{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:U66G5NH2F36BIFFVYMJL6TQ22B","short_pith_number":"pith:U66G5NH2","canonical_record":{"source":{"id":"2211.15615","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-11-28T18:13:31Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"782c8058452b9d00aa2c7d937c385bdd1fcb54d6090d4a745605edc17c3d6162","abstract_canon_sha256":"3c59f38a1df041b7e39ed4e5983fe8eb5698942aa8d566f31df1c07f8f9948bb"},"schema_version":"1.0"},"canonical_sha256":"a7bc6eb4fa2efc1414b5c312bf4e1ad049f2169cc1ae303436116709138d82ad","source":{"kind":"arxiv","id":"2211.15615","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.15615","created_at":"2026-07-05T05:39:47Z"},{"alias_kind":"arxiv_version","alias_value":"2211.15615v1","created_at":"2026-07-05T05:39:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.15615","created_at":"2026-07-05T05:39:47Z"},{"alias_kind":"pith_short_12","alias_value":"U66G5NH2F36B","created_at":"2026-07-05T05:39:47Z"},{"alias_kind":"pith_short_16","alias_value":"U66G5NH2F36BIFFV","created_at":"2026-07-05T05:39:47Z"},{"alias_kind":"pith_short_8","alias_value":"U66G5NH2","created_at":"2026-07-05T05:39:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:U66G5NH2F36BIFFVYMJL6TQ22B","target":"record","payload":{"canonical_record":{"source":{"id":"2211.15615","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-11-28T18:13:31Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"782c8058452b9d00aa2c7d937c385bdd1fcb54d6090d4a745605edc17c3d6162","abstract_canon_sha256":"3c59f38a1df041b7e39ed4e5983fe8eb5698942aa8d566f31df1c07f8f9948bb"},"schema_version":"1.0"},"canonical_sha256":"a7bc6eb4fa2efc1414b5c312bf4e1ad049f2169cc1ae303436116709138d82ad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:39:47.044541Z","signature_b64":"h3itMNFLR0Aipf8MCWyUizVp4hD4LxzVVM4teIAyIz47SisPlSkbZAfYt1zBYj9tw2VgFgntvisfr4vL6EbSBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a7bc6eb4fa2efc1414b5c312bf4e1ad049f2169cc1ae303436116709138d82ad","last_reissued_at":"2026-07-05T05:39:47.044146Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:39:47.044146Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2211.15615","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":"2026-07-05T05:39:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ejfu9OO00rfgOO1I3pX2F6nGZZFGpCc90P3TyfnjXV/bOi3SkB/JR8p6YFOVrluvANWjbT5IbrmWFfOKTEI8Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T08:06:30.843807Z"},"content_sha256":"eb12ff1362f9821f18ec9848a1df1c9d8d241ad53278e1d1126b23fa3152f3b6","schema_version":"1.0","event_id":"sha256:eb12ff1362f9821f18ec9848a1df1c9d8d241ad53278e1d1126b23fa3152f3b6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:U66G5NH2F36BIFFVYMJL6TQ22B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Non-ideal magnetohydrodynamics of self-gravitating filaments","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Alessandro Lupi, Daniele Galli, Dominik R.G. Schleicher, Nicol Guti\\'errez-Vera, Stefano Bovino, Tommaso Grassi","submitted_at":"2022-11-28T18:13:31Z","abstract_excerpt":"Filaments have been studied in detail through observations and simulations. A range of numerical works have separately investigated how chemistry and diffusion effects, as well as magnetic fields and their structure impact the gas dynamics of the filament. However, non-ideal effects have hardly been explored thus far. We investigate how non-ideal magnetohydrodynamic (MHD) effects, combined with a simplified chemical model affect the evolution and accretion of a star-forming filament. We modeled an accreting self-gravitating turbulent filament using lemongrab, a one-dimensional (1D) non-ideal M"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.15615","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/2211.15615/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":"2026-07-05T05:39:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WsdXV1lLhFias9hdzjYwxHvgDae6tBaEa7ZwNx90sEmw172Tf+ta0410AxGBeXZTH8PxivEXNDgRGHBhSycQCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-13T08:06:30.844374Z"},"content_sha256":"739f82265f90da239162b6ecee4eb03c77429efa878142f40d1a8dd92ece3a6e","schema_version":"1.0","event_id":"sha256:739f82265f90da239162b6ecee4eb03c77429efa878142f40d1a8dd92ece3a6e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U66G5NH2F36BIFFVYMJL6TQ22B/bundle.json","state_url":"https://pith.science/pith/U66G5NH2F