Pith Number

pith:PDM2W3FU

pith:2022:PDM2W3FUEDBKTQ4TU56A4MNGEM

not attested not anchored not stored refs pending

Mining Mathematical Documents for Question Answering via Unsupervised Formula Labeling

Bela Gipp, Moritz Schubotz, Philipp Scharpf

arxiv:2211.06664 v1 · 2022-11-12 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDM2W3FUEDBKTQ4TU56A4MNGEM}

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	2026-07-05T05:15:27.793406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78d9ab6cb420c2a9c393a77c0e31a62311f5dbed0a945dddad49506bd9ec32a2

Aliases

arxiv: 2211.06664 · arxiv_version: 2211.06664v1 · doi: 10.48550/arxiv.2211.06664 · pith_short_12: PDM2W3FUEDBK · pith_short_16: PDM2W3FUEDBKTQ4T · pith_short_8: PDM2W3FU

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/PDM2W3FUEDBKTQ4TU56A4MNGEM \
  | 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: 78d9ab6cb420c2a9c393a77c0e31a62311f5dbed0a945dddad49506bd9ec32a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e9065285c91cf8581bdecd4226961732cb04213f0f4556a9c46a770646c60f9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-11-12T13:50:20Z",
    "title_canon_sha256": "41c7a914cf8de6f58eee7abe30e08a1ce9751a4e8b46f2683a785dd01fb26ba2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.06664",
    "kind": "arxiv",
    "version": 1
  }
}