{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:N4VYIUA7524EO7VZI2TMFDYOOO","short_pith_number":"pith:N4VYIUA7","canonical_record":{"source":{"id":"1611.10055","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-11-30T09:08:26Z","cross_cats_sorted":[],"title_canon_sha256":"c3610de2ef3df3dad9682ce98627ac1a395148c47fb364de470d3f17f1f7d9ec","abstract_canon_sha256":"e6027fd2f36d6e97bf081a96509c5b84abc99f81417da73b693e54ac657caddb"},"schema_version":"1.0"},"canonical_sha256":"6f2b84501feeb8477eb946a6c28f0e738132dbbe48f8906a3453b14af5c840f8","source":{"kind":"arxiv","id":"1611.10055","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.10055","created_at":"2026-05-18T00:56:11Z"},{"alias_kind":"arxiv_version","alias_value":"1611.10055v1","created_at":"2026-05-18T00:56:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.10055","created_at":"2026-05-18T00:56:11Z"},{"alias_kind":"pith_short_12","alias_value":"N4VYIUA7524E","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"N4VYIUA7524EO7VZ","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"N4VYIUA7","created_at":"2026-05-18T12:30:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:N4VYIUA7524EO7VZI2TMFDYOOO","target":"record","payload":{"canonical_record":{"source":{"id":"1611.10055","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-11-30T09:08:26Z","cross_cats_sorted":[],"title_canon_sha256":"c3610de2ef3df3dad9682ce98627ac1a395148c47fb364de470d3f17f1f7d9ec","abstract_canon_sha256":"e6027fd2f36d6e97bf081a96509c5b84abc99f81417da73b693e54ac657caddb"},"schema_version":"1.0"},"canonical_sha256":"6f2b84501feeb8477eb946a6c28f0e738132dbbe48f8906a3453b14af5c840f8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:56:11.306791Z","signature_b64":"qFtaemMsjj2pqGg4WbZCy/HnLPOuMiU3VzcGR3/LsbRYLZCUvmJfQtkPqizj1juIImyrlFHwfrec3lIHSvmOCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6f2b84501feeb8477eb946a6c28f0e738132dbbe48f8906a3453b14af5c840f8","last_reissued_at":"2026-05-18T00:56:11.306414Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:56:11.306414Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1611.10055","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":"2026-05-18T00:56:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OSxOqGI1klFLrGzKEQKunMmyPiyXAv1crHkZmQsqBD+H3+WbB4zs1945pBdRJSspgqsv3XvO2se0jvR8qAL+Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T12:41:27.893244Z"},"content_sha256":"030378f6c4bcfb955972e91426db050bd5097418827dab6f60b004443553b736","schema_version":"1.0","event_id":"sha256:030378f6c4bcfb955972e91426db050bd5097418827dab6f60b004443553b736"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:N4VYIUA7524EO7VZI2TMFDYOOO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"How bees and foams respond to curved confinement: level set boundary representations in the Surface Evolver","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Adil Mughal, Gerd Schroeder-Turk, Tomas Libertiny","submitted_at":"2016-11-30T09:08:26Z","abstract_excerpt":"We present a Surface Evolver framework for simulating single bubbles and multicellular foams trapped between curved parallel surfaces. We are able to explore a range of geometries using level set constraints to model the bounding surfaces. Unlike previous work, in which the bounding surfaces are flat (the so called Hele-Shaw geometry), we consider surfaces with non- vanishing Gaussian curvature, specifically the sphere, the torus and the Schwarz Primitive-surface. In the case of multi-cellular foams - our method is to first distribute a set of N points evenly over the surface (using an en- erg"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.10055","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":"2026-05-18T00:56:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ejs+LxYT0Hjp6RES/N92R6seqq5IZQsWpOKDUtGEWER3X1Dqc1ZXc0Qjggrg1oVsUxykIsWBFD5cyQBx1siRAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T12:41:27.893797Z"},"content_sha256":"bd1adb5489320f50be98fbf72aa0043998e2615c90547d070382a3de34b2e2ec","schema_version":"1.0","event_id":"sha256:bd1adb5489320f50be98fbf72aa0043998e2615c90547d070382a3de34b2e2ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N4VYIUA7524EO7VZI2TMFDYOOO/bundle.json","state_url":