{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:4AJQNSGVEHIF6IEXNTCDLMMGA5","short_pith_number":"pith:4AJQNSGV","canonical_record":{"source":{"id":"1401.6534","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2014-01-25T14:05:11Z","cross_cats_sorted":[],"title_canon_sha256":"753c6323f47fa09512302f3e7f1b26d97b8ba4ca8bbbc48867fcdce9c9a01fd2","abstract_canon_sha256":"94929f26d88322191f88250fb9aa17286b5b56741389bb45a5599268caf81171"},"schema_version":"1.0"},"canonical_sha256":"e01306c8d521d05f20976cc435b186075392e77f09781b0f93bea80fe60e6b93","source":{"kind":"arxiv","id":"1401.6534","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.6534","created_at":"2026-05-18T03:01:01Z"},{"alias_kind":"arxiv_version","alias_value":"1401.6534v1","created_at":"2026-05-18T03:01:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.6534","created_at":"2026-05-18T03:01:01Z"},{"alias_kind":"pith_short_12","alias_value":"4AJQNSGVEHIF","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"4AJQNSGVEHIF6IEX","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"4AJQNSGV","created_at":"2026-05-18T12:28:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:4AJQNSGVEHIF6IEXNTCDLMMGA5","target":"record","payload":{"canonical_record":{"source":{"id":"1401.6534","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2014-01-25T14:05:11Z","cross_cats_sorted":[],"title_canon_sha256":"753c6323f47fa09512302f3e7f1b26d97b8ba4ca8bbbc48867fcdce9c9a01fd2","abstract_canon_sha256":"94929f26d88322191f88250fb9aa17286b5b56741389bb45a5599268caf81171"},"schema_version":"1.0"},"canonical_sha256":"e01306c8d521d05f20976cc435b186075392e77f09781b0f93bea80fe60e6b93","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:01:01.432662Z","signature_b64":"lc6e6xmJX4n0I6ChTv1faD+qNYcmdZ2ZxviZZU8K9X6Wv2dJIt4EiJ2N3QC7a4KFweBhhKknRSmAcFrEGEsCBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e01306c8d521d05f20976cc435b186075392e77f09781b0f93bea80fe60e6b93","last_reissued_at":"2026-05-18T03:01:01.431909Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:01:01.431909Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.6534","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":"2026-05-18T03:01:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HKC0oLFjSDOtyrN0hXQKuOqCXfcOl7gtzHPoQ509fir1QjEDvjCYWuLvvKy3NdN2ZHcAbnID3o8f9nnou5hjDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:48:53.268809Z"},"content_sha256":"1421b566536688629e0b6751c86b28785e410a71b1a59c0a3e9745f9554047a2","schema_version":"1.0","event_id":"sha256:1421b566536688629e0b6751c86b28785e410a71b1a59c0a3e9745f9554047a2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:4AJQNSGVEHIF6IEXNTCDLMMGA5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A suspended rope wrapped around a cylinder","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.class-ph","authors_text":"Amir Aghamohammadi, Mohammad Khorrami","submitted_at":"2014-01-25T14:05:11Z","abstract_excerpt":"The problem of a suspended rope wrapped around a fixed cylinder is studied. If the suspension force is larger than a certain threshold (which is larger than the weight of the rope), the rope would remain tightly wrapped around the cylinder. For suspension forces smaller than that threshold but larger than another threshold, the rope becomes loose (loses contact with the cylinder) at some points, but still remains at rest. Theses thresholds are obtained when there is no friction. The system is then analyzed also with friction, and the threshold of tight-wrapping is obtained for that case as wel"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.6534","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":"2026-05-18T03:01:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dUVSKqQi4O58s78FOPM/cGslW/LG5+Ro130+MUIz79l9eziunfvjMPvl6JsjKJe/vK1T5hg55A4trgCqb0VbAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T12:48:53.269153Z"},"content_sha256":"ec1e25325a3b5cea431be839445e16ba15bb4ccc4c4ce3ff1c1ba776b1203ae9","schema_version":"1.0","event_id":"sha256:ec1e25325a3b5cea431be839445e16ba15bb4ccc4c4ce3ff1c1ba776b1203ae9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4AJQNSGVEHIF6IEXNTCDLMMGA5/bundle.json","state_url":"https://pith.science/pith/4AJQNSGVEHIF6IEXNTCDLMMGA5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4AJQNSGVEHIF6IEXNTCDLMMGA5/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":"2026-05-28T12:48:53Z","links":{"resolver":"https://pith.science/pith/4AJQNSGVEHIF6IEXNTCDLMMGA5","bundle":"https://pith.science/pith/4AJQNSGVEHIF6IEXNTCDLMMGA5/bundle.json","state":"https://pith.science/pith/4AJQNSGVEHIF6IEXNTCDLMMGA5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4AJQNSGVEHIF6IEXNTCDLMMGA5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:4AJQNSGVEHIF6IEXNTCDLMMGA5","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":"94929f26d88322191f88250fb9aa17286b5b56741389bb45a5599268caf81171","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2014-01-25T14:05:11Z","title_canon_sha256":"753c6323f47fa09512302f3e7f1b26d97b8ba4ca8bbbc48867fcdce9c9a01fd2"},"schema_version":"1.0","source":{"id":"1401.6534","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.6534","created_at":"2026-05-18T03:01:01Z"},{"alias_kind":"arxiv_version","alias_value":"1401.6534v1","created_at":"2026-05-18T03:01:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.6534","created_at":"2026-05-18T03:01:01Z"},{"alias_kind":"pith_short_12","alias_value":"4AJQNSGVEHIF","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_16","alias_value":"4AJQNSGVEHIF6IEX","created_at":"2026-05-18T12:28:14Z"},{"alias_kind":"pith_short_8","alias_value":"4AJQNSGV","created_at":"2026-05-18T12:28:14Z"}],"graph_snapshots":[{"event_id":"sha256:ec1e25325a3b5cea431be839445e16ba15bb4ccc4c4ce3ff1c1ba776b1203ae9","target":"graph","created_at":"2026-05-18T03:01:01Z","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":"The problem of a suspended rope wrapped around a fixed cylinder is studied. If the suspension force is larger than a certain threshold (which is larger than the weight of the rope), the rope would remain tightly wrapped around the cylinder. For suspension forces smaller than that threshold but larger than another threshold, the rope becomes loose (loses contact with the cylinder) at some points, but still remains at rest. Theses thresholds are obtained when there is no friction. The system is then analyzed also with friction, and the threshold of tight-wrapping is obtained for that case as wel","authors_text":"Amir Aghamohammadi, Mohammad Khorrami","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2014-01-25T14:05:11Z","title":"A suspended rope wrapped around a cylinder"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.6534","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":"sha256:1421b566536688629e0b6751c86b28785e410a71b1a59c0a3e9745f9554047a2","target":"record","created_at":"2026-05-18T03:01:01Z","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":"94929f26d88322191f88250fb9aa17286b5b56741389bb45a5599268caf81171","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2014-01-25T14:05:11Z","title_canon_sha256":"753c6323f47fa09512302f3e7f1b26d97b8ba4ca8bbbc48867fcdce9c9a01fd2"},"schema_version":"1.0","source":{"id":"1401.6534","kind":"arxiv","version":1}},"canonical_sha256":"e01306c8d521d05f20976cc435b186075392e77f09781b0f93bea80fe60e6b93","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e01306c8d521d05f20976cc435b186075392e77f09781b0f93bea80fe60e6b93","first_computed_at":"2026-05-18T03:01:01.431909Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:01:01.431909Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lc6e6xmJX4n0I6ChTv1faD+qNYcmdZ2ZxviZZU8K9X6Wv2dJIt4EiJ2N3QC7a4KFweBhhKknRSmAcFrEGEsCBg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:01:01.432662Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.6534","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1421b566536688629e0b6751c86b28785e410a71b1a59c0a3e9745f9554047a2","sha256:ec1e25325a3b5cea431be839445e16ba15bb4ccc4c4ce3ff1c1ba776b1203ae9"],"state_sha256":"fec6dd38510558f2193c40c6e419d72e3ee447ad6a560c17c8dfae3a96169523"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IDl4ZCKZRBAh9dFwQHjNCbxKOl6dQB1SOIpA5tyTdqycODaoc6GpuE+K0eG6VJ3TEkccex7nEKZ59PmvYhbmCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T12:48:53.271192Z","bundle_sha256":"2f32f2701551c10d22f274e4d451e49ac92c6477ce5e87a402d0b9efb492b10a"}}