{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:EJS6LNZM7GDUYVPWGKQMTKTIIC","short_pith_number":"pith:EJS6LNZM","canonical_record":{"source":{"id":"1202.0795","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-02-03T18:47:24Z","cross_cats_sorted":["nlin.PS","physics.flu-dyn"],"title_canon_sha256":"4d5f68c2d78af1a0b437ad88c41f9965be4516e96f0876605c9b4015c888e840","abstract_canon_sha256":"9d8197c400578faa05ec15ff47871d2190942fa20829cef51a8bfdb5d355adaa"},"schema_version":"1.0"},"canonical_sha256":"2265e5b72cf9874c55f632a0c9aa6840ac015b61d63d994b9635a5af074c2947","source":{"kind":"arxiv","id":"1202.0795","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.0795","created_at":"2026-05-18T03:44:47Z"},{"alias_kind":"arxiv_version","alias_value":"1202.0795v2","created_at":"2026-05-18T03:44:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.0795","created_at":"2026-05-18T03:44:47Z"},{"alias_kind":"pith_short_12","alias_value":"EJS6LNZM7GDU","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"EJS6LNZM7GDUYVPW","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"EJS6LNZM","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:EJS6LNZM7GDUYVPWGKQMTKTIIC","target":"record","payload":{"canonical_record":{"source":{"id":"1202.0795","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-02-03T18:47:24Z","cross_cats_sorted":["nlin.PS","physics.flu-dyn"],"title_canon_sha256":"4d5f68c2d78af1a0b437ad88c41f9965be4516e96f0876605c9b4015c888e840","abstract_canon_sha256":"9d8197c400578faa05ec15ff47871d2190942fa20829cef51a8bfdb5d355adaa"},"schema_version":"1.0"},"canonical_sha256":"2265e5b72cf9874c55f632a0c9aa6840ac015b61d63d994b9635a5af074c2947","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:44:47.284558Z","signature_b64":"Z8XxBz/az9Ucos96WEnE2NzEPWbHBOBW8kkGS8bNlBrO/8TZGyJoPEV3BCHKPVfLjilhX9VjqhldSbVgEVB5Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2265e5b72cf9874c55f632a0c9aa6840ac015b61d63d994b9635a5af074c2947","last_reissued_at":"2026-05-18T03:44:47.283988Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:44:47.283988Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.0795","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":"2026-05-18T03:44:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tvBg52pZ3VKWeIU1sDIYdK0xnhpP9tQhXEeTnyMX404TWO9vVD2Eo1fiO3su1rhN2gmVHKuheRlET1UkIzi/Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:44:29.820576Z"},"content_sha256":"5a874cdc6a842279354b2a5813c41d56e3575d3563ed25fccdca93f015dc6979","schema_version":"1.0","event_id":"sha256:5a874cdc6a842279354b2a5813c41d56e3575d3563ed25fccdca93f015dc6979"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:EJS6LNZM7GDUYVPWGKQMTKTIIC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Slack Dynamics on an Unfurling String","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nlin.PS","physics.flu-dyn"],"primary_cat":"cond-mat.soft","authors_text":"C. D. Santangelo, J. A. Hanna","submitted_at":"2012-02-03T18:47:24Z","abstract_excerpt":"An arch will grow on a rapidly deployed thin string in contact with a rigid plane. We present a qualitative model for the growing structure involving the amplification, rectification, and advection of slack in the presence of a steady stress field, validate our assumptions with numerical experiments, and pose new questions about the spatially developing motions of thin objects."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.0795","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":"2026-05-18T03:44:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UVI6BVJlSOM31AkMgChyXbo45GkeZv8QJzzNb4bZ2RVlJllK0SDXMXvzJmfIu6ntqDMGyrWTzpDyMKgjz5qDBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:44:29.821194Z"},"content_sha256":"f0e9ac5bbee7d063c8e3eabea8cc8a9661c32d6e95572401b62d108dacb044f4","schema_version":"1.0","event_id":"sha256:f0e9ac5bbee7d063c8e3eabea8cc8a9661c32d6e95572401b62d108dacb044f4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EJS6LNZM7GDUYVPWGKQMTKTIIC/bundle.json","state_url":"https://pith.science/pith