{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:L5VDBC4OMNAXFNWDDFXKMLLAKB","short_pith_number":"pith:L5VDBC4O","canonical_record":{"source":{"id":"2201.07154","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2022-01-18T17:56:00Z","cross_cats_sorted":[],"title_canon_sha256":"df85c3c714f887b3ba4414c1af476a9a39f060149642d9ca148c37aa45bdda29","abstract_canon_sha256":"5bc3777fdf134760349fb522693af433ef0a680dc429d8655e4106a9c5b14f6f"},"schema_version":"1.0"},"canonical_sha256":"5f6a308b8e634172b6c3196ea62d60506977f82eb893d99af1dfddc77748f8a3","source":{"kind":"arxiv","id":"2201.07154","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.07154","created_at":"2026-07-05T05:35:12Z"},{"alias_kind":"arxiv_version","alias_value":"2201.07154v4","created_at":"2026-07-05T05:35:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.07154","created_at":"2026-07-05T05:35:12Z"},{"alias_kind":"pith_short_12","alias_value":"L5VDBC4OMNAX","created_at":"2026-07-05T05:35:12Z"},{"alias_kind":"pith_short_16","alias_value":"L5VDBC4OMNAXFNWD","created_at":"2026-07-05T05:35:12Z"},{"alias_kind":"pith_short_8","alias_value":"L5VDBC4O","created_at":"2026-07-05T05:35:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:L5VDBC4OMNAXFNWDDFXKMLLAKB","target":"record","payload":{"canonical_record":{"source":{"id":"2201.07154","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2022-01-18T17:56:00Z","cross_cats_sorted":[],"title_canon_sha256":"df85c3c714f887b3ba4414c1af476a9a39f060149642d9ca148c37aa45bdda29","abstract_canon_sha256":"5bc3777fdf134760349fb522693af433ef0a680dc429d8655e4106a9c5b14f6f"},"schema_version":"1.0"},"canonical_sha256":"5f6a308b8e634172b6c3196ea62d60506977f82eb893d99af1dfddc77748f8a3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:35:12.554089Z","signature_b64":"vUmHhPudk/aHoC8eS47RyM1/KvldkYtxfFDzGBD9CeIerlZGigiMXewwWEhLMzLdgVAiSRZKt+M5EGp8GsjIDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5f6a308b8e634172b6c3196ea62d60506977f82eb893d99af1dfddc77748f8a3","last_reissued_at":"2026-07-05T05:35:12.553625Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:35:12.553625Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2201.07154","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:35:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S4SI950ATB3Ogeid9Qdzjnpx6B0k9Nx4HjhwxZ/WrW8rYJ9s77SAvCC+ugyqwrtphZb12cf651V3jiW2Gbb7DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T19:20:55.374274Z"},"content_sha256":"1a64fcafbfd7ab3aa16f08063eac3cb1f0bf977a1e483ca8ba11ab3cf64e27b0","schema_version":"1.0","event_id":"sha256:1a64fcafbfd7ab3aa16f08063eac3cb1f0bf977a1e483ca8ba11ab3cf64e27b0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:L5VDBC4OMNAXFNWDDFXKMLLAKB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fluctuations of cell geometry and their non-equilibrium thermodynamics in living epithelial tissue","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Helen Weavers, Isaac Chenchiah, Jake Turley, Mark Olenik, Paul Martin, Stephen Cross, Tanniemola Liverpool","submitted_at":"2022-01-18T17:56:00Z","abstract_excerpt":"We measure different contributions to entropy production in a living functional epithelial tissue. We do this by extracting the functional dynamics of development while at the same time quantifying fluctuations. Using the translucent Drosophila melanogaster pupal epithelium as an ideal tissue for high resolution live imaging [1], we measure the entropy associated with the stochastic geometry of cells in the epithelium. This is done using a detailed analysis of the dynamics of the shape and orientation of individual cells which enables separation of local and global aspects of the tissue behavi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.07154","kind":"arxiv","version":4},"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/2201.07154/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":"2026-07-05T05:35:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5WykSrbL6sTLVzqlNPxyUZwh4P/jf0AAhyphIelHZifUml4nAPuiHDLVnkwFkvE+eQDBJBFFZWyhSs32XUlRCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T19:20:55.374663Z"},"content_sha256":"12368de27e8b70a82d502456d92e8f4481b247b580e414b45e3c038235ea829f","schema_version":"1.0","event_id":"sha256:12368de27e8b70a82d502456d92e8f4481b247b580e414b45e3c038235ea829f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L5VDBC4OMNAXFNWDDFXKMLLAKB/bundle.json","state_url":"https://pith.science/pith/L5VDBC4OMNAXFNWDDFXKMLLAKB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L5VDBC4OMNAXFNWDDFXKMLLAKB/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":"2026-07-06T19:20:55Z","links":{"resolver":"https://pith.science/pith/L5VDBC4OMNAXFNWDDFXKMLLAKB","bundle":"https://pith.science/pith/L5VDBC4OMNAXFNWDDFXKMLLAKB/bundle.json","state":"https://pith.science/pith/L5VDBC4OMNAXFNWDDFXKMLLAKB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L5VDBC4OMNAXFNWDDFXKMLLAKB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:L5VDBC4OMNAXFNWDDFXKMLLAKB","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":"5bc3777fdf134760349fb522693af433ef0a680dc429d8655e4106a9c5b14f6f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2022-01-18T17:56:00Z","title_canon_sha256":"df85c3c714f887b3ba4414c1af476a9a39f060149642d9ca148c37aa45bdda29"},"schema_version":"1.0","source":{"id":"2201.07154","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2201.07154","created_at":"2026-07-05T05:35:12Z"},{"alias_kind":"arxiv_version","alias_value":"2201.07154v4","created_at":"2026-07-05T05:35:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.07154","created_at":"2026-07-05T05:35:12Z"},{"alias_kind":"pith_short_12","alias_value":"L5VDBC4OMNAX","created_at":"2026-07-05T05:35:12Z"},{"alias_kind":"pith_short_16","alias_value":"L5VDBC4OMNAXFNWD","created_at":"2026-07-05T05:35:12Z"},{"alias_kind":"pith_short_8","alias_value":"L5VDBC4O","created_at":"2026-07-05T05:35:12Z"}],"graph_snapshots":[{"event_id":"sha256:12368de27e8b70a82d502456d92e8f4481b247b580e414b45e3c038235ea829f","target":"graph","created_at":"2026-07-05T05:35:12Z","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/2201.07154/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We measure different contributions to entropy production in a living functional epithelial tissue. We do this by extracting the functional dynamics of development while at the same time quantifying fluctuations. Using the translucent Drosophila melanogaster pupal epithelium as an ideal tissue for high resolution live imaging [1], we measure the entropy associated with the stochastic geometry of cells in the epithelium. This is done using a detailed analysis of the dynamics of the shape and orientation of individual cells which enables separation of local and global aspects of the tissue behavi","authors_text":"Helen Weavers, Isaac Chenchiah, Jake Turley, Mark Olenik, Paul Martin, Stephen Cross, Tanniemola Liverpool","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2022-01-18T17:56:00Z","title":"Fluctuations of cell geometry and their non-equilibrium thermodynamics in living epithelial tissue"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.07154","kind":"arxiv","version":4},"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":"sha256:1a64fcafbfd7ab3aa16f08063eac3cb1f0bf977a1e483ca8ba11ab3cf64e27b0","target":"record","created_at":"2026-07-05T05:35:12Z","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":"5bc3777fdf134760349fb522693af433ef0a680dc429d8655e4106a9c5b14f6f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2022-01-18T17:56:00Z","title_canon_sha256":"df85c3c714f887b3ba4414c1af476a9a39f060149642d9ca148c37aa45bdda29"},"schema_version":"1.0","source":{"id":"2201.07154","kind":"arxiv","version":4}},"canonical_sha256":"5f6a308b8e634172b6c3196ea62d60506977f82eb893d99af1dfddc77748f8a3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5f6a308b8e634172b6c3196ea62d60506977f82eb893d99af1dfddc77748f8a3","first_computed_at":"2026-07-05T05:35:12.553625Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:35:12.553625Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vUmHhPudk/aHoC8eS47RyM1/KvldkYtxfFDzGBD9CeIerlZGigiMXewwWEhLMzLdgVAiSRZKt+M5EGp8GsjIDw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:35:12.554089Z","signed_message":"canonical_sha256_bytes"},"source_id":"2201.07154","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1a64fcafbfd7ab3aa16f08063eac3cb1f0bf977a1e483ca8ba11ab3cf64e27b0","sha256:12368de27e8b70a82d502456d92e8f4481b247b580e414b45e3c038235ea829f"],"state_sha256":"977aeec08f43a5ae218de55f68b9ecc4030e0bba11fee7352a27bbaf1beab130"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gFoo2jHO2JQ7D2CuBF/qlOg0shN7YbRsIotieTxkgZ8jdlSSYcXGTEJkr+rROCGiFPdMgK+WzvTv1sIck2XvDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T19:20:55.376708Z","bundle_sha256":"ba98063444fd098806a48c0db0f6c019a11b93b67d8552b85480472d708c2f45"}}