{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:JYSSTPBJFJTDQQON6M7PRRYKQP","short_pith_number":"pith:JYSSTPBJ","canonical_record":{"source":{"id":"1703.05632","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-03-16T14:13:32Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"2cbd37c4d5235a883443feed9b81f04c48cca1c4dd3be86791d898dbe9caec98","abstract_canon_sha256":"61d8339c21016be555fef2c9edb8d28fc4590e74164716d26e590b85e3a0dc51"},"schema_version":"1.0"},"canonical_sha256":"4e2529bc292a663841cdf33ef8c70a83c6b9beb3d2cfe8b4d06c57096f89bc3c","source":{"kind":"arxiv","id":"1703.05632","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.05632","created_at":"2026-05-18T00:48:33Z"},{"alias_kind":"arxiv_version","alias_value":"1703.05632v1","created_at":"2026-05-18T00:48:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.05632","created_at":"2026-05-18T00:48:33Z"},{"alias_kind":"pith_short_12","alias_value":"JYSSTPBJFJTD","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JYSSTPBJFJTDQQON","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JYSSTPBJ","created_at":"2026-05-18T12:31:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:JYSSTPBJFJTDQQON6M7PRRYKQP","target":"record","payload":{"canonical_record":{"source":{"id":"1703.05632","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-03-16T14:13:32Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"2cbd37c4d5235a883443feed9b81f04c48cca1c4dd3be86791d898dbe9caec98","abstract_canon_sha256":"61d8339c21016be555fef2c9edb8d28fc4590e74164716d26e590b85e3a0dc51"},"schema_version":"1.0"},"canonical_sha256":"4e2529bc292a663841cdf33ef8c70a83c6b9beb3d2cfe8b4d06c57096f89bc3c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:33.774553Z","signature_b64":"lflk1QUWNcupSihzWjfWQZ33SkdrY8LswI3148o6PEOjqKqNn27SS8/6wKp4sdCVVXOYy5HpOM8Zuf9pN6ScCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e2529bc292a663841cdf33ef8c70a83c6b9beb3d2cfe8b4d06c57096f89bc3c","last_reissued_at":"2026-05-18T00:48:33.773996Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:33.773996Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.05632","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":"2026-05-18T00:48:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AwJEekDH6K9NUbj1pJhtPC6aEVB3OahuM1nwe2RwQ9W9d3hxKs0Kfki1HpWNs2YSoB5plWP0UX98On+kKEY0Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T07:51:19.575286Z"},"content_sha256":"cd450fb7c722455d4ae42bb7bcd9b297d6a8be28cf51fbd556266334d6e57d82","schema_version":"1.0","event_id":"sha256:cd450fb7c722455d4ae42bb7bcd9b297d6a8be28cf51fbd556266334d6e57d82"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:JYSSTPBJFJTDQQON6M7PRRYKQP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetic Ribbons: A Minimum Hypothesis Model for Filaments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"Sayantan Auddy, Shantanu Basu, Takahiro Kudoh","submitted_at":"2017-03-16T14:13:32Z","abstract_excerpt":"We develop a magnetic ribbon model for molecular cloud filaments. These result from turbulent compression in a molecular cloud in which the background magnetic field sets a preferred direction. We use our model to calculate a synthetic observed relation between apparent width in projection versus observed column density. The relationship is relatively flat, in rough agreement with the observations, and unlike the simple expectation based on a Jeans length argument."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.05632","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":"2026-05-18T00:48:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S/5sdh2r3pSZimvzHfZAchSngoFyqjDt0H7BcsvsUDsco9DM3VOmFn2/03OU4sbXJ+fsvJ7w+zrEYPtnV9DNDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T07:51:19.575700Z"},"content_sha256":"595771f1ad652144559f79a961df3fc642b9d946a91bcef85777a28366bf7147","schema_version":"1.0","event_id":"sha256:595771f1ad652144559f79a961df3fc642b9d946a91bcef85777a28366bf7147"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JYSSTPBJFJTDQQON6M7PRRYKQP/bundle.json","state_url":"https://pith.science/pith/JYSSTPBJFJTDQQON6M7PRRYKQP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JYSSTPBJFJTDQQON6M7PRRYKQP/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":"2026-06-03T07:51:19Z","links":{"resolver":"https://pith.science/pith/JYSSTPBJFJTDQQON6M7PRRYKQP","bundle":"https://pith.science/pith/JYSSTPBJFJTDQQON6M7PRRYKQP/bundle.json","state":"https://pith.science/pith/JYSSTPBJFJTDQQON6M7PRRYKQP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JYSSTPBJFJTDQQON6M7PRRYKQP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:JYSSTPBJFJTDQQON6M7PRRYKQP","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":"61d8339c21016be555fef2c9edb8d28fc4590e74164716d26e590b85e3a0dc51","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-03-16T14:13:32Z","title_canon_sha256":"2cbd37c4d5235a883443feed9b81f04c48cca1c4dd3be86791d898dbe9caec98"},"schema_version":"1.0","source":{"id":"1703.05632","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.05632","created_at":"2026-05-18T00:48:33Z"},{"alias_kind":"arxiv_version","alias_value":"1703.05632v1","created_at":"2026-05-18T00:48:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.05632","created_at":"2026-05-18T00:48:33Z"},{"alias_kind":"pith_short_12","alias_value":"JYSSTPBJFJTD","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_16","alias_value":"JYSSTPBJFJTDQQON","created_at":"2026-05-18T12:31:24Z"},{"alias_kind":"pith_short_8","alias_value":"JYSSTPBJ","created_at":"2026-05-18T12:31:24Z"}],"graph_snapshots":[{"event_id":"sha256:595771f1ad652144559f79a961df3fc642b9d946a91bcef85777a28366bf7147","target":"graph","created_at":"2026-05-18T00:48:33Z","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 develop a magnetic ribbon model for molecular cloud filaments. These result from turbulent compression in a molecular cloud in which the background magnetic field sets a preferred direction. We use our model to calculate a synthetic observed relation between apparent width in projection versus observed column density. The relationship is relatively flat, in rough agreement with the observations, and unlike the simple expectation based on a Jeans length argument.","authors_text":"Sayantan Auddy, Shantanu Basu, Takahiro Kudoh","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-03-16T14:13:32Z","title":"Magnetic Ribbons: A Minimum Hypothesis Model for Filaments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.05632","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:cd450fb7c722455d4ae42bb7bcd9b297d6a8be28cf51fbd556266334d6e57d82","target":"record","created_at":"2026-05-18T00:48:33Z","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":"61d8339c21016be555fef2c9edb8d28fc4590e74164716d26e590b85e3a0dc51","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-03-16T14:13:32Z","title_canon_sha256":"2cbd37c4d5235a883443feed9b81f04c48cca1c4dd3be86791d898dbe9caec98"},"schema_version":"1.0","source":{"id":"1703.05632","kind":"arxiv","version":1}},"canonical_sha256":"4e2529bc292a663841cdf33ef8c70a83c6b9beb3d2cfe8b4d06c57096f89bc3c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e2529bc292a663841cdf33ef8c70a83c6b9beb3d2cfe8b4d06c57096f89bc3c","first_computed_at":"2026-05-18T00:48:33.773996Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:33.773996Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lflk1QUWNcupSihzWjfWQZ33SkdrY8LswI3148o6PEOjqKqNn27SS8/6wKp4sdCVVXOYy5HpOM8Zuf9pN6ScCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:33.774553Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.05632","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cd450fb7c722455d4ae42bb7bcd9b297d6a8be28cf51fbd556266334d6e57d82","sha256:595771f1ad652144559f79a961df3fc642b9d946a91bcef85777a28366bf7147"],"state_sha256":"3747de999116a412a06a86902d35de244d0cd30daaa4f7c3ee965a9245042c7a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LeJWJWzp9g1vfitnruUyxJ/hDa7AAgPk7+QzHAFE2364qnbM804GckdgwNINQRSyhe7+woVMH1cpzddmfrC9Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T07:51:19.577735Z","bundle_sha256":"a613256626c3660133e04b47267870f3862ae9a4866c01878f367a41abcff740"}}