Pith Number

pith:33VP4RSE

pith:2022:33VP4RSEQD3PCZ5PW6AROL5JOQ

not attested not anchored not stored refs pending

Extracting Mathematical Concepts from Text

Brendan Fong, Eswaran Subrahmanian, Jacob Collard, Valeria de Paiva

arxiv:2208.13830 v1 · 2022-08-29 · 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{33VP4RSEQD3PCZ5PW6AROL5JOQ}

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.

Cited by

1 paper in Pith

Math Natural Language Inference: this should be easy!

Receipt and verification

First computed	2026-07-05T04:53:05.695374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

deeafe464480f6f167afb781172fa97420fa222e68a6b81f881003451c3c7787

Aliases

arxiv: 2208.13830 · arxiv_version: 2208.13830v1 · doi: 10.48550/arxiv.2208.13830 · pith_short_12: 33VP4RSEQD3P · pith_short_16: 33VP4RSEQD3PCZ5P · pith_short_8: 33VP4RSE

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/33VP4RSEQD3PCZ5PW6AROL5JOQ \
  | 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: deeafe464480f6f167afb781172fa97420fa222e68a6b81f881003451c3c7787

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cbc919dc31dafb69f0237b4b67973fc32ca16ae80ec09c67f9ed6524065f0a49",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-08-29T18:45:05Z",
    "title_canon_sha256": "59f64267bd649a8ef628d70e4c5c6e6b9acfb13fee3db6fed6d236c07af5cd72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.13830",
    "kind": "arxiv",
    "version": 1
  }
}