Pith Number

pith:3QW4ZXED

pith:2017:3QW4ZXED6GYFGNWAFBEM73K742

not attested not anchored not stored refs pending

FO model checking of geometric graphs

Bodhayan Roy, Filip Pokr\'yvka, Petr Hlin\v{e}n\'y

arxiv:1709.03701 v2 · 2017-09-12 · 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{3QW4ZXED6GYFGNWAFBEM73K742}

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	2026-05-18T00:20:16.832944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc2dccdc83f1b05336c02848cfed5fe6aed4bc9710ac4c8d45210b715a8b3843

Aliases

arxiv: 1709.03701 · arxiv_version: 1709.03701v2 · doi: 10.48550/arxiv.1709.03701 · pith_short_12: 3QW4ZXED6GYF · pith_short_16: 3QW4ZXED6GYFGNWA · pith_short_8: 3QW4ZXED

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/3QW4ZXED6GYFGNWAFBEM73K742 \
  | 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: dc2dccdc83f1b05336c02848cfed5fe6aed4bc9710ac4c8d45210b715a8b3843

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab8adb539f5b31640d09ebb08e0b013478041b9ebe2e6bc452210f01cd0ed945",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-09-12T06:10:29Z",
    "title_canon_sha256": "3cf029fa4f64fa162e699afb98c555791d89609e1b940086be28876c443fe646"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03701",
    "kind": "arxiv",
    "version": 2
  }
}