Pith Number

pith:T4Z25YOD

pith:2014:T4Z25YODEMPSN6CMDKVVPRM2RH

not attested not anchored not stored refs pending

To catch a falling robber

Douglas B. West, Pawe{\l} Pra{\l}at, William B. Kinnersley

arxiv:1406.2228 v3 · 2014-06-09 · 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{T4Z25YODEMPSN6CMDKVVPRM2RH}

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	2026-05-18T01:20:12.310337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f33aee1c3231f26f84c1aab57c59a89ee4a6679a482c5c75ae785669ac8befa

Aliases

arxiv: 1406.2228 · arxiv_version: 1406.2228v3 · doi: 10.48550/arxiv.1406.2228 · pith_short_12: T4Z25YODEMPS · pith_short_16: T4Z25YODEMPSN6CM · pith_short_8: T4Z25YOD

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/T4Z25YODEMPSN6CMDKVVPRM2RH \
  | 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: 9f33aee1c3231f26f84c1aab57c59a89ee4a6679a482c5c75ae785669ac8befa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f37aaa9af1c0c8c8b38af4ecfd3e24f4f1066c46d176eed70b0367541c4008f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-06-09T16:01:47Z",
    "title_canon_sha256": "499cc158cc4d39ac45add1146af9f3eaa5dc487699056cb0198ac7207e8225f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2228",
    "kind": "arxiv",
    "version": 3
  }
}