Pith Number

pith:D7N5PIRX

pith:2026:D7N5PIRXWBYGS6B4ASNLHIPPLU

not attested not anchored not stored refs pending

Archetypes or ability? Clustering for modelling student mathematical competence

Benjamin Mawdsley, Paul Edwards, Richard Turner, Sarah Jackson, Tom Quilter

arxiv:2607.26063 v1 · 2026-06-17 · cs.CY · cs.AI · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D7N5PIRXWBYGS6B4ASNLHIPPLU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-30T00:08:16.903532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

1fdbd7a237b07069783c049ab3a1ef5d24533073a17aa8e657d734bb453c6ffb

Aliases

arxiv: 2607.26063 · arxiv_version: 2607.26063v1 · doi: 10.48550/arxiv.2607.26063 · pith_short_12: D7N5PIRXWBYG · pith_short_16: D7N5PIRXWBYGS6B4 · pith_short_8: D7N5PIRX

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/D7N5PIRXWBYGS6B4ASNLHIPPLU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 1fdbd7a237b07069783c049ab3a1ef5d24533073a17aa8e657d734bb453c6ffb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ce5446bcab48cb3e48f7293d4e51ee2655250fbfa4d93022190de435edb3e06",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2026-06-17T11:42:29Z",
    "title_canon_sha256": "eb77bfe290a6c28486a03298295ebcd07f7bf8c109bf67f3bf5672394adb5df9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26063",
    "kind": "arxiv",
    "version": 1
  }
}