Pith Number

pith:B35IWALP

pith:2026:B35IWALPRPP4I2H2GTERIMUXI3

not attested not anchored not stored refs pending

AI-based scoring systematically underestimates conceptual understanding of linguistically weak students' explanations in physics

Markus S. Feser, Paul L. Tschisgale

arxiv:2607.28210 v1 · 2026-07-30 · physics.ed-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B35IWALPRPP4I2H2GTERIMUXI3}

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	2026-07-31T01:36:30.193130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

0efa8b016f8bdfc468fa34c914329746f53c25ab398df37ac44e6081ad433ce3

Aliases

arxiv: 2607.28210 · arxiv_version: 2607.28210v1 · doi: 10.48550/arxiv.2607.28210 · pith_short_12: B35IWALPRPP4 · pith_short_16: B35IWALPRPP4I2H2 · pith_short_8: B35IWALP

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/B35IWALPRPP4I2H2GTERIMUXI3 \
  | 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: 0efa8b016f8bdfc468fa34c914329746f53c25ab398df37ac44e6081ad433ce3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ac13cff833cd80d3b1c9faf9379a75b12a43880fefd5747c9d3bdf93f0aea13",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2026-07-30T13:48:58Z",
    "title_canon_sha256": "414023132546436000d3dce5b88e9ee1401485f1ed7ab3c003d74be604d4055c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28210",
    "kind": "arxiv",
    "version": 1
  }
}