{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:QKMTH2TIO77HBZCABAJNIEF4TX","short_pith_number":"pith:QKMTH2TI","canonical_record":{"source":{"id":"2004.08804","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-04-19T10:01:10Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"59ebe2dbc2a8fa7b3280be816f101c68123146afbf3a8b46fe9d81cafd7fbef6","abstract_canon_sha256":"19cdf5d46e6243a4edeee658a01e4af04ce74ca259f8d2e38c60ae36e0d95ae9"},"schema_version":"1.0"},"canonical_sha256":"829933ea6877fe70e4400812d410bc9ddb2a94d330243fb31392f843a761f6fc","source":{"kind":"arxiv","id":"2004.08804","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.08804","created_at":"2026-07-05T01:28:08Z"},{"alias_kind":"arxiv_version","alias_value":"2004.08804v1","created_at":"2026-07-05T01:28:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.08804","created_at":"2026-07-05T01:28:08Z"},{"alias_kind":"pith_short_12","alias_value":"QKMTH2TIO77H","created_at":"2026-07-05T01:28:08Z"},{"alias_kind":"pith_short_16","alias_value":"QKMTH2TIO77HBZCA","created_at":"2026-07-05T01:28:08Z"},{"alias_kind":"pith_short_8","alias_value":"QKMTH2TI","created_at":"2026-07-05T01:28:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:QKMTH2TIO77HBZCABAJNIEF4TX","target":"record","payload":{"canonical_record":{"source":{"id":"2004.08804","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-04-19T10:01:10Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"59ebe2dbc2a8fa7b3280be816f101c68123146afbf3a8b46fe9d81cafd7fbef6","abstract_canon_sha256":"19cdf5d46e6243a4edeee658a01e4af04ce74ca259f8d2e38c60ae36e0d95ae9"},"schema_version":"1.0"},"canonical_sha256":"829933ea6877fe70e4400812d410bc9ddb2a94d330243fb31392f843a761f6fc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:28:08.998681Z","signature_b64":"zOaeuYbDT7g3ciPia79zJ0sRyAzEyJ2PcEQjLixLpyHF2IkJb/npvK8joKhPePPo9PYK1LJCECl7pxFM5k0AAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"829933ea6877fe70e4400812d410bc9ddb2a94d330243fb31392f843a761f6fc","last_reissued_at":"2026-07-05T01:28:08.998312Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:28:08.998312Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2004.08804","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":"2026-07-05T01:28:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n9t32EhpXG/R/Q5lWqNBGDHRgilXWzc32wJb5fnqeMZGDv/3K30LK8VVqX5IuKfw7SbRHWN/SYZqeNh84Ws2CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-19T20:37:30.717432Z"},"content_sha256":"19d9671a8fc02e8974d70419ee52a0a29d66b76d83b19fbe9d267b43e4bef7c6","schema_version":"1.0","event_id":"sha256:19d9671a8fc02e8974d70419ee52a0a29d66b76d83b19fbe9d267b43e4bef7c6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:QKMTH2TIO77HBZCABAJNIEF4TX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraining MHD disk winds with ALMA. Apparent rotation signatures and application to HH212","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"A. Gusdorf, B. Tabone, C. Codella, E. Bianchi, E. Chapillon, F. Gueth, G. Pineau des For\\^ets, J. Ferreira, L. Podio, S. Cabrit","submitted_at":"2020-04-19T10:01:10Z","abstract_excerpt":"Large millimeter interferometers are revealing a growing number of rotating outflows, which are suggested to trace magneto-centrifugal disk winds (MHD DWs). However, their impact on disk accretion is not yet well quantified. Here we identify systematic biases in retrieving the true launch zone, magnetic lever arm, and angular momentum flux of an MHD DW from apparent rotation signatures. Synthetic position-velocity cuts are constructed from self-similar MHD DWs over a broad range of parameters, and three different methods are applied for estimating the specific angular momentum. We find that th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.08804","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2004.08804/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:28:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B5lL5/7O2/+wIJcOkDHfaGmFhWMqV+63ukFcLrcgdcd112jk6aHrMzFi41Bd1/BGGZtYLY9vPWStQ82T5ttyCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-19T20:37:30.717810Z"},"content_sha256":"753fbefccd9ad688d944a88a64d9ae8b1614106e09deb3e1ec52e0c303c2d2fc","schema_version":"1.0","event_id":"sha256:753fbefccd9ad688d944a88a64d9ae8b1614106e09deb3e1ec52e0c303c2d2fc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QKMTH2TIO77HBZCABAJNIEF4TX/bundle.json","state_url":"https://pith.science/pith/QKMTH2TIO77HBZCABAJNIEF4TX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QKMTH2TIO77HBZCABAJNIEF4TX/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":"2026-07-19T20:37:30Z","links":{"resolver":"https://pith.science/pith/QKMTH2TIO77HBZCABAJNIEF4TX","bundle":"https://pith.science/pith/QKMTH2TIO77HBZCABAJNIEF4TX/bundle.json","state":"https://pith.science/pith/QKMTH2TIO77HBZCABAJNIEF4TX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QKMTH2TIO77HBZCABAJNIEF4TX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:QKMTH2TIO77HBZCABAJNIEF4TX","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":"19cdf5d46e6243a4edeee658a01e4af04ce74ca259f8d2e38c60ae36e0d95ae9","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-04-19T10:01:10Z","title_canon_sha256":"59ebe2dbc2a8fa7b3280be816f101c68123146afbf3a8b46fe9d81cafd7fbef6"},"schema_version":"1.0","source":{"id":"2004.08804","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2004.08804","created_at":"2026-07-05T01:28:08Z"},{"alias_kind":"arxiv_version","alias_value":"2004.08804v1","created_at":"2026-07-05T01:28:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2004.08804","created_at":"2026-07-05T01:28:08Z"},{"alias_kind":"pith_short_12","alias_value":"QKMTH2TIO77H","created_at":"2026-07-05T01:28:08Z"},{"alias_kind":"pith_short_16","alias_value":"QKMTH2TIO77HBZCA","created_at":"2026-07-05T01:28:08Z"},{"alias_kind":"pith_short_8","alias_value":"QKMTH2TI","created_at":"2026-07-05T01:28:08Z"}],"graph_snapshots":[{"event_id":"sha256:753fbefccd9ad688d944a88a64d9ae8b1614106e09deb3e1ec52e0c303c2d2fc","target":"graph","created_at":"2026-07-05T01:28:08Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2004.08804/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Large millimeter interferometers are revealing a growing number of rotating outflows, which are suggested to trace magneto-centrifugal disk winds (MHD DWs). However, their impact on disk accretion is not yet well quantified. Here we identify systematic biases in retrieving the true launch zone, magnetic lever arm, and angular momentum flux of an MHD DW from apparent rotation signatures. Synthetic position-velocity cuts are constructed from self-similar MHD DWs over a broad range of parameters, and three different methods are applied for estimating the specific angular momentum. We find that th","authors_text":"A. Gusdorf, B. Tabone, C. Codella, E. Bianchi, E. Chapillon, F. Gueth, G. Pineau des For\\^ets, J. Ferreira, L. Podio, S. Cabrit","cross_cats":["astro-ph.GA","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-04-19T10:01:10Z","title":"Constraining MHD disk winds with ALMA. Apparent rotation signatures and application to HH212"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2004.08804","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":"sha256:19d9671a8fc02e8974d70419ee52a0a29d66b76d83b19fbe9d267b43e4bef7c6","target":"record","created_at":"2026-07-05T01:28:08Z","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":"19cdf5d46e6243a4edeee658a01e4af04ce74ca259f8d2e38c60ae36e0d95ae9","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2020-04-19T10:01:10Z","title_canon_sha256":"59ebe2dbc2a8fa7b3280be816f101c68123146afbf3a8b46fe9d81cafd7fbef6"},"schema_version":"1.0","source":{"id":"2004.08804","kind":"arxiv","version":1}},"canonical_sha256":"829933ea6877fe70e4400812d410bc9ddb2a94d330243fb31392f843a761f6fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"829933ea6877fe70e4400812d410bc9ddb2a94d330243fb31392f843a761f6fc","first_computed_at":"2026-07-05T01:28:08.998312Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:28:08.998312Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zOaeuYbDT7g3ciPia79zJ0sRyAzEyJ2PcEQjLixLpyHF2IkJb/npvK8joKhPePPo9PYK1LJCECl7pxFM5k0AAg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:28:08.998681Z","signed_message":"canonical_sha256_bytes"},"source_id":"2004.08804","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:19d9671a8fc02e8974d70419ee52a0a29d66b76d83b19fbe9d267b43e4bef7c6","sha256:753fbefccd9ad688d944a88a64d9ae8b1614106e09deb3e1ec52e0c303c2d2fc"],"state_sha256":"d4dd8e5abc59ba52b0bfadda5ccd7267503311e279fe5b3157b27d77646e020c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cpIZQj+GJZFLhnbP3L+oNWG0l0CeuZZIR7Gifj0dOAlpHaBcRWyeYGepUwncuXivCtfONgtSJymyA/hLvVcxDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-19T20:37:30.720205Z","bundle_sha256":"045aac38d57987ce09cd0392027d666e4e7d30a26eb565e0861676536e3b76c3"}}