Pith Number

pith:MWSHRFWJ

pith:2011:MWSHRFWJADXQUVPN2DJAELNVMR

not attested not anchored not stored refs pending

Polytopes and Skeleta

David Treumann, Eric Zaslow

arxiv:1109.4430 v1 · 2011-09-20 · math.SG · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MWSHRFWJADXQUVPN2DJAELNVMR}

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	2026-05-18T04:12:34.764201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65a47896c900ef0a55edd0d2022db5644b265f33d1f1136cf1f18dc7be63fc18

Aliases

arxiv: 1109.4430 · arxiv_version: 1109.4430v1 · doi: 10.48550/arxiv.1109.4430 · pith_short_12: MWSHRFWJADXQ · pith_short_16: MWSHRFWJADXQUVPN · pith_short_8: MWSHRFWJ

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/MWSHRFWJADXQUVPN2DJAELNVMR \
  | 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: 65a47896c900ef0a55edd0d2022db5644b265f33d1f1136cf1f18dc7be63fc18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba484f7778756e9a6c81f39bc380945a1a0408c189b7b71065cf04e45cecac49",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2011-09-20T21:00:54Z",
    "title_canon_sha256": "546611079dd1c91094fd20a64a959b3ca3414daac00c08f50aadd0ab3b2b2147"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4430",
    "kind": "arxiv",
    "version": 1
  }
}