Pith Number

pith:4KGY77CC

pith:2022:4KGY77CCQD43GZTE7RURYR747W

not attested not anchored not stored refs pending

Delta-matroids whose twist polynomials are monomials

Daniel Yuschak

arxiv:2208.13258 v3 · 2022-08-28 · 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{4KGY77CCQD43GZTE7RURYR747W}

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	2026-07-05T08:02:41.411789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e28d8ffc4280f9b36664fc691c47fcfd97352b394718e803fd4345be7ee52101

Aliases

arxiv: 2208.13258 · arxiv_version: 2208.13258v3 · doi: 10.48550/arxiv.2208.13258 · pith_short_12: 4KGY77CCQD43 · pith_short_16: 4KGY77CCQD43GZTE · pith_short_8: 4KGY77CC

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/4KGY77CCQD43GZTE7RURYR747W \
  | 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: e28d8ffc4280f9b36664fc691c47fcfd97352b394718e803fd4345be7ee52101

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15b6cd6967e3ab0b418959dac4f7a293bd527a7ba25f399c03d332a336230376",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2022-08-28T17:48:47Z",
    "title_canon_sha256": "26138ed3dbf905f7c3c254578790ebaba3ab002909673e58ac2fd89b92cd7fda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.13258",
    "kind": "arxiv",
    "version": 3
  }
}