Pith Number

pith:XFE3XVMG

pith:2023:XFE3XVMGZKP6LK45MXUAYFKC4T

not attested not anchored not stored refs pending

Intersection theory of polymatroids

Christopher Eur, Matt Larson

arxiv:2301.00831 v2 · 2023-01-02 · math.AG · 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{XFE3XVMGZKP6LK45MXUAYFKC4T}

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	2026-07-05T06:46:21.210640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b949bbd586ca9fe5ab9d65e80c1542e4c1095c1fd739b2335011cd0f2ff6c0ff

Aliases

arxiv: 2301.00831 · arxiv_version: 2301.00831v2 · doi: 10.48550/arxiv.2301.00831 · pith_short_12: XFE3XVMGZKP6 · pith_short_16: XFE3XVMGZKP6LK45 · pith_short_8: XFE3XVMG

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/XFE3XVMGZKP6LK45MXUAYFKC4T \
  | 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: b949bbd586ca9fe5ab9d65e80c1542e4c1095c1fd739b2335011cd0f2ff6c0ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5242ffcfdef46a64633297e12960d28847774c3626bae04cd474405706af487",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2023-01-02T19:00:09Z",
    "title_canon_sha256": "ce89a7ea6c9e2d332a9bc19855b8ef309846d65180c00e986f120829875c323d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.00831",
    "kind": "arxiv",
    "version": 2
  }
}