@prefix this: . @prefix sub: . @prefix np: . @prefix rdf: . @prefix prov: . @prefix npx: . @prefix dc: . @prefix xsd: . sub:Head { this: a np:Nanopublication; np:hasAssertion sub:assertion; np:hasProvenance sub:provenance; np:hasPublicationInfo sub:pubinfo . } sub:assertion { a ; dc:description "Cells in each image were segmented with Cellpose CPSAM v2 on the Nebius Scientific AI Platform (claim-sources/cell-geometry/segment.py; operation IDs and model checksum in claim-sources/cell-geometry/results//cellpose.json). claim-sources/cell-geometry/analyze.py closes inter-cell gaps, finds points where three or more cells meet, estimates each wall's direction from wall pixels 0.08-0.25 median cell diameters from the junction, counts neighbours of cells fully surrounded by segmented cells, and runs the same measurement on three synthetic tilings (hexagonal lattice, brick wall, random Voronoi) as calibration."; "Measured: -0.9 Spearman rho, tissue area CV vs fraction of six-sided interior cells (n = 5, p = 0.0374). Interpretation: Tests the size-uniformity part only; 'forces uniform' is not measured. This is a second, multi-tissue attempt; the pre-registered within-RPE test of the same claim is test-data/claim-tests/thompson-growth-form/thompson1917-ch07-08/result.json."; "Claim test of thompson1917-ch07-08 (cellpose-multi-tissue): supports, confidence 0.5"; ; prov:wasAttributedTo ; ""; "claim-test/0.1.0"; "biological"; "Refutes if the across-tissue rho is >= 0."; "Exploratory, not pre-registered: the images were segmented and inspected before the pass criterion was written. Treat the verdict as hypothesis-generating; a pre-registered replication on new images is needed before it counts as a test.", "Only 5 tissues; the across-tissue correlation rests on five points.", "The random-Voronoi control shows the same within-image relation, so the result is a property of space-filling partitions in general and says nothing about forces."; "Exploratory, not pre-registered: the images were segmented and inspected before the pass criterion was written. Treat the verdict as hypothesis-generating; a pre-registered replication on new images is needed before it counts as a test. Supports if Spearman rho between tissue area CV and fraction of six-sided interior cells is <= -0.7 across usable tissues; mixed if between -0.7 and 0; refutes if >= 0."; "Refutes if the across-tissue rho is >= 0."; "0.5"^^xsd:double; , , , , ; "supports"; "If hexagons are regular only where cells are equal in size, tissues with more uniform cell areas have a larger fraction of six-sided cells, and within a tissue cells in more size-heterogeneous neighbourhoods depart more from six sides."; "Cells in each image were segmented with Cellpose CPSAM v2 on the Nebius Scientific AI Platform (claim-sources/cell-geometry/segment.py; operation IDs and model checksum in claim-sources/cell-geometry/results//cellpose.json). claim-sources/cell-geometry/analyze.py closes inter-cell gaps, finds points where three or more cells meet, estimates each wall's direction from wall pixels 0.08-0.25 median cell diameters from the junction, counts neighbours of cells fully surrounded by segmented cells, and runs the same measurement on three synthetic tilings (hexagonal lattice, brick wall, random Voronoi) as calibration."; "Exploratory, not