Pith Number

pith:DHMJA6A7

pith:2011:DHMJA6A7ANW6GAASC4HFCJF7O3

not attested not anchored not stored refs pending

Comparing Perfect and 2nd Voronoi decompositions: the matroidal locus

Filippo Viviani, Margarida Melo

arxiv:1106.3291 v2 · 2011-06-16 · 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{DHMJA6A7ANW6GAASC4HFCJF7O3}

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	2026-05-18T03:41:12.784820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19d890781f036de30012170e5124bf76ef027960266822c13e73c3f7403bfc8a

Aliases

arxiv: 1106.3291 · arxiv_version: 1106.3291v2 · doi: 10.48550/arxiv.1106.3291 · pith_short_12: DHMJA6A7ANW6 · pith_short_16: DHMJA6A7ANW6GAAS · pith_short_8: DHMJA6A7

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/DHMJA6A7ANW6GAASC4HFCJF7O3 \
  | 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: 19d890781f036de30012170e5124bf76ef027960266822c13e73c3f7403bfc8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7732e75c81847ed169630358eb44de781586a7d851a736267d5e5f8e9591b47a",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-06-16T17:58:04Z",
    "title_canon_sha256": "4862f95e6a902cb7ba677bdcbc882a4944478c29a6fd4dfa785abc772ddebe90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3291",
    "kind": "arxiv",
    "version": 2
  }
}