Pith Number

pith:4KTFO7ZB

pith:2016:4KTFO7ZB5QATIQSQF6RBWEO7GB

not attested not anchored not stored refs pending

ARRIVAL: A zero-player graph game in NP $\cap$ coNP

Bernd G\"artner, Emo Welzl, J\'er\^ome Dohrau, Ji\v{r}\'i Matou\v{s}ek, Manuel Kohler

arxiv:1605.03546 v4 · 2016-05-11 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KTFO7ZB5QATIQSQF6RBWEO7GB}

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	2026-05-18T00:41:51.436547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2a6577f21ec013442502fa21b11df30458d2f90f4101cd821e92a3968767c19

Aliases

arxiv: 1605.03546 · arxiv_version: 1605.03546v4 · doi: 10.48550/arxiv.1605.03546 · pith_short_12: 4KTFO7ZB5QAT · pith_short_16: 4KTFO7ZB5QATIQSQ · pith_short_8: 4KTFO7ZB

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/4KTFO7ZB5QATIQSQF6RBWEO7GB \
  | 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: e2a6577f21ec013442502fa21b11df30458d2f90f4101cd821e92a3968767c19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "199172b75ad66d60d1a6798250cdcbe7780002e14181d0effed3ecad3b72ee51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2016-05-11T18:56:46Z",
    "title_canon_sha256": "2de3938e804029f5ff99eaf8e5b663bc1af3df4ae9a1a6ee7b1de03cb87f93c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03546",
    "kind": "arxiv",
    "version": 4
  }
}