Pith Number

pith:BNWPD7RI

pith:2011:BNWPD7RIBZRT6OGEMVH42SMIL5

not attested not anchored not stored refs pending

Arithmetic matroids, Tutte polynomial, and toric arrangements

Luca Moci, Michele D'Adderio

arxiv:1105.3220 v3 · 2011-05-16 · 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{BNWPD7RIBZRT6OGEMVH42SMIL5}

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	2026-05-18T04:17:02.387622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b6cf1fe280e633f38c4654fcd49885f5c0d672cc4e5e319b771efc5699159d6

Aliases

arxiv: 1105.3220 · arxiv_version: 1105.3220v3 · doi: 10.48550/arxiv.1105.3220 · pith_short_12: BNWPD7RIBZRT · pith_short_16: BNWPD7RIBZRT6OGE · pith_short_8: BNWPD7RI

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/BNWPD7RIBZRT6OGEMVH42SMIL5 \
  | 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: 0b6cf1fe280e633f38c4654fcd49885f5c0d672cc4e5e319b771efc5699159d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "415597e57c9722781855fe90caa3986324863ba3ef3fee6237d857305d4ce0ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-05-16T21:12:43Z",
    "title_canon_sha256": "a0124b78162fcc3ac15a04c2877dff837fae49c2a0615ca73e4e56babab65ce1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3220",
    "kind": "arxiv",
    "version": 3
  }
}