# Source, originality and rights ledger

| Item | Source and permitted use | Verification boundary |
|---|---|---|
| [QCAA Mathematical Methods 2025 v1.3](https://www.qcaa.qld.edu.au/downloads/senior-qce/syllabuses/snr_maths_methods_25_syll.pdf) | © State of Queensland (QCAA) 2026. The PDF states CC BY 4.0 subject to exceptions; see [QCAA copyright terms](https://www.qcaa.qld.edu.au/copyright). We link the source and paraphrase short topic rows with page positions; its pages, figures and assessment instruments are not copied. | Official landing page and linked current PDF read 29 September 2026. The search engine also surfaced old v1.2 cached text; v1.3 is the pin. No source PDF byte hash claimed. |
| Cards A–J, twenty optional swaps, Checks A/B, key and teacher scripts | Original expressions, fictional contexts and explanatory wording created for this pack. Release under [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/) with attribution “SubjectNest / NeuroForge, 2026”. | Exact arithmetic and graph features checked locally; the invented examples are not measured real-world facts. Original generation here is not a legal clearance opinion. |
| Five A4 SVG/PDF mats and full text/tactile alternatives | Original diagrams, wording and layouts. Same CC BY 4.0 permission, with [font licence](print/DEJAVU-FONT-LICENSE.txt) applying to embedded DejaVu font. | PDF text, A4 geometry, SVG metadata and visual rendering checked locally; no assistive-technology user study. |
| [Offline surd explorer](surd-explorer.html) and local generators/verifier | Original code under [Apache 2.0](CODE-LICENSE.txt). No external script, account, data storage or network request. | Browser interaction tested locally and paper equivalent provided. The explorer handles specified positive integer radicands, not symbolic algebra. |

No translations, First Nations language or cultural examples, real measurements, safety/engineering guidance, classroom outcomes or full Unit 1 coverage are asserted. A school should use actual data and subject expertise for an applied modelling task.