Pith Number

pith:FE6JSTPG

pith:2019:FE6JSTPGJJRGYD25RFHTUSHIJH

not attested not anchored not stored refs pending

Set of independencies and Tutte polynomial of matroids over a domain

Alessio Borz\`i, Ivan Martino

arxiv:1909.00332 v1 · 2019-09-01 · math.CO · math.AC · 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{FE6JSTPGJJRGYD25RFHTUSHIJH}

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	2026-07-05T00:01:08.035180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

293c994de64a626c0f5d894f3a48e849e4bf0d8ef1bedff7d5f836b1d4123002

Aliases

arxiv: 1909.00332 · arxiv_version: 1909.00332v1 · doi: 10.48550/arxiv.1909.00332 · pith_short_12: FE6JSTPGJJRG · pith_short_16: FE6JSTPGJJRGYD25 · pith_short_8: FE6JSTPG

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/FE6JSTPGJJRGYD25RFHTUSHIJH \
  | 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: 293c994de64a626c0f5d894f3a48e849e4bf0d8ef1bedff7d5f836b1d4123002

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f37e7dc39dcdd4269644a7612d10a116c726ed709f161717540d25e1cdab578",
    "cross_cats_sorted": [
      "math.AC",
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-09-01T06:29:29Z",
    "title_canon_sha256": "d8a72f2f182a49ea442832884ac0d41adb38f883b947d5902ba181bc91cfc556"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00332",
    "kind": "arxiv",
    "version": 1
  }
}