Pith Number

pith:J37KUJVF

pith:2013:J37KUJVFTZRJKBUPHAOKQWFT5Z

not attested not anchored not stored refs pending

The robber strikes back

Ali Haidar, Anthony Bonato, Dieter Mitsche, Ladislav Stacho, Pawel Pralat, Przemyslaw Gordinowicz, Stephen Finbow, William B. Kinnersley

arxiv:1308.2843 v1 · 2013-08-13 · 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{J37KUJVFTZRJKBUPHAOKQWFT5Z}

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	2026-05-18T03:15:58.374686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4efeaa26a59e6295068f381ca858b3ee4756c0e9c6a599f167266090f51f4b67

Aliases

arxiv: 1308.2843 · arxiv_version: 1308.2843v1 · doi: 10.48550/arxiv.1308.2843 · pith_short_12: J37KUJVFTZRJ · pith_short_16: J37KUJVFTZRJKBUP · pith_short_8: J37KUJVF

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/J37KUJVFTZRJKBUPHAOKQWFT5Z \
  | 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: 4efeaa26a59e6295068f381ca858b3ee4756c0e9c6a599f167266090f51f4b67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77eabf40b77361954f7537802686df0a51dec61a3c570d63bbcb03e504a537c9",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-08-13T12:45:51Z",
    "title_canon_sha256": "b7d90fcfb74f2be904923af0feae254afb03ba1118a0b0de0bcd8a4cf9ad9330"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2843",
    "kind": "arxiv",
    "version": 1
  }
}