Pith Number

pith:KVW5EXRN

pith:2018:KVW5EXRNLH5M4HMHU5TNMSYVXX

not attested not anchored not stored refs pending

Cops, robbers, and burning bridges

Eric Peterson, William B. Kinnersley

arxiv:1812.09955 v1 · 2018-12-24 · math.CO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KVW5EXRNLH5M4HMHU5TNMSYVXX}

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	2026-05-17T23:57:26.267868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

556dd25e2d59face1d87a766d64b15bdf6152f91f834447d0c951beca8287078

Aliases

arxiv: 1812.09955 · arxiv_version: 1812.09955v1 · doi: 10.48550/arxiv.1812.09955 · pith_short_12: KVW5EXRNLH5M · pith_short_16: KVW5EXRNLH5M4HMH · pith_short_8: KVW5EXRN

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/KVW5EXRNLH5M4HMHU5TNMSYVXX \
  | 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: 556dd25e2d59face1d87a766d64b15bdf6152f91f834447d0c951beca8287078

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f53f3860b1f84322b17dcc80b0e6062cddc19c8b6fce975de9ee444f8e3eaeb",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-12-24T16:57:59Z",
    "title_canon_sha256": "54c6288db31213b7779edb3f6a5e71c75e8a3a2698845efb81b32ff296553cee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09955",
    "kind": "arxiv",
    "version": 1
  }
}