Pith Number

pith:3WKNWPN4

pith:2022:3WKNWPN4VIXXSFY3MTDJ6ZKWR4

not attested not anchored not stored refs pending

Word Equations in Synergy with Regular Constraints (Technical Report)

David Chocholat\'y, Franti\v{s}ek Blahoudek, Juraj S\'i\v{c}, Luk\'a\v{s} Hol\'ik, Ond\v{r}ej Leng\'al, Vojt\v{e}ch Havlena, Yu-Fang Chen

arxiv:2212.02317 v1 · 2022-12-05 · cs.LO · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3WKNWPN4VIXXSFY3MTDJ6ZKWR4}

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	2026-07-05T05:22:23.038524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd94db3dbcaa2f79171b64c69f65568f3579974ad0e58ee78b7da1167ed6f6ac

Aliases

arxiv: 2212.02317 · arxiv_version: 2212.02317v1 · doi: 10.48550/arxiv.2212.02317 · pith_short_12: 3WKNWPN4VIXX · pith_short_16: 3WKNWPN4VIXXSFY3 · pith_short_8: 3WKNWPN4

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/3WKNWPN4VIXXSFY3MTDJ6ZKWR4 \
  | 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: dd94db3dbcaa2f79171b64c69f65568f3579974ad0e58ee78b7da1167ed6f6ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72db5f30005b52272189abc9c4586eed67fa67f32865c7bff88e9100948d5e37",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2022-12-05T14:42:15Z",
    "title_canon_sha256": "e19694b3dbaf67f570c646e2ca7fb5e7a9457f87fe5d91afc69ebdfa4b4aee93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.02317",
    "kind": "arxiv",
    "version": 1
  }
}