Pith Number

pith:7LSNYT6I

pith:2014:7LSNYT6I7SLETOQLVRGPJHD4OH

not attested not anchored not stored refs pending

A general notion of activity for the Tutte polynomial

Julien Courtiel

arxiv:1412.2081 v1 · 2014-12-05 · 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{7LSNYT6I7SLETOQLVRGPJHD4OH}

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	2026-05-18T02:32:05.408593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fae4dc4fc8fc9649ba0bac4cf49c7c71dddd1ddd647efa561a32ebc12671274d

Aliases

arxiv: 1412.2081 · arxiv_version: 1412.2081v1 · doi: 10.48550/arxiv.1412.2081 · pith_short_12: 7LSNYT6I7SLE · pith_short_16: 7LSNYT6I7SLETOQL · pith_short_8: 7LSNYT6I

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/7LSNYT6I7SLETOQLVRGPJHD4OH \
  | 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: fae4dc4fc8fc9649ba0bac4cf49c7c71dddd1ddd647efa561a32ebc12671274d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b238dee09de391093e4e1b47bcce4e3c2b9a4252ac0de334d0987436e7743b10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-12-05T17:55:20Z",
    "title_canon_sha256": "a5cd79209059b8155f6382bf66949448935f09b13a817c2db36b7973bf0ea937"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2081",
    "kind": "arxiv",
    "version": 1
  }
}