we report similar dips in SPHERE+IRDIS differential polarized imaging (DPI) of TTauri DoAr44. With a fairly axially symmetric ring in the submm radio continuum, DoAr44 is likely also a warped system. We constrain the warp geometry by comparing radiative transfer predictions with the DPI data in H band (Q_\\phi(H)) and with a re-p","authors_text":"Alice Zurlo, Axel Osses, Felipe Alarcon, Fernando R. Rannou, Henning Avenhaus, Lucas Cieza, Marcelo Barraza, Miguel Carcamo, Pablo E. Romaan, Sascha P. Quanz, Sebastian Marino, Sebastian Perez, Simon Casassus, Victor Navarro","cross_cats":["astro-ph.EP","astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-06T17:19:49Z","title":"An inner warp in the DoAr 44 T Tauri transition disk"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.02360","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":"sha256:863ea13a583c6f214fd7256b5bcf6dbc2b2b32e5cefe451ce2b344adf5ed9909","target":"record","created_at":"2026-05-18T00:17:37Z","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":"adb391374b610110756e6cb4bd23ee2ccc6ecae5032911c4375501ad0043f1a8","cross_cats_sorted":["astro-ph.EP","astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-04-06T17:19:49Z","title_canon_sha256":"bd13cd7ba67921f436b59e08db15c8119e78da0b17819a20ce0b51d83b9c6ead"},"schema_version":"1.0","source":{"id":"1804.02360","kind":"arxiv","version":1}},"canonical_sha256":"ef3e33d4d7cfd03ec73168b77bc8a8dbad1cd221d9d5bed41e47201d666b2561","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ef3e33d4d7cfd03ec73168b77bc8a8dbad1cd221d9d5bed41e47201d666b2561","first_computed_at":"2026-05-18T00:17:37.852887Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:37.852887Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DTZY6CbRePl7hDZ2Ga/8QqWGQio52W5r2l+7sy0DHwsPsmzAZyMbbYbO75Ncr/xV6s1py79QvSlPIzDSVY8KAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:37.853581Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.02360","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:863ea13a583c6f214fd7256b5bcf6dbc2b2b32e5cefe451ce2b344adf5ed9909","sha256:abfab0a45c8b2bc46643a8ad9d75deddf917eeddc2bd745cb912ad546430de44"],"state_sha256":"5a0633c1799be2d26d0e4ef30979338259bb1d9f53ecb771581fe2dcf9883d77"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XWLbx+tmjxHezwwH9BRBXjYJvLDiDG0VnCs8WYd8FTOiWBR2aZSEpll1TaiKrZI9N33LQKS7VZFZWhq/S6vqDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T10:34:54.551430Z","bundle_sha256":"8116e00ee24c210fa1c8e6ef2ed6288a96919961ff2a47d0c8a654783e75bcc4"}}