{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:LGP6KFPYRIYZM6FY7RYSWLSILR","short_pith_number":"pith:LGP6KFPY","canonical_record":{"source":{"id":"2606.18870","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-06-17T09:47:58Z","cross_cats_sorted":[],"title_canon_sha256":"a318f9ea6835596b99c376f1a7afb611e168ddc241f497ea3f4ce208cf42e6c7","abstract_canon_sha256":"74977888d4b8713682a30b687400f6bfaa369473a01b781eb1aeabd050eeb02d"},"schema_version":"1.0"},"canonical_sha256":"599fe515f88a319678b8fc712b2e485c53a9e199e522b753f1e3da60935eee9a","source":{"kind":"arxiv","id":"2606.18870","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18870","created_at":"2026-06-19T16:12:58Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18870v2","created_at":"2026-06-19T16:12:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18870","created_at":"2026-06-19T16:12:58Z"},{"alias_kind":"pith_short_12","alias_value":"LGP6KFPYRIYZ","created_at":"2026-06-19T16:12:58Z"},{"alias_kind":"pith_short_16","alias_value":"LGP6KFPYRIYZM6FY","created_at":"2026-06-19T16:12:58Z"},{"alias_kind":"pith_short_8","alias_value":"LGP6KFPY","created_at":"2026-06-19T16:12:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:LGP6KFPYRIYZM6FY7RYSWLSILR","target":"record","payload":{"canonical_record":{"source":{"id":"2606.18870","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-06-17T09:47:58Z","cross_cats_sorted":[],"title_canon_sha256":"a318f9ea6835596b99c376f1a7afb611e168ddc241f497ea3f4ce208cf42e6c7","abstract_canon_sha256":"74977888d4b8713682a30b687400f6bfaa369473a01b781eb1aeabd050eeb02d"},"schema_version":"1.0"},"canonical_sha256":"599fe515f88a319678b8fc712b2e485c53a9e199e522b753f1e3da60935eee9a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-19T16:12:58.397617Z","signature_b64":"nMRgoGsXT127gkK5LghUMJvD2/TgXXHmtWHuALAxEFt9pZ45oBm2nzOdlfFY1ZigDqWhkZQXL6Y8iUqPFOlkBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"599fe515f88a319678b8fc712b2e485c53a9e199e522b753f1e3da60935eee9a","last_reissued_at":"2026-06-19T16:12:58.397197Z","signature_status":"signed_v1","first_computed_at":"2026-06-19T16:12:58.397197Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.18870","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":"2026-06-19T16:12:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Eyl3WA3xfg09JrH725gu29mztFt4XNvgpvhwlQ3XMu02yPh/ZYQn/bqgIouLKGaE92XkCBkYUkKlNLCCLvv6BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T11:04:41.833166Z"},"content_sha256":"ba120c0342793697f8ee42d9837d2733dc84958d09b151314c25b578d98af27f","schema_version":"1.0","event_id":"sha256:ba120c0342793697f8ee42d9837d2733dc84958d09b151314c25b578d98af27f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:LGP6KFPYRIYZM6FY7RYSWLSILR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the emergence of molecular tilt in a ferroelectric smectic liquid crystal with broken director-inversion symmetry","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Adri\\`a Gr\\`acia-Condal, Aitor Erkoreka, Alberto Concell\\'on, Ibon Alonso, Jordi Sellar\\`es, Josu Martinez-Perdiguero, Mauricio Vera-Ar\\'evalo, Sergio Diez-Berart","submitted_at":"2026-06-17T09:47:58Z","abstract_excerpt":"The origin of some mesophases of the ferroelectric nematic realm is not yet well understood. In this work we study the highly polar liquid crystal MIO, a close structural analogue of the prototypical ferroelectric nematogen DIO, which exhibits a ferroelectric smectic A to ferroelectric smectic C (SmAF-SmCF) phase transition. Calorimetric, dielectric and light-scattering experiments reveal that it is a second-order phase transition with mean-field behavior, and is driven by the softening of the tilt elastic constant accompanied by the divergence of the amplitude of the associated dielectric mod"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18870","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.18870/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-06-19T16:12:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xIkbeN0R2ZfbhyQI3KQygzKCF4Px1uum77Q/CQ288/66H3XmHVRDWXFgmqYXgs6qZbekCXY/yoX/p+RdU7kTCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T11:04:41.833561Z"},"content_sha256":"7f825cc5beed6962dd32e388fd9f1ec581d22f0ebb62cbee799f5e322cec4bc2","schema_version":"1.0","event_id":"sha256:7f825cc5beed6962dd32e388fd9f1ec581d22f0ebb62cbee799f5e322cec4bc2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LGP6KFPYRIYZM6FY7RYSWLSILR/bundle.json","state_url":"https://pith