Pith Number

pith:YHST5CHO

pith:2010:YHST5CHOXURPG3I6MALAEG37ZU

not attested not anchored not stored refs pending

Counting Unique-Sink Orientations

Bernd G\"artner, Jan Foniok, Lorenz Klaus, Markus Sprecher

arxiv:1012.1573 v3 · 2010-12-07 · 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{YHST5CHOXURPG3I6MALAEG37ZU}

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	2026-05-18T02:49:03.546956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1e53e88eebd22f36d1e6016021b7fcd0dd681e4a29f6a069171c59f06fe4919

Aliases

arxiv: 1012.1573 · arxiv_version: 1012.1573v3 · doi: 10.48550/arxiv.1012.1573 · pith_short_12: YHST5CHOXURP · pith_short_16: YHST5CHOXURPG3I6 · pith_short_8: YHST5CHO

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/YHST5CHOXURPG3I6MALAEG37ZU \
  | 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: c1e53e88eebd22f36d1e6016021b7fcd0dd681e4a29f6a069171c59f06fe4919

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82af49e933161fb4c3a27e2a39a9db30cb06cc6445f47a6675ff032e1c84624c",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-12-07T18:23:32Z",
    "title_canon_sha256": "29f5875589969d57337b3324c60ada852d659a7e94d2afb3d896f7f2207c3cbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1573",
    "kind": "arxiv",
    "version": 3
  }
}