Pith Number

pith:MF33NPWS

pith:2024:MF33NPWS7A7EGXVOVKVHPA7A6H

not attested not anchored not stored refs pending

An Automatic Question Usability Evaluation Toolkit

Eamon Costello, Huy A. Nguyen, John Stamper, Steven Moore

arxiv:2405.20529 v1 · 2024-05-30 · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MF33NPWS7A7EGXVOVKVHPA7A6H}

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	2026-07-05T08:25:38.648429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6177b6bed2f83e435eaeaaaa7783e0f1eedc872c1f459766ee9e28c14041d26e

Aliases

arxiv: 2405.20529 · arxiv_version: 2405.20529v1 · doi: 10.48550/arxiv.2405.20529 · pith_short_12: MF33NPWS7A7E · pith_short_16: MF33NPWS7A7EGXVO · pith_short_8: MF33NPWS

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/MF33NPWS7A7EGXVOVKVHPA7A6H \
  | 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: 6177b6bed2f83e435eaeaaaa7783e0f1eedc872c1f459766ee9e28c14041d26e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbf8bf9a17fb3584746e707df8bfec60bbe1bf4c2e018a760aeb2bfbbd743e74",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2024-05-30T23:04:53Z",
    "title_canon_sha256": "c3af9b2692a60c71d3e597f10744132416c7f54282b7210a33f8c4e81d33e730"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.20529",
    "kind": "arxiv",
    "version": 1
  }
}