https://w3id.org/np/RAUvRiYHm3FkF0LDTs3NezzNtU8PHJ5rRYKkxRsxhVxRc
.trig | .trig.txt | .jelly | .jelly.txt | .jsonld | .jsonld.txt | .nq | .nq.txt | .xml | .xml.txt
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@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/bragg1915-06--claim-test> a <https://w3id.org/delphi/ontology/Assessment>;
dc:description "d(104) from the hexagonal cell of each COD entry with formula C Ca O3 in R-3c (gamma 120), median compared with the claimed 3.07 angstrom.";
<http://www.w3.org/2000/01/rdf-schema#comment> "Measured: 3.04721 d(104) of calcite, median over ambient R-3c COD cells (angstrom) (n = 43). Interpretation: Bragg's wavelength for the palladium line was 1.7 per cent low (0.576 against 0.5859 angstrom), so a spacing computed from it is expected to be about 1-2 per cent high; the two per cent threshold is set to the claimed number, not corrected for the wavelength. The correction is reported alongside.";
<http://www.w3.org/2000/01/rdf-schema#label> "Claim test of bragg1915-06: supports, confidence 0.85";
<http://www.w3.org/2000/01/rdf-schema#seeAlso> <https://github.com/fractastical/delphisci/blob/bf2af6ee0a84e23ffa6414ad7a0a50a8c276506e/test-data/claim-tests/crystals-and-form/bragg1915-06/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 0.05: refutes. Between 0.02 and 0.05: mixed. Fewer than 3 qualifying entries: inconclusive.";
<https://w3id.org/delphi/ontology/evidenceAgainst> "Bragg's palladium wavelength was 1.7 per cent low, so his spacing is expected to be about that much high; the threshold was set on the claimed number without correction.",
"Deviation: COD writes the space group with a setting suffix ('R -3 c :H'); the suffix is stripped before matching the pre-registered symbol, and the hexagonal setting is enforced by gamma = 120 as pre-registered.";
<https://w3id.org/delphi/ontology/expectedObservation> "Median d(104) computed from the hexagonal cells (1/d^2 = 4/3 (h^2+hk+k^2)/a^2 + l^2/c^2) over COD entries with formula C Ca O3, space group R -3 c (hexagonal axes, gamma = 120), ambient conditions: |3.07 - d| / d < 0.02: supports.";
<https://w3id.org/delphi/ontology/failCriterion> "Relative difference above 0.05: refutes. Between 0.02 and 0.05: mixed. Fewer than 3 qualifying entries: inconclusive.";
<https://w3id.org/delphi/ontology/hasConfidence> "0.85"^^xsd:double;
<https://w3id.org/delphi/ontology/hasEvidence> <https://w3id.org/delphi/resource/evidence/bragg1915-06--claim-test--dataset-1>;
<https://w3id.org/delphi/ontology/hasVerdict> "supports";
<https://w3id.org/delphi/ontology/hypothesis> "If the calcite cleavage-rhombohedron spacing is 3.07 x 10^-8 cm, the modern d(104) (hexagonal setting of R-3c calcite) is within two per cent of 3.07 angstrom.";
<https://w3id.org/delphi/ontology/inferenceMethod> "d(104) from the hexagonal cell of each COD entry with formula C Ca O3 in R-3c (gamma 120), median compared with the claimed 3.07 angstrom.";
<https://w3id.org/delphi/ontology/passCriterion> "Median d(104) computed from the hexagonal cells (1/d^2 = 4/3 (h^2+hk+k^2)/a^2 + l^2/c^2) over COD entries with formula C Ca O3, space group R -3 c (hexagonal axes, gamma = 120), ambient conditions: |3.07 - d| / d < 0.02: supports.";
<https://w3id.org/delphi/ontology/preregistered> "true"^^xsd:boolean .
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<https://w3id.org/delphi/resource/evidence/bragg1915-06--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=C%20Ca%20O3&format=json>;
prov:wasDerivedFrom <https://www.crystallography.net/cod/>;
<https://w3id.org/delphi/ontology/hasChecksum> "sha256:5d6d717fc520ff36fbec86564f9eb53563f67c40b2c92a12818dcfac1edb54ba" .
}
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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)";
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dc:identifier "claude-fable-5.1" .
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prov:wasDerivedFrom <https://github.com/fractastical/delphisci/blob/bf2af6ee0a84e23ffa6414ad7a0a50a8c276506e/test-data/claim-tests/crystals-and-form/bragg1915-06/result.json>;
prov:wasGeneratedBy sub:test .
sub:plan prov:hadPlan <https://github.com/fractastical/delphisci/blob/bf2af6ee0a84e23ffa6414ad7a0a50a8c276506e/test-data/claim-tests/README.md> .
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prov:qualifiedAssociation sub:plan;
prov:wasAssociatedWith <https://w3id.org/delphi/resource/agent/delphisci-claim-tester-claude-fable-5-1> .
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sub:pubinfo {
this: dc:created "2026-11-08T16:24:31.804Z"^^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/bragg1915-06--claim-test>;
<http://www.w3.org/2000/01/rdf-schema#label> "Claim test of bragg1915-06: supports, confidence 0.85";
<https://w3id.org/delphi/ontology/domain> <https://w3id.org/delphi/resource/domain/crystals-and-form> .
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