Pith Number

pith:F2PEGRU3

pith:2018:F2PEGRU3FZMJYDY5VJFRLEUURW

not attested not anchored not stored refs pending

Development and Evaluation of a Personalized Computer-aided Question Generation for English Learners to Improve Proficiency and Correct Mistakes

Meng Chang Chen, Yeali S. Sun, Yi-Ting Huang

arxiv:1808.09732 v1 · 2018-08-29 · cs.CL · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F2PEGRU3FZMJYDY5VJFRLEUURW}

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	2026-05-18T00:06:54.611724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e9e43469b2e589c0f1daa4b1592948d968ac7858e80510181798deb8832180c

Aliases

arxiv: 1808.09732 · arxiv_version: 1808.09732v1 · doi: 10.48550/arxiv.1808.09732 · pith_short_12: F2PEGRU3FZMJ · pith_short_16: F2PEGRU3FZMJYDY5 · pith_short_8: F2PEGRU3

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/F2PEGRU3FZMJYDY5VJFRLEUURW \
  | 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: 2e9e43469b2e589c0f1daa4b1592948d968ac7858e80510181798deb8832180c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abace24237792ae68fa082d181c9346102b21985c3b90b9572d395ef97f1561b",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-08-29T11:26:07Z",
    "title_canon_sha256": "6235e6eaeba833c68527446ef2f26831f6ecbdefc38e11d38d50ebce71c94e3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09732",
    "kind": "arxiv",
    "version": 1
  }
}