Pith Number

pith:7DPG6YAS

pith:2026:7DPG6YASG4PNC6FG5CCENNYC54

not attested not anchored not stored refs pending

Fine-Grained Bounds for Courcelle's Theorem

Daniel Lokshtanov, Fahad Panolan, Jie Xue, Meirav Zehavi, Saket Saurabh

arxiv:2607.02033 v1 · 2026-07-02 · cs.DS · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7DPG6YASG4PNC6FG5CCENNYC54}

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	2026-07-03T01:17:37.633606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8de6f6012371ed178a6e88446b702ef0aee9148ac84d51da783a072c6d8437d

Aliases

arxiv: 2607.02033 · arxiv_version: 2607.02033v1 · doi: 10.48550/arxiv.2607.02033 · pith_short_12: 7DPG6YASG4PN · pith_short_16: 7DPG6YASG4PNC6FG · pith_short_8: 7DPG6YAS

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/7DPG6YASG4PNC6FG5CCENNYC54 \
  | 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: f8de6f6012371ed178a6e88446b702ef0aee9148ac84d51da783a072c6d8437d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f495e39a91936fb30528fb2f9f0dc1728b24f1cc78f74bc23f3249bd3ae54b9",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2026-07-02T11:00:35Z",
    "title_canon_sha256": "bdf98a64598fb979c7ee22e9b33655155904ca8c68f8968423378babe88ca56a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02033",
    "kind": "arxiv",
    "version": 1
  }
}