{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:QVAPPY7C6I6AIGI6VENSJ6KY3Z","short_pith_number":"pith:QVAPPY7C","canonical_record":{"source":{"id":"cond-mat/0403452","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.soft","submitted_at":"2004-03-18T01:49:27Z","cross_cats_sorted":[],"title_canon_sha256":"852310b1d3871d4ebf57e808f2d94408f77bf08aa17b3dc4ad5e89ad8f5ab6e2","abstract_canon_sha256":"950609c56fc5b4cee07ffc7bbf5e1a18777efa71db6078514b09f6de8e1b5602"},"schema_version":"1.0"},"canonical_sha256":"8540f7e3e2f23c04191ea91b24f958de60c37211ac172e496ddfee5dbff69c53","source":{"kind":"arxiv","id":"cond-mat/0403452","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0403452","created_at":"2026-05-18T01:39:58Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0403452v1","created_at":"2026-05-18T01:39:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0403452","created_at":"2026-05-18T01:39:58Z"},{"alias_kind":"pith_short_12","alias_value":"QVAPPY7C6I6A","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"QVAPPY7C6I6AIGI6","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"QVAPPY7C","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:QVAPPY7C6I6AIGI6VENSJ6KY3Z","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0403452","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.soft","submitted_at":"2004-03-18T01:49:27Z","cross_cats_sorted":[],"title_canon_sha256":"852310b1d3871d4ebf57e808f2d94408f77bf08aa17b3dc4ad5e89ad8f5ab6e2","abstract_canon_sha256":"950609c56fc5b4cee07ffc7bbf5e1a18777efa71db6078514b09f6de8e1b5602"},"schema_version":"1.0"},"canonical_sha256":"8540f7e3e2f23c04191ea91b24f958de60c37211ac172e496ddfee5dbff69c53","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:58.411394Z","signature_b64":"lZ/Lfl33Y2KLtCJlnNKlxjUA8PPOX+Qf9a8wZKmlJ8y1puSDOadzqibDWggysju0H6fYoVXwGrPrBF9AzCd6Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8540f7e3e2f23c04191ea91b24f958de60c37211ac172e496ddfee5dbff69c53","last_reissued_at":"2026-05-18T01:39:58.411011Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:58.411011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0403452","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":"2026-05-18T01:39:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HVuGw7m32cHrvV3Ufs4DnJs9KXDPvjwd79ce0BagYdtve4c4oBOM5K29X23Y3BbpnEdfBM2k/S4TFpYDCwsHBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T21:13:06.890386Z"},"content_sha256":"384a10321fdf896ba84fca9e0dc108391ab96b3b71f20a06517c352f605c1650","schema_version":"1.0","event_id":"sha256:384a10321fdf896ba84fca9e0dc108391ab96b3b71f20a06517c352f605c1650"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:QVAPPY7C6I6AIGI6VENSJ6KY3Z","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Helical Ribbons as Isometric Textures","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"(2) LMCP, 3), (3) Institute for Physical Optics, CNRS, France, H.-T. Nguyen ((1) CRPP, Lviv, M.-F. Achard (1), M. Kleman (2), Ukraine), Universite Bordeaux-I, Universite Paris VII, Yu.A. Nastishin (1","submitted_at":"2004-03-18T01:49:27Z","abstract_excerpt":"Deformations that conserve the parallelism and the distances --between layers, in smectic phases; between columns, in columnar phases-- are commonplace in liquid crystals. The resulting deformed textures have the same mass density as in the ground state (an expected property in a liquid) and are at the same time isogonic and isometric, which imposes specific geometric features. The corresponding order parameter singularities extend over rather large, macroscopic, distances, e.g., cofocal conics in smectics. This well-known picture is modified when, superimposed to the 1D or 2D periodicities, t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0403452","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":"2026-05-18T01:39:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kHo9wHR33aOkCoIe86SIFQrJ/0qiV3QS96utvNa2udG4eM9v6MMV6gJ5rVDNsnxoQ5Hoy3Al1ACse2Jf47L5Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T21:13:06.891027Z"},"content_sha256":"316bab8daa765582a4f45f1bf7cf6bff54432d72cf6e443518a32e1750af0f04","schema_version":"1.0","event_id":"sha256:316bab8daa765582a4f45f1bf7cf6bff54432d72cf6e443518a32e1750af0f04"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QVAPPY7C6I6AIGI6VENSJ6KY3Z/bundle.json","state_url":"https://pith.science/pith/QVAPPY7C6I6AIGI6