"https://pith.science/pith/N4VYIUA7524EO7VZI2TMFDYOOO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N4VYIUA7524EO7VZI2TMFDYOOO/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":"2026-06-23T12:41:27Z","links":{"resolver":"https://pith.science/pith/N4VYIUA7524EO7VZI2TMFDYOOO","bundle":"https://pith.science/pith/N4VYIUA7524EO7VZI2TMFDYOOO/bundle.json","state":"https://pith.science/pith/N4VYIUA7524EO7VZI2TMFDYOOO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N4VYIUA7524EO7VZI2TMFDYOOO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:N4VYIUA7524EO7VZI2TMFDYOOO","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":"e6027fd2f36d6e97bf081a96509c5b84abc99f81417da73b693e54ac657caddb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-11-30T09:08:26Z","title_canon_sha256":"c3610de2ef3df3dad9682ce98627ac1a395148c47fb364de470d3f17f1f7d9ec"},"schema_version":"1.0","source":{"id":"1611.10055","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.10055","created_at":"2026-05-18T00:56:11Z"},{"alias_kind":"arxiv_version","alias_value":"1611.10055v1","created_at":"2026-05-18T00:56:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.10055","created_at":"2026-05-18T00:56:11Z"},{"alias_kind":"pith_short_12","alias_value":"N4VYIUA7524E","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"N4VYIUA7524EO7VZ","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"N4VYIUA7","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:bd1adb5489320f50be98fbf72aa0043998e2615c90547d070382a3de34b2e2ec","target":"graph","created_at":"2026-05-18T00:56:11Z","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 present a Surface Evolver framework for simulating single bubbles and multicellular foams trapped between curved parallel surfaces. We are able to explore a range of geometries using level set constraints to model the bounding surfaces. Unlike previous work, in which the bounding surfaces are flat (the so called Hele-Shaw geometry), we consider surfaces with non- vanishing Gaussian curvature, specifically the sphere, the torus and the Schwarz Primitive-surface. In the case of multi-cellular foams - our method is to first distribute a set of N points evenly over the surface (using an en- erg","authors_text":"Adil Mughal, Gerd Schroeder-Turk, Tomas Libertiny","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-11-30T09:08:26Z","title":"How bees and foams respond to curved confinement: level set boundary representations in the Surface Evolver"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.10055","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":"sha256:030378f6c4bcfb955972e91426db050bd5097418827dab6f60b004443553b736","target":"record","created_at":"2026-05-18T00:56:11Z","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":"e6027fd2f36d6e97bf081a96509c5b84abc99f81417da73b693e54ac657caddb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-11-30T09:08:26Z","title_canon_sha256":"c3610de2ef3df3dad9682ce98627ac1a395148c47fb364de470d3f17f1f7d9ec"},"schema_version":"1.0","source":{"id":"1611.10055","kind":"arxiv","version":1}},"canonical_sha256":"6f2b84501feeb8477eb946a6c28f0e738132dbbe48f8906a3453b14af5c840f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6f2b84501feeb8477eb946a6c28f0e738132dbbe48f8906a3453b14af5c840f8","first_computed_at":"2026-05-18T00:56:11.306414Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:56:11.306414Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qFtaemMsjj2pqGg4WbZCy/HnLPOuMiU3VzcGR3/LsbRYLZCUvmJfQtkPqizj1juIImyrlFHwfrec3lIHSvmOCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:56:11.306791Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.10055","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:030378f6c4bcfb955972e91426db050bd5097418827dab6f60b004443553b736","sha256:bd1adb5489320f50be98fbf72aa0043998e2615c90547d070382a3de34b2e2ec"],"state_sha256":"5f136d6869d5d8ec37873411b7ac29620f86526edf4a604819eb03504162dc9d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3fpLbY884l23AsIwLI1+MN/MpTOXiYQYASeNjxDp9Vz8/JIZ/sfH1C2xZ225c5koydHKvwiPZkJeFAXUPiTACw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T12:41:27.895810Z","bundle_sha256":"b7877cc74e944450d2b513daf40bdbb9a14776c8bc0d284277aeecc3003a772e"}}