Pith Number

pith:RKHNOHJB

pith:2026:RKHNOHJBLMY6VOQYKGK5JYBVHK

not attested not anchored not stored refs pending

Combinatorial interpretations of Tutte polynomials at the point $(2,-1)$

Tianlong Ma, Xian'an Jin, Yu Chen

arxiv:2606.00653 v1 · 2026-05-30 · 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{RKHNOHJBLMY6VOQYKGK5JYBVHK}

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	2026-06-02T01:04:01.021278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a8ed71d215b31eaba185195d4e0353a88b87dcc00e483ada69f20c92d691d5b

Aliases

arxiv: 2606.00653 · arxiv_version: 2606.00653v1 · doi: 10.48550/arxiv.2606.00653 · pith_short_12: RKHNOHJBLMY6 · pith_short_16: RKHNOHJBLMY6VOQY · pith_short_8: RKHNOHJB

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/RKHNOHJBLMY6VOQYKGK5JYBVHK \
  | 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: 8a8ed71d215b31eaba185195d4e0353a88b87dcc00e483ada69f20c92d691d5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88aa04f9385ae63879320add23048c45f7ad3b91bec30338f56ee7a4c9a38542",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-05-30T09:55:58Z",
    "title_canon_sha256": "6e0301a815ef4d55763e96652aabde2b06c58a9932811885eecb6db6345f2b8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.00653",
    "kind": "arxiv",
    "version": 1
  }
}