Pith Number

pith:AMGX642S

pith:2017:AMGX642SPVNV42TANYHFOWQZB6

not attested not anchored not stored refs pending

A Syntactic Approach to Domain-Specific Automatic Question Generation

Guy Danon, Mark Last

arxiv:1712.09827 v1 · 2017-12-28 · 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{AMGX642SPVNV42TANYHFOWQZB6}

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	2026-05-18T00:27:05.453171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

030d7f73527d5b5e6a606e0e575a190f99924851899b1527f2c8ca40c446dc43

Aliases

arxiv: 1712.09827 · arxiv_version: 1712.09827v1 · doi: 10.48550/arxiv.1712.09827 · pith_short_12: AMGX642SPVNV · pith_short_16: AMGX642SPVNV42TA · pith_short_8: AMGX642S

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/AMGX642SPVNV42TANYHFOWQZB6 \
  | 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: 030d7f73527d5b5e6a606e0e575a190f99924851899b1527f2c8ca40c446dc43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50479f39cbcc9ed1afd48f1c3089b6141a6d8228f2b2ff55349deaeca3dd685c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-12-28T11:15:30Z",
    "title_canon_sha256": "095872b3b2eefac84a43b8436ae49dfdc8a7411fb677414ff2da0e5fc7de0583"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09827",
    "kind": "arxiv",
    "version": 1
  }
}