Pith Number

pith:KAWLA7OC

pith:2019:KAWLA7OCYYFSORJB3WZUFYSU4L

not attested not anchored not stored refs pending

Geometric Equations for Matroid Varieties

Ashley Wheeler, Jessica Sidman, Will Traves

arxiv:1908.01233 v3 · 2019-08-03 · 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{KAWLA7OCYYFSORJB3WZUFYSU4L}

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	2026-07-05T01:15:35.963465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

502cb07dc2c60b274521ddb342e254e2e329389aa7aabac0cda51ae14cf51220

Aliases

arxiv: 1908.01233 · arxiv_version: 1908.01233v3 · doi: 10.48550/arxiv.1908.01233 · pith_short_12: KAWLA7OCYYFS · pith_short_16: KAWLA7OCYYFSORJB · pith_short_8: KAWLA7OC

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/KAWLA7OCYYFSORJB3WZUFYSU4L \
  | 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: 502cb07dc2c60b274521ddb342e254e2e329389aa7aabac0cda51ae14cf51220

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eaba52b06d733885c4fa9ab3d1c1b5eca8288adba786801736c9a0f28eef760",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-08-03T20:39:54Z",
    "title_canon_sha256": "1b6784b2580a87610f5b869668ac0eaa6ed76483ad30bae677e775e9a48e4ce2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01233",
    "kind": "arxiv",
    "version": 3
  }
}