{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:NYAWQ27QLORFIGUSEV32TSZGCY","short_pith_number":"pith:NYAWQ27Q","canonical_record":{"source":{"id":"1708.01669","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-08-04T21:20:23Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"edbd853970193b7d130d8e50285bd41ae37dfd74ab80bbb271ce71625851de86","abstract_canon_sha256":"7ce438b971f69a93b623e379d461688ef6d41c61b1bffb127eed734edbe2e15e"},"schema_version":"1.0"},"canonical_sha256":"6e01686bf05ba2541a922577a9cb26163b9144658ea8e494bd39913881b9f1d4","source":{"kind":"arxiv","id":"1708.01669","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.01669","created_at":"2026-05-18T00:34:46Z"},{"alias_kind":"arxiv_version","alias_value":"1708.01669v2","created_at":"2026-05-18T00:34:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.01669","created_at":"2026-05-18T00:34:46Z"},{"alias_kind":"pith_short_12","alias_value":"NYAWQ27QLORF","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"NYAWQ27QLORFIGUS","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"NYAWQ27Q","created_at":"2026-05-18T12:31:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:NYAWQ27QLORFIGUSEV32TSZGCY","target":"record","payload":{"canonical_record":{"source":{"id":"1708.01669","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-08-04T21:20:23Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"edbd853970193b7d130d8e50285bd41ae37dfd74ab80bbb271ce71625851de86","abstract_canon_sha256":"7ce438b971f69a93b623e379d461688ef6d41c61b1bffb127eed734edbe2e15e"},"schema_version":"1.0"},"canonical_sha256":"6e01686bf05ba2541a922577a9cb26163b9144658ea8e494bd39913881b9f1d4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:34:46.659645Z","signature_b64":"pkNDT4TEstajoHaqma8bTFtAz4nP1g7dc4s3nO0XWhanrb0xkOV86yPNDJiVmgs+l4UBX6FJ3DxZEMRMV+WPDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6e01686bf05ba2541a922577a9cb26163b9144658ea8e494bd39913881b9f1d4","last_reissued_at":"2026-05-18T00:34:46.658955Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:34:46.658955Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.01669","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:34:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xb0noIf3XepZOfDg/y86q3o7gBrYls8GYh7zH/GbJfAY/LuHadcMFhkYSuJnpeU7Luow+Wiy+G0vDSQ9buxECg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T18:01:07.235350Z"},"content_sha256":"dd388f19fad47b2bc33c938503e8a4c90345036cac87001b8aacced188533bc0","schema_version":"1.0","event_id":"sha256:dd388f19fad47b2bc33c938503e8a4c90345036cac87001b8aacced188533bc0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:NYAWQ27QLORFIGUSEV32TSZGCY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Are fibres in molecular cloud filaments real objects?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Javier Ballesteros-Paredes, Lee W. Hartmann, Manuel Zamora-Avil\\'es","submitted_at":"2017-08-04T21:20:23Z","abstract_excerpt":"We analyse the morphology and kinematics of dense filamentary structures produced in a numerical simulation of a star--forming cloud of $1.4 \\times 10^4 \\, \\Msun$ evolving under their own self--gravity in a magnetized medium. This study is motivated by recent observations of velocity--coherent substructures (\"fibres\") in star-forming filaments. We find such \"fibres\" ubiquitously in our simulated filament. We found that a fibre in one projection is not necessarily a fibre in another projection, and thus, caution should be taken into account when considering them as real objects. We found that o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.01669","kind":"arxiv","version":2},"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":"2026-05-18T00:34:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8WPPj4c+poVZepIDTSlAvUkJMHGrD6TUKWGTdallfNxcShDRDo3xQi5qINHrqqdf13eiz1RObMvkxgmm1Aa8DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T18:01:07.235728Z"},"content_sha256":"ad944a540143ea22db66e1600e437b6dd93c58f2d07e28a3d7a9d8b5c04d850a","schema_version":"1.0","event_id":"sha256:ad944a540143ea22db66e1600e437b6dd93c58f2d07e28a3d7a9d8b5c04d850a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NYAWQ27QLORFIGUSEV32TSZGCY/bundle.json","state_url":"https://pith.science/pith/NYAWQ27QLORFIGUSEV32TSZGCY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NYAWQ27QLORFIGUSEV32TSZGCY/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":"2026-06-06T18:01:07Z","links":{"resolver":"https://pith.science/pith/NYAWQ27QLORFIGUSEV32TSZGCY","bundle":"https://pith.science/pith/NYAWQ27QLORFIGUSEV32TSZGCY/bundle.json","state":"https://pith.science/pith/NYAWQ27QLORFIGUSEV32TSZGCY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NYAWQ27QLORFIGUSEV32TSZGCY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:NYAWQ27QLORFIGUSEV32TSZGCY","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":"7ce438b971f69a93b623e379d461688ef6d41c61b1bffb127eed734edbe2e15e","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-08-04T21:20:23Z","title_canon_sha256":"edbd853970193b7d130d8e50285bd41ae37dfd74ab80bbb271ce71625851de86"},"schema_version":"1.0","source":{"id":"1708.01669","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.01669","created_at":"2026-05-18T00:34:46Z"},{"alias_kind":"arxiv_version","alias_value":"1708.01669v2","created_at":"2026-05-18T00:34:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.01669","created_at":"2026-05-18T00:34:46Z"},{"alias_kind":"pith_short_12","alias_value":"NYAWQ27QLORF","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_16","alias_value":"NYAWQ27QLORFIGUS","created_at":"2026-05-18T12:31:34Z"},{"alias_kind":"pith_short_8","alias_value":"NYAWQ27Q","created_at":"2026-05-18T12:31:34Z"}],"graph_snapshots":[{"event_id":"sha256:ad944a540143ea22db66e1600e437b6dd93c58f2d07e28a3d7a9d8b5c04d850a","target":"graph","created_at":"2026-05-18T00:34:46Z","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 analyse the morphology and kinematics of dense filamentary structures produced in a numerical simulation of a star--forming cloud of $1.4 \\times 10^4 \\, \\Msun$ evolving under their own self--gravity in a magnetized medium. This study is motivated by recent observations of velocity--coherent substructures (\"fibres\") in star-forming filaments. We find such \"fibres\" ubiquitously in our simulated filament. We found that a fibre in one projection is not necessarily a fibre in another projection, and thus, caution should be taken into account when considering them as real objects. We found that o","authors_text":"Javier Ballesteros-Paredes, Lee W. Hartmann, Manuel Zamora-Avil\\'es","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-08-04T21:20:23Z","title":"Are fibres in molecular cloud filaments real objects?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.01669","kind":"arxiv","version":2},"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:dd388f19fad47b2bc33c938503e8a4c90345036cac87001b8aacced188533bc0","target":"record","created_at":"2026-05-18T00:34:46Z","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":"7ce438b971f69a93b623e379d461688ef6d41c61b1bffb127eed734edbe2e15e","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-08-04T21:20:23Z","title_canon_sha256":"edbd853970193b7d130d8e50285bd41ae37dfd74ab80bbb271ce71625851de86"},"schema_version":"1.0","source":{"id":"1708.01669","kind":"arxiv","version":2}},"canonical_sha256":"6e01686bf05ba2541a922577a9cb26163b9144658ea8e494bd39913881b9f1d4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e01686bf05ba2541a922577a9cb26163b9144658ea8e494bd39913881b9f1d4","first_computed_at":"2026-05-18T00:34:46.658955Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:34:46.658955Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pkNDT4TEstajoHaqma8bTFtAz4nP1g7dc4s3nO0XWhanrb0xkOV86yPNDJiVmgs+l4UBX6FJ3DxZEMRMV+WPDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:34:46.659645Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.01669","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dd388f19fad47b2bc33c938503e8a4c90345036cac87001b8aacced188533bc0","sha256:ad944a540143ea22db66e1600e437b6dd93c58f2d07e28a3d7a9d8b5c04d850a"],"state_sha256":"3b260899854cf06aa1d3c16a18c3b11085e2733aeedc708e572c8b16031cf437"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EABWOZSvGg3BMI5YmEMSsl7Ie6/vnJFGxbTWmOSpHvHdkNgOBbAyrQHf1ng8hC1DzMRu44RBp34v3f6ZIU5OAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T18:01:07.237998Z","bundle_sha256":"ab83ea1dc4825163d6e03b05c380a8e08436fb1a5a930d54a9c142118cf1a764"}}