Pith Number

pith:UOQUB2GA

pith:2013:UOQUB2GABDQVOLJLI6KKNLFBWO

not attested not anchored not stored refs pending

Estimates on the number of partially ordered sets

Mikhail Kharitonov

arxiv:1307.1886 v2 · 2013-07-07 · math.CO · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UOQUB2GABDQVOLJLI6KKNLFBWO}

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	2026-05-18T03:12:11.481798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3a140e8c008e1572d2b4794a6aca1b3bea8994eb124f342a9228aae01ae2979

Aliases

arxiv: 1307.1886 · arxiv_version: 1307.1886v2 · doi: 10.48550/arxiv.1307.1886 · pith_short_12: UOQUB2GABDQV · pith_short_16: UOQUB2GABDQVOLJL · pith_short_8: UOQUB2GA

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/UOQUB2GABDQVOLJLI6KKNLFBWO \
  | 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: a3a140e8c008e1572d2b4794a6aca1b3bea8994eb124f342a9228aae01ae2979

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0932853ec34c43b68df38b7385f7a72ce9af010fde98d33550874f3721b36abd",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-07-07T17:20:04Z",
    "title_canon_sha256": "9430c75b3c85de0c8ef9eb5cf3f4be46e95abf6570639f593d667a6551413134"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1886",
    "kind": "arxiv",
    "version": 2
  }
}