Pith Number

pith:IISTE4HJ

pith:2024:IISTE4HJ6BDQVUUTDJ6THCI6NL

not attested not anchored not stored refs pending

Multipath matroids, digraph colourings, and the Tutte polynomial

Carlo Collari, Luigi Caputi, Sabino Di Trani

arxiv:2409.14528 v1 · 2024-09-22 · math.CO · math.AT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IISTE4HJ6BDQVUUTDJ6THCI6NL}

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	2026-07-05T09:10:18.048754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42253270e9f0470ad2931a7d33891e6ac598b739070422adc8aea7c818111311

Aliases

arxiv: 2409.14528 · arxiv_version: 2409.14528v1 · doi: 10.48550/arxiv.2409.14528 · pith_short_12: IISTE4HJ6BDQ · pith_short_16: IISTE4HJ6BDQVUUT · pith_short_8: IISTE4HJ

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/IISTE4HJ6BDQVUUTDJ6THCI6NL \
  | 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: 42253270e9f0470ad2931a7d33891e6ac598b739070422adc8aea7c818111311

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0790b71f6f5f3065b1858b35b02ec2f1f41032efd11d70785fd49e4696bf2f9",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2024-09-22T16:49:34Z",
    "title_canon_sha256": "d2919691d805941619235c55a21689054140d79d8fea05c306411de9e55dd2cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.14528",
    "kind": "arxiv",
    "version": 1
  }
}