pre-registered: the images were segmented and inspected before the pass criterion was written. Treat the verdict as hypothesis-generating; a pre-registered replication on new images is needed before it counts as a test. Supports if Spearman rho between tissue area CV and fraction of six-sided interior cells is <= -0.7 across usable tissues; mixed if between -0.7 and 0; refutes if >= 0."; "false"^^xsd:boolean . . a ; dc:description "Homo sapiens, corneal endothelium (alizarin red, in situ)"; dc:license "CC BY-SA 4.0"; "Dataset: Morphology of human corneal endothelium in situ.jpg (Wikimedia Commons)"; prov:atLocation ; prov:wasDerivedFrom ; "sha256:9daed5fb546e11bfdc60df0c8d9665515a93498b5f222befc8ad4bd9dfa6fb5a" . a ; dc:description "Drosophila melanogaster, compound eye ommatidia (SEM)"; dc:license "CC BY-SA 3.0"; "Dataset: Drosophila eye 1000x - SEM MUSE.tif (Wikimedia Commons)"; prov:atLocation ; prov:wasDerivedFrom ; "sha256:4ad45a139a769c933cc517fd2b358ce5897832c4c8ee3de9dec8f6a4351c542c" . a ; dc:description "Physcomitrium patens, moss leaflet cells"; dc:license "CC0"; "Dataset: Physcomitrella patens (a, 144649-481016) 6961.JPG (Wikimedia Commons)"; prov:atLocation ; prov:wasDerivedFrom ; "sha256:c37789a261f2cd756d805bd9f1b69b18895c55556511d27f8832c1d753eaf5cd" . a ; dc:description "Festuca arundinacea, grass leaf epidermis (SEM)"; dc:license "CC BY-SA 4.0"; "Dataset: Epidermis of Festuca arundinacea.jpg (Wikimedia Commons)"; prov:atLocation ; prov:wasDerivedFrom ; "sha256:4db3ac777f705ce93cdfe2798c6ab05d9998829741fff430e60b946acc67d17e" . a ; dc:description "Aloe vera, lower leaf epidermis"; dc:license "CC BY-SA 4.0"; "Dataset: Aloe vera Cells, 150X.jpg (Wikimedia Commons)"; prov:atLocation ; prov:wasDerivedFrom ; "sha256:431fcd7480aa2c80e5014e2705fd8036ef24a4b0ff9d8decb39e9b0e432789ba" . } sub:provenance { a prov:SoftwareAgent; "delphisci claim tester (claude-opus-5.5; cursor local session, claim-sources/cell-geometry/)"; prov:actedOnBehalfOf ; . a ; dc:identifier "claude-opus-5.5" . sub:assertion prov:wasAttributedTo ; prov:wasDerivedFrom ; prov:wasGeneratedBy sub:test . sub:plan prov:hadPlan . sub:test a prov:Activity; prov:qualifiedAssociation sub:plan; prov:wasAssociatedWith . } sub:pubinfo { this: dc:created "2026-11-08T16:24:31.900Z"^^xsd:dateTime; dc:creator ; dc:license ; npx:hasNanopubType ; npx:introduces ; "Claim test of thompson1917-ch07-08 (cellpose-multi-tissue): supports, confidence 0.5"; . sub:sig npx:hasAlgorithm "RSA"; npx:hasPublicKey "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyFHtPB6p0mCjDozxlOY9CmO3nBm7Te3jFbXyLmM+G1tGe47Da0jYIbhkl9Oo1ZjxmCa3LCwlEqK8gj6hEIcL4ahW30JXh9HycfKVk1bugkzMEV15tJdTzAU3sGMFnbNsn43xY2LFLy45tApkRm5byEiM7oRRrooIdwoQKnP4Wzq/bfAoJ9qvW+MGkelyOTd1jbSt+KfmT7xKmDfWzAHddUlWwMX2QJOLxDaffOteTop6ZRgPiNmPJKA/S62Gac9XtSYT3oDkZ6/nr5cxxNLpOyxTf5FPISiCe11xYO/unYjY+mwnOfA8yhJIyx1l0O9I0vpOpn+E5TvyHJV+oSTrvwIDAQAB"; npx:hasSignature "cHq6bEkxfeIcQrtxnbsE81wSBEehHYIk6DoPFdpPX0HC2nIC7FKuCbdUhpFL5MtRwxdeWQw5QYDCO+x6QZOhAUzrryFQRSyz/Da+6jQnYMjE6dT+oJ9jxNF80kFfpvjDcRiFGGyb2WQErVUIdLADJkV/KnC86vyTRESuFA5Xz5X0EtKISqSXRp1NqvP/QDI4T/Jn+JaiBvzI9Uv0qRiylm80eKkejdv36dYIAITjR6SqLxzVIECMjnrbLyESpONhZNZh3OOysAdByDSOlQJhD3O/uJl45Ky2j1VS6TSNJ1eCmrlUiy4KSjziDyMWDnoiHo/sDTqX6ijCAw7HcMsSiw=="; npx:hasSignatureTarget this:; npx:signedBy . }