.science/pith/LGP6KFPYRIYZM6FY7RYSWLSILR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LGP6KFPYRIYZM6FY7RYSWLSILR/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":"2026-06-30T11:04:41Z","links":{"resolver":"https://pith.science/pith/LGP6KFPYRIYZM6FY7RYSWLSILR","bundle":"https://pith.science/pith/LGP6KFPYRIYZM6FY7RYSWLSILR/bundle.json","state":"https://pith.science/pith/LGP6KFPYRIYZM6FY7RYSWLSILR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LGP6KFPYRIYZM6FY7RYSWLSILR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:LGP6KFPYRIYZM6FY7RYSWLSILR","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":"74977888d4b8713682a30b687400f6bfaa369473a01b781eb1aeabd050eeb02d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-06-17T09:47:58Z","title_canon_sha256":"a318f9ea6835596b99c376f1a7afb611e168ddc241f497ea3f4ce208cf42e6c7"},"schema_version":"1.0","source":{"id":"2606.18870","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.18870","created_at":"2026-06-19T16:12:58Z"},{"alias_kind":"arxiv_version","alias_value":"2606.18870v2","created_at":"2026-06-19T16:12:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.18870","created_at":"2026-06-19T16:12:58Z"},{"alias_kind":"pith_short_12","alias_value":"LGP6KFPYRIYZ","created_at":"2026-06-19T16:12:58Z"},{"alias_kind":"pith_short_16","alias_value":"LGP6KFPYRIYZM6FY","created_at":"2026-06-19T16:12:58Z"},{"alias_kind":"pith_short_8","alias_value":"LGP6KFPY","created_at":"2026-06-19T16:12:58Z"}],"graph_snapshots":[{"event_id":"sha256:7f825cc5beed6962dd32e388fd9f1ec581d22f0ebb62cbee799f5e322cec4bc2","target":"graph","created_at":"2026-06-19T16:12:58Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2606.18870/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The origin of some mesophases of the ferroelectric nematic realm is not yet well understood. In this work we study the highly polar liquid crystal MIO, a close structural analogue of the prototypical ferroelectric nematogen DIO, which exhibits a ferroelectric smectic A to ferroelectric smectic C (SmAF-SmCF) phase transition. Calorimetric, dielectric and light-scattering experiments reveal that it is a second-order phase transition with mean-field behavior, and is driven by the softening of the tilt elastic constant accompanied by the divergence of the amplitude of the associated dielectric mod","authors_text":"Adri\\`a Gr\\`acia-Condal, Aitor Erkoreka, Alberto Concell\\'on, Ibon Alonso, Jordi Sellar\\`es, Josu Martinez-Perdiguero, Mauricio Vera-Ar\\'evalo, Sergio Diez-Berart","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-06-17T09:47:58Z","title":"On the emergence of molecular tilt in a ferroelectric smectic liquid crystal with broken director-inversion symmetry"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.18870","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:ba120c0342793697f8ee42d9837d2733dc84958d09b151314c25b578d98af27f","target":"record","created_at":"2026-06-19T16:12:58Z","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":"74977888d4b8713682a30b687400f6bfaa369473a01b781eb1aeabd050eeb02d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2026-06-17T09:47:58Z","title_canon_sha256":"a318f9ea6835596b99c376f1a7afb611e168ddc241f497ea3f4ce208cf42e6c7"},"schema_version":"1.0","source":{"id":"2606.18870","kind":"arxiv","version":2}},"canonical_sha256":"599fe515f88a319678b8fc712b2e485c53a9e199e522b753f1e3da60935eee9a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"599fe515f88a319678b8fc712b2e485c53a9e199e522b753f1e3da60935eee9a","first_computed_at":"2026-06-19T16:12:58.397197Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:12:58.397197Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nMRgoGsXT127gkK5LghUMJvD2/TgXXHmtWHuALAxEFt9pZ45oBm2nzOdlfFY1ZigDqWhkZQXL6Y8iUqPFOlkBg==","signature_status":"signed_v1","signed_at":"2026-06-19T16:12:58.397617Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.18870","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ba120c0342793697f8ee42d9837d2733dc84958d09b151314c25b578d98af27f","sha256:7f825cc5beed6962dd32e388fd9f1ec581d22f0ebb62cbee799f5e322cec4bc2"],"state_sha256":"0228d4017614b93d79f0f99b02911798b71b2fc9f64f581529973c4c11682ac6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tQWT9oE24o0pkvm1ohBNKlTWpl9FhJWipsEeHdKloWE7tElS9Ao1730d2RVEqGx+MI/cQ25Ujofg7GvitT2+Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T11:04:41.835592Z","bundle_sha256":"d0753984be27f9ee50e80f69786d8b3df0168db2bcb8f8d827983f615c3175f7"}}