Pith Number

pith:DMQXPOQW

pith:2017:DMQXPOQWRHQM75HD4P5TFLKBR6

not attested not anchored not stored refs pending

Courcelle's Theorem Made Dynamic

Nicolas Markey, Patricia Bouyer-Decitre, Vincent Jug\'e

arxiv:1702.05183 v1 · 2017-02-16 · cs.CC · 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{DMQXPOQWRHQM75HD4P5TFLKBR6}

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	2026-05-18T00:50:34.554759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b2177ba1689e0cff4e3e3fb32ad418fa7e5d8f76a4ff8a8cce91b2189e7be77

Aliases

arxiv: 1702.05183 · arxiv_version: 1702.05183v1 · doi: 10.48550/arxiv.1702.05183 · pith_short_12: DMQXPOQWRHQM · pith_short_16: DMQXPOQWRHQM75HD · pith_short_8: DMQXPOQW

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/DMQXPOQWRHQM75HD4P5TFLKBR6 \
  | 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: 1b2177ba1689e0cff4e3e3fb32ad418fa7e5d8f76a4ff8a8cce91b2189e7be77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "893eba4b5fce26fd3354ac94aaf69d91a9174bb993f9e3ef990d520539dee68e",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2017-02-16T23:21:34Z",
    "title_canon_sha256": "4c8f07af1acec096799e8ef3425b6e4db29bde253b8e6e55f3b9ec822d1b207b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05183",
    "kind": "arxiv",
    "version": 1
  }
}