Pith Number

pith:MXYBKSWT

pith:2010:MXYBKSWTJFOESDEPPZCALACLND

not attested not anchored not stored refs pending

Linear equations for the number of intervals which are isomorphic with Boolean lattices and the Dehn--Sommerville equations

G\'abor Heged\"us

arxiv:1002.2049 v1 · 2010-02-10 · math.AC · 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{MXYBKSWTJFOESDEPPZCALACLND}

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	2026-05-18T01:02:59.687280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65f0154ad3495c490c8f7e4405804b68fcc19856bb8919fe74b0d20bebabc84b

Aliases

arxiv: 1002.2049 · arxiv_version: 1002.2049v1 · doi: 10.48550/arxiv.1002.2049 · pith_short_12: MXYBKSWTJFOE · pith_short_16: MXYBKSWTJFOESDEP · pith_short_8: MXYBKSWT

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/MXYBKSWTJFOESDEPPZCALACLND \
  | 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: 65f0154ad3495c490c8f7e4405804b68fcc19856bb8919fe74b0d20bebabc84b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a22f07d5597a4bbffc51121dd23633c178e64799e308a03835ec3f1f4401016",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2010-02-10T09:44:54Z",
    "title_canon_sha256": "774511a7b5879b76b0ab428ce63a1515cf5c594fc629aa4869da63f85010dd1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2049",
    "kind": "arxiv",
    "version": 1
  }
}