Pith Number

pith:N6QZZAW3

pith:2022:N6QZZAW3I2SIZ7GYVE6DLXFODH

not attested not anchored not stored refs pending

Parsing as a lifting problem and the Chomsky-Sch\"utzenberger representation theorem

Noam Zeilberger, Paul-Andr\'e Melli\`es

arxiv:2212.09060 v5 · 2022-12-18 · math.CT · 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{N6QZZAW3I2SIZ7GYVE6DLXFODH}

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

Formal Languages and TQFTs with Defects

Receipt and verification

First computed	2026-07-05T06:23:00.951086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fa19c82db46a48cfcd8a93c35dcae19c83828d316d4f373569134af7baa6386

Aliases

arxiv: 2212.09060 · arxiv_version: 2212.09060v5 · doi: 10.48550/arxiv.2212.09060 · pith_short_12: N6QZZAW3I2SI · pith_short_16: N6QZZAW3I2SIZ7GY · pith_short_8: N6QZZAW3

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/N6QZZAW3I2SIZ7GYVE6DLXFODH \
  | 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: 6fa19c82db46a48cfcd8a93c35dcae19c83828d316d4f373569134af7baa6386

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7309b53a640531b074a35f93ba5b95c206602a94d2aa8277b95b12ffc52e7944",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2022-12-18T10:54:03Z",
    "title_canon_sha256": "4d3fffc6f53da88fc34700414adcba68368b8959eb628e8b39e20381056c62a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.09060",
    "kind": "arxiv",
    "version": 5
  }
}