Pith Number

pith:XI6RIIF7

pith:2018:XI6RIIF7ECXKDFTVLAFYIJK7JL

not attested not anchored not stored refs pending

An extension of Stanley's chromatic symmetric function to binary delta-matroids

Marina Dudina, Vyacheslav Zhukov

arxiv:1809.03431 v1 · 2018-09-10 · 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{XI6RIIF7ECXKDFTVLAFYIJK7JL}

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	2026-05-18T00:06:06.901687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba3d1420bf20aea19675580b84255f4adcd0617c4e05d92804c699b9bba41540

Aliases

arxiv: 1809.03431 · arxiv_version: 1809.03431v1 · doi: 10.48550/arxiv.1809.03431 · pith_short_12: XI6RIIF7ECXK · pith_short_16: XI6RIIF7ECXKDFTV · pith_short_8: XI6RIIF7

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/XI6RIIF7ECXKDFTVLAFYIJK7JL \
  | 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: ba3d1420bf20aea19675580b84255f4adcd0617c4e05d92804c699b9bba41540

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33cfb6873df6a1663e39e0fd41484556ce609f8af507c89b9314102bd4f218b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-09-10T16:14:55Z",
    "title_canon_sha256": "eb8ff6f14d8e81ac4b19c74cab31849b21c77030796b358b261bca44bf9c2575"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.03431",
    "kind": "arxiv",
    "version": 1
  }
}