Pith Number

pith:PP4QGEBA

pith:2014:PP4QGEBAVKK3WGNK33YMBT7GES

not attested not anchored not stored refs pending

Combined tilings and separated set-systems

Alexander V. Karzanov, Gleb A. Koshevoy, Vladimir I. Danilov

arxiv:1401.6418 v3 · 2014-01-24 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PP4QGEBAVKK3WGNK33YMBT7GES}

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	2026-05-18T01:04:30.513542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bf9031020aa95bb19aadef0c0cfe624bfc8ee4497cb1b9056ab624f7019d486

Aliases

arxiv: 1401.6418 · arxiv_version: 1401.6418v3 · doi: 10.48550/arxiv.1401.6418 · pith_short_12: PP4QGEBAVKK3 · pith_short_16: PP4QGEBAVKK3WGNK · pith_short_8: PP4QGEBA

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/PP4QGEBAVKK3WGNK33YMBT7GES \
  | 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: 7bf9031020aa95bb19aadef0c0cfe624bfc8ee4497cb1b9056ab624f7019d486

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7008d8551230971e72e20c35ae28bd61f91bea46bca4ccf125a7fb087c2af4b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-01-24T18:32:06Z",
    "title_canon_sha256": "83fe2169d1a2e167af11c9a847a05a994539eb66d482b525a840a7ba5fa7020a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6418",
    "kind": "arxiv",
    "version": 3
  }
}