36BIFFVYMJL6TQ22B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U66G5NH2F36BIFFVYMJL6TQ22B/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":"2026-08-13T08:06:30Z","links":{"resolver":"https://pith.science/pith/U66G5NH2F36BIFFVYMJL6TQ22B","bundle":"https://pith.science/pith/U66G5NH2F36BIFFVYMJL6TQ22B/bundle.json","state":"https://pith.science/pith/U66G5NH2F36BIFFVYMJL6TQ22B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U66G5NH2F36BIFFVYMJL6TQ22B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:U66G5NH2F36BIFFVYMJL6TQ22B","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":"3c59f38a1df041b7e39ed4e5983fe8eb5698942aa8d566f31df1c07f8f9948bb","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-11-28T18:13:31Z","title_canon_sha256":"782c8058452b9d00aa2c7d937c385bdd1fcb54d6090d4a745605edc17c3d6162"},"schema_version":"1.0","source":{"id":"2211.15615","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2211.15615","created_at":"2026-07-05T05:39:47Z"},{"alias_kind":"arxiv_version","alias_value":"2211.15615v1","created_at":"2026-07-05T05:39:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2211.15615","created_at":"2026-07-05T05:39:47Z"},{"alias_kind":"pith_short_12","alias_value":"U66G5NH2F36B","created_at":"2026-07-05T05:39:47Z"},{"alias_kind":"pith_short_16","alias_value":"U66G5NH2F36BIFFV","created_at":"2026-07-05T05:39:47Z"},{"alias_kind":"pith_short_8","alias_value":"U66G5NH2","created_at":"2026-07-05T05:39:47Z"}],"graph_snapshots":[{"event_id":"sha256:739f82265f90da239162b6ecee4eb03c77429efa878142f40d1a8dd92ece3a6e","target":"graph","created_at":"2026-07-05T05:39:47Z","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/2211.15615/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Filaments have been studied in detail through observations and simulations. A range of numerical works have separately investigated how chemistry and diffusion effects, as well as magnetic fields and their structure impact the gas dynamics of the filament. However, non-ideal effects have hardly been explored thus far. We investigate how non-ideal magnetohydrodynamic (MHD) effects, combined with a simplified chemical model affect the evolution and accretion of a star-forming filament. We modeled an accreting self-gravitating turbulent filament using lemongrab, a one-dimensional (1D) non-ideal M","authors_text":"Alessandro Lupi, Daniele Galli, Dominik R.G. Schleicher, Nicol Guti\\'errez-Vera, Stefano Bovino, Tommaso Grassi","cross_cats":["astro-ph.GA","astro-ph.HE"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-11-28T18:13:31Z","title":"Non-ideal magnetohydrodynamics of self-gravitating filaments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2211.15615","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:eb12ff1362f9821f18ec9848a1df1c9d8d241ad53278e1d1126b23fa3152f3b6","target":"record","created_at":"2026-07-05T05:39:47Z","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":"3c59f38a1df041b7e39ed4e5983fe8eb5698942aa8d566f31df1c07f8f9948bb","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-11-28T18:13:31Z","title_canon_sha256":"782c8058452b9d00aa2c7d937c385bdd1fcb54d6090d4a745605edc17c3d6162"},"schema_version":"1.0","source":{"id":"2211.15615","kind":"arxiv","version":1}},"canonical_sha256":"a7bc6eb4fa2efc1414b5c312bf4e1ad049f2169cc1ae303436116709138d82ad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a7bc6eb4fa2efc1414b5c312bf4e1ad049f2169cc1ae303436116709138d82ad","first_computed_at":"2026-07-05T05:39:47.044146Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:39:47.044146Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"h3itMNFLR0Aipf8MCWyUizVp4hD4LxzVVM4teIAyIz47SisPlSkbZAfYt1zBYj9tw2VgFgntvisfr4vL6EbSBA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:39:47.044541Z","signed_message":"canonical_sha256_bytes"},"source_id":"2211.15615","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eb12ff1362f9821f18ec9848a1df1c9d8d241ad53278e1d1126b23fa3152f3b6","sha256:739f82265f90da239162b6ecee4eb03c77429efa878142f40d1a8dd92ece3a6e"],"state_sha256":"2de66002650cead866c405936358d7cbe40bddcd00e6215a64a1ffd6339236bc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lp4PGOnmA6Qtk0nbF6ujFDVEHZh0Un7LY+TkpWXQgXdSD92cVjaHW/Fn9wst9c0xES8fG7i9hEL3WyOJPV6gCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-13T08:06:30.849862Z","bundle_sha256":"62b1ca6eb515c98aa22492bb6281d8932fd1947c35a3fa24d7b19c86b5b51673"}}