Pith Number

pith:QD4XFAGC

pith:2017:QD4XFAGCJ4OXT7ZL5EZVWHBWUM

not attested not anchored not stored refs pending

Algebra and valuations related to the Tutte polynomial

Joseph P.S. Kung, Michael J. Falk

arxiv:1711.08816 v1 · 2017-11-23 · 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{QD4XFAGCJ4OXT7ZL5EZVWHBWUM}

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	2026-05-18T00:29:44.019597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f97280c24f1d79ff2be9335b1c36a33ae47a32b0eca97513e707e0f27f5db5

Aliases

arxiv: 1711.08816 · arxiv_version: 1711.08816v1 · doi: 10.48550/arxiv.1711.08816 · pith_short_12: QD4XFAGCJ4OX · pith_short_16: QD4XFAGCJ4OXT7ZL · pith_short_8: QD4XFAGC

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/QD4XFAGCJ4OXT7ZL5EZVWHBWUM \
  | 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: 80f97280c24f1d79ff2be9335b1c36a33ae47a32b0eca97513e707e0f27f5db5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f300edf11d931a97c04c8d374bd69fcc1382612663adc4a43fb2f649148a4df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-11-23T19:46:47Z",
    "title_canon_sha256": "ee459edde4ca457d057db67c726b94d02e77a945e19cd06fc97fbf7653ac7106"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08816",
    "kind": "arxiv",
    "version": 1
  }
}