VENSJ6KY3Z/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QVAPPY7C6I6AIGI6VENSJ6KY3Z/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":"2026-06-05T21:13:06Z","links":{"resolver":"https://pith.science/pith/QVAPPY7C6I6AIGI6VENSJ6KY3Z","bundle":"https://pith.science/pith/QVAPPY7C6I6AIGI6VENSJ6KY3Z/bundle.json","state":"https://pith.science/pith/QVAPPY7C6I6AIGI6VENSJ6KY3Z/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QVAPPY7C6I6AIGI6VENSJ6KY3Z/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:QVAPPY7C6I6AIGI6VENSJ6KY3Z","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":"950609c56fc5b4cee07ffc7bbf5e1a18777efa71db6078514b09f6de8e1b5602","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.soft","submitted_at":"2004-03-18T01:49:27Z","title_canon_sha256":"852310b1d3871d4ebf57e808f2d94408f77bf08aa17b3dc4ad5e89ad8f5ab6e2"},"schema_version":"1.0","source":{"id":"cond-mat/0403452","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0403452","created_at":"2026-05-18T01:39:58Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0403452v1","created_at":"2026-05-18T01:39:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0403452","created_at":"2026-05-18T01:39:58Z"},{"alias_kind":"pith_short_12","alias_value":"QVAPPY7C6I6A","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"QVAPPY7C6I6AIGI6","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"QVAPPY7C","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:316bab8daa765582a4f45f1bf7cf6bff54432d72cf6e443518a32e1750af0f04","target":"graph","created_at":"2026-05-18T01:39:58Z","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":"Deformations that conserve the parallelism and the distances --between layers, in smectic phases; between columns, in columnar phases-- are commonplace in liquid crystals. The resulting deformed textures have the same mass density as in the ground state (an expected property in a liquid) and are at the same time isogonic and isometric, which imposes specific geometric features. The corresponding order parameter singularities extend over rather large, macroscopic, distances, e.g., cofocal conics in smectics. This well-known picture is modified when, superimposed to the 1D or 2D periodicities, t","authors_text":"(2) LMCP, 3), (3) Institute for Physical Optics, CNRS, France, H.-T. Nguyen ((1) CRPP, Lviv, M.-F. Achard (1), M. Kleman (2), Ukraine), Universite Bordeaux-I, Universite Paris VII, Yu.A. Nastishin (1","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.soft","submitted_at":"2004-03-18T01:49:27Z","title":"Helical Ribbons as Isometric Textures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0403452","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":"sha256:384a10321fdf896ba84fca9e0dc108391ab96b3b71f20a06517c352f605c1650","target":"record","created_at":"2026-05-18T01:39:58Z","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":"950609c56fc5b4cee07ffc7bbf5e1a18777efa71db6078514b09f6de8e1b5602","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.soft","submitted_at":"2004-03-18T01:49:27Z","title_canon_sha256":"852310b1d3871d4ebf57e808f2d94408f77bf08aa17b3dc4ad5e89ad8f5ab6e2"},"schema_version":"1.0","source":{"id":"cond-mat/0403452","kind":"arxiv","version":1}},"canonical_sha256":"8540f7e3e2f23c04191ea91b24f958de60c37211ac172e496ddfee5dbff69c53","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8540f7e3e2f23c04191ea91b24f958de60c37211ac172e496ddfee5dbff69c53","first_computed_at":"2026-05-18T01:39:58.411011Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:58.411011Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lZ/Lfl33Y2KLtCJlnNKlxjUA8PPOX+Qf9a8wZKmlJ8y1puSDOadzqibDWggysju0H6fYoVXwGrPrBF9AzCd6Dg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:58.411394Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0403452","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:384a10321fdf896ba84fca9e0dc108391ab96b3b71f20a06517c352f605c1650","sha256:316bab8daa765582a4f45f1bf7cf6bff54432d72cf6e443518a32e1750af0f04"],"state_sha256":"07e55e799cbcbb7ec79f101b654234b99c7714e89c4bc6da13dca92b4f772e6f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TNw4DOkZkY55NSkxIphmaoXbgORZ9Nexlnb6sRWM7B/Wwr9+mC+Gt8pcnTUg2oavTVVyavTo7SLYFd6gd/MHCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T21:13:06.894167Z","bundle_sha256":"7f17b048770589204ce28fcca6a6ea92c5f00bbb2614211304e25f8a43f78114"}}