Pith Number

pith:HENMEN63

pith:2012:HENMEN63HDMAGSY5OYICM4Y7WJ

not attested not anchored not stored refs pending

Lexicographic Shellability of Partial Involutions

Mahir Bilen Can, Tim Twelbeck

arxiv:1205.0062 v2 · 2012-05-01 · math.CO · 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{HENMEN63HDMAGSY5OYICM4Y7WJ}

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	2026-05-18T03:32:58.974990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

391ac237db38d8034b1d761026731fb270a819167172fb89151b6d40eed8b23e

Aliases

arxiv: 1205.0062 · arxiv_version: 1205.0062v2 · doi: 10.48550/arxiv.1205.0062 · pith_short_12: HENMEN63HDMA · pith_short_16: HENMEN63HDMAGSY5 · pith_short_8: HENMEN63

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/HENMEN63HDMAGSY5OYICM4Y7WJ \
  | 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: 391ac237db38d8034b1d761026731fb270a819167172fb89151b6d40eed8b23e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d68a25bc4b91308dbecda8ca136ea031c52ea2939c83d2489dabb0d186e7ed9",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-05-01T00:59:26Z",
    "title_canon_sha256": "5c13fe39b214f92bfefde762d32884cbd412c18fe1728f4c204b0eba2b9343c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0062",
    "kind": "arxiv",
    "version": 2
  }
}