Pith Number

pith:N5PXJUUT

pith:2025:N5PXJUUTW73VS3FBLWSHL6CB2D

not attested not anchored not stored refs pending

Extracting Research Instruments from Educational Literature Using LLMs

Curran Mahowald, Jiseung Yoo, Meiyu Li, Wei Ai

arxiv:2505.21855 v1 · 2025-05-28 · cs.IR · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N5PXJUUTW73VS3FBLWSHL6CB2D}

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	2026-07-05T11:11:04.873298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f5f74d293b7f7596ca15da475f841d0f4ce8d2c0538ea01f92c1749b20eef15

Aliases

arxiv: 2505.21855 · arxiv_version: 2505.21855v1 · doi: 10.48550/arxiv.2505.21855 · pith_short_12: N5PXJUUTW73V · pith_short_16: N5PXJUUTW73VS3FB · pith_short_8: N5PXJUUT

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/N5PXJUUTW73VS3FBLWSHL6CB2D \
  | 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: 6f5f74d293b7f7596ca15da475f841d0f4ce8d2c0538ea01f92c1749b20eef15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c93b3e8d8a54db30e154a3f2aaa6a3ecf3af81c741e3682ca1f9bc963d9dedf8",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-05-28T01:00:32Z",
    "title_canon_sha256": "a4a25db2af2a9737b199c2345c453e2ef4bfe06eaf1c0eca35a30b1d8b60df22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21855",
    "kind": "arxiv",
    "version": 1
  }
}