Pith Number

pith:Z2E2N6NP

pith:2013:Z2E2N6NPE4M7EAG4YEVDSKFLAS

not attested not anchored not stored refs pending

Convex Polytopes from Nested Posets

Patrick Showers, Satyan L. Devadoss, Stefan Forcey, Stephen Reisdorf

arxiv:1306.4208 v1 · 2013-06-18 · math.CO · math.AT · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z2E2N6NPE4M7EAG4YEVDSKFLAS}

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	2026-05-18T01:49:31.593693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce89a6f9af2719f200dcc12a3928ab04b2d4654b62a7691fd09e31effa4f3872

Aliases

arxiv: 1306.4208 · arxiv_version: 1306.4208v1 · doi: 10.48550/arxiv.1306.4208 · pith_short_12: Z2E2N6NPE4M7 · pith_short_16: Z2E2N6NPE4M7EAG4 · pith_short_8: Z2E2N6NP

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/Z2E2N6NPE4M7EAG4YEVDSKFLAS \
  | 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: ce89a6f9af2719f200dcc12a3928ab04b2d4654b62a7691fd09e31effa4f3872

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "854aba0494ccf4f3296474184dc3b32f3a0cde83b1b70b75e98eb195b0b6e27e",
    "cross_cats_sorted": [
      "math.AT",
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-06-18T14:23:45Z",
    "title_canon_sha256": "5a12a84e6f0ed2629e796c9880a9ce4c53d493005b56619418c997a524ad8a49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4208",
    "kind": "arxiv",
    "version": 1
  }
}