/EJS6LNZM7GDUYVPWGKQMTKTIIC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EJS6LNZM7GDUYVPWGKQMTKTIIC/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":"2026-05-25T18:44:29Z","links":{"resolver":"https://pith.science/pith/EJS6LNZM7GDUYVPWGKQMTKTIIC","bundle":"https://pith.science/pith/EJS6LNZM7GDUYVPWGKQMTKTIIC/bundle.json","state":"https://pith.science/pith/EJS6LNZM7GDUYVPWGKQMTKTIIC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EJS6LNZM7GDUYVPWGKQMTKTIIC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:EJS6LNZM7GDUYVPWGKQMTKTIIC","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":"9d8197c400578faa05ec15ff47871d2190942fa20829cef51a8bfdb5d355adaa","cross_cats_sorted":["nlin.PS","physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-02-03T18:47:24Z","title_canon_sha256":"4d5f68c2d78af1a0b437ad88c41f9965be4516e96f0876605c9b4015c888e840"},"schema_version":"1.0","source":{"id":"1202.0795","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.0795","created_at":"2026-05-18T03:44:47Z"},{"alias_kind":"arxiv_version","alias_value":"1202.0795v2","created_at":"2026-05-18T03:44:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.0795","created_at":"2026-05-18T03:44:47Z"},{"alias_kind":"pith_short_12","alias_value":"EJS6LNZM7GDU","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"EJS6LNZM7GDUYVPW","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"EJS6LNZM","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:f0e9ac5bbee7d063c8e3eabea8cc8a9661c32d6e95572401b62d108dacb044f4","target":"graph","created_at":"2026-05-18T03:44:47Z","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"},"paper":{"abstract_excerpt":"An arch will grow on a rapidly deployed thin string in contact with a rigid plane. We present a qualitative model for the growing structure involving the amplification, rectification, and advection of slack in the presence of a steady stress field, validate our assumptions with numerical experiments, and pose new questions about the spatially developing motions of thin objects.","authors_text":"C. D. Santangelo, J. A. Hanna","cross_cats":["nlin.PS","physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-02-03T18:47:24Z","title":"Slack Dynamics on an Unfurling String"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.0795","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":"sha256:5a874cdc6a842279354b2a5813c41d56e3575d3563ed25fccdca93f015dc6979","target":"record","created_at":"2026-05-18T03:44:47Z","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":"9d8197c400578faa05ec15ff47871d2190942fa20829cef51a8bfdb5d355adaa","cross_cats_sorted":["nlin.PS","physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2012-02-03T18:47:24Z","title_canon_sha256":"4d5f68c2d78af1a0b437ad88c41f9965be4516e96f0876605c9b4015c888e840"},"schema_version":"1.0","source":{"id":"1202.0795","kind":"arxiv","version":2}},"canonical_sha256":"2265e5b72cf9874c55f632a0c9aa6840ac015b61d63d994b9635a5af074c2947","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2265e5b72cf9874c55f632a0c9aa6840ac015b61d63d994b9635a5af074c2947","first_computed_at":"2026-05-18T03:44:47.283988Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:44:47.283988Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z8XxBz/az9Ucos96WEnE2NzEPWbHBOBW8kkGS8bNlBrO/8TZGyJoPEV3BCHKPVfLjilhX9VjqhldSbVgEVB5Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:44:47.284558Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.0795","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5a874cdc6a842279354b2a5813c41d56e3575d3563ed25fccdca93f015dc6979","sha256:f0e9ac5bbee7d063c8e3eabea8cc8a9661c32d6e95572401b62d108dacb044f4"],"state_sha256":"39fa37a1bf1bccc353191d5a345588d906987dfd289b1a7aa41a4479bcb81c67"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VNOXo4RJnG7sCzgAlNTF/EJfVNylsJUqgYyZX0I2scJUrKP5/T/84f7EtxVyHVH3cSdTGege9/P7RSDEuerjBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:44:29.824421Z","bundle_sha256":"e94f49fecc9ba0b2c1c97337e0afb881235bb57961ee93d702813ce7088fe538"}}