https://w3id.org/np/RArhMJz7kP66x5hocprAfVPKly689N84GCN7TMYQPMmmU
.trig | .trig.txt | .jelly | .jelly.txt | .jsonld | .jsonld.txt | .nq | .nq.txt | .xml | .xml.txt
@prefix this: <https://w3id.org/np/RArhMJz7kP66x5hocprAfVPKly689N84GCN7TMYQPMmmU> .
@prefix sub: <https://w3id.org/np/RArhMJz7kP66x5hocprAfVPKly689N84GCN7TMYQPMmmU/> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix npx: <http://purl.org/nanopub/x/> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
sub:Head {
this: a np:Nanopublication;
np:hasAssertion sub:assertion;
np:hasProvenance sub:provenance;
np:hasPublicationInfo sub:pubinfo .
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sub:assertion {
<https://w3id.org/delphi/resource/assessment/bragg1915-01--claim-test> a <https://w3id.org/delphi/ontology/Assessment>;
dc:description "Median cell edge a over COD entries with formula Cl Na in Fm-3m passing the ambient filter; d(200) = a/2 compared with the claimed 2.81 angstrom.";
<http://www.w3.org/2000/01/rdf-schema#comment> "Measured: 2.83175 d(200) of NaCl, median over ambient Fm-3m COD cells (angstrom) (n = 35). Interpretation: Bragg's 2.81 came from the density, the molecular weight and an estimate of the hydrogen atom's mass; the modern cell comes from diffraction against a known wavelength. The test is of the number, not the method.";
<http://www.w3.org/2000/01/rdf-schema#label> "Claim test of bragg1915-01: supports, confidence 0.9";
<http://www.w3.org/2000/01/rdf-schema#seeAlso> <https://github.com/fractastical/delphisci/blob/bf2af6ee0a84e23ffa6414ad7a0a50a8c276506e/test-data/claim-tests/crystals-and-form/bragg1915-01/result.json>;
prov:wasAttributedTo <https://w3id.org/delphi/resource/agent/delphisci-claim-tester-claude-fable-5-1>;
<https://w3id.org/delphi/ontology/admissibleDatasets> "Planned datasets: cod-search-api";
<https://w3id.org/delphi/ontology/assessmentType> "claim-test/0.1.0";
<https://w3id.org/delphi/ontology/dataKind> "physical";
<https://w3id.org/delphi/ontology/disconfirmingObservation> "Relative difference above 0.03: refutes. Between 0.01 and 0.03: mixed. Fewer than 3 qualifying entries: inconclusive.";
<https://w3id.org/delphi/ontology/evidenceAgainst> "A thermal-expansion series with empty celltemp fields inflates the median a to 5.66 angstrom (room temperature 5.640); the verdict does not depend on it.";
<https://w3id.org/delphi/ontology/expectedObservation> "Median a over COD entries with formula Cl Na, space group F m -3 m, ambient conditions as above, Z = 4: |2.81 - a/2| / (a/2) < 0.01: supports.";
<https://w3id.org/delphi/ontology/failCriterion> "Relative difference above 0.03: refutes. Between 0.01 and 0.03: mixed. Fewer than 3 qualifying entries: inconclusive.";
<https://w3id.org/delphi/ontology/hasConfidence> "0.9"^^xsd:double;
<https://w3id.org/delphi/ontology/hasEvidence> <https://w3id.org/delphi/resource/evidence/bragg1915-01--claim-test--dataset-1>;
<https://w3id.org/delphi/ontology/hasVerdict> "supports";
<https://w3id.org/delphi/ontology/hypothesis> "If the spacing of the cube-face planes of rock salt is 2.81 x 10^-8 cm, modern refinements of NaCl at ambient conditions give d(200) = a/2 within one per cent of 2.81 angstrom.";
<https://w3id.org/delphi/ontology/inferenceMethod> "Median cell edge a over COD entries with formula Cl Na in Fm-3m passing the ambient filter; d(200) = a/2 compared with the claimed 2.81 angstrom.";
<https://w3id.org/delphi/ontology/passCriterion> "Median a over COD entries with formula Cl Na, space group F m -3 m, ambient conditions as above, Z = 4: |2.81 - a/2| / (a/2) < 0.01: supports.";
<https://w3id.org/delphi/ontology/preregistered> "true"^^xsd:boolean .
<https://w3id.org/delphi/resource/claim/bragg1915-01> <https://w3id.org/delphi/ontology/hasAssessment>
<https://w3id.org/delphi/resource/assessment/bragg1915-01--claim-test> .
<https://w3id.org/delphi/resource/evidence/bragg1915-01--claim-test--dataset-1> a
<https://w3id.org/delphi/ontology/EvidenceItem>;
dc:description "";
dc:license "CC0 (COD data are public domain)";
<http://www.w3.org/2000/01/rdf-schema#label> "Dataset: Crystallography Open Database (COD) search API and CIF files";
prov:atLocation <https://www.crystallography.net/cod/result?formula=Cl%20Na&format=json>;
prov:wasDerivedFrom <https://www.crystallography.net/cod/>;
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}
sub:provenance {
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prov:SoftwareAgent;
<http://www.w3.org/2000/01/rdf-schema#label> "delphisci claim tester (claude-fable-5.1; crystals-and-form-tests-1)";
prov:actedOnBehalfOf <https://orcid.org/0009-0007-4948-9192>;
<https://w3id.org/delphi/ontology/usesModel> <https://w3id.org/delphi/resource/model/claude-fable-5-1> .
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dc:identifier "claude-fable-5.1" .
sub:assertion prov:wasAttributedTo <https://w3id.org/delphi/resource/agent/delphisci-claim-tester-claude-fable-5-1>;
prov:wasDerivedFrom <https://github.com/fractastical/delphisci/blob/bf2af6ee0a84e23ffa6414ad7a0a50a8c276506e/test-data/claim-tests/crystals-and-form/bragg1915-01/result.json>;
prov:wasGeneratedBy sub:test .
sub:plan prov:hadPlan <https://github.com/fractastical/delphisci/blob/bf2af6ee0a84e23ffa6414ad7a0a50a8c276506e/test-data/claim-tests/README.md> .
sub:test a prov:Activity;
prov:qualifiedAssociation sub:plan;
prov:wasAssociatedWith <https://w3id.org/delphi/resource/agent/delphisci-claim-tester-claude-fable-5-1> .
}
sub:pubinfo {
this: dc:created "2026-11-08T16:24:31.803Z"^^xsd:dateTime;
dc:creator <https://orcid.org/0009-0007-4948-9192>;
dc:license <https://creativecommons.org/licenses/by/4.0/>;
npx:hasNanopubType <https://w3id.org/delphi/ontology/Assessment>;
npx:introduces <https://w3id.org/delphi/resource/assessment/bragg1915-01--claim-test>;
<http://www.w3.org/2000/01/rdf-schema#label> "Claim test of bragg1915-01: supports, confidence 0.9";
<https://w3id.org/delphi/ontology/domain> <https://w3id.org/delphi/resource/domain/crystals-and-form> .
sub:sig npx:hasAlgorithm "RSA";
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npx:hasSignatureTarget this:;
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