Pith Number

pith:SUK2ZHMK

pith:2024:SUK2ZHMK3TTHTLNYKM3CECASIY

not attested not anchored not stored refs pending

Treewidth, Hadwiger Number, and Induced Minors

Bryce Frederickson, David R. Wood, James Davies, J. Pascal Gollin, Kevin Hendrey, Liana Yepremyan, Marc Distel, Robert Hickingbotham, Rutger Campbell, Sebastian Wiederrecht

arxiv:2410.19295 v1 · 2024-10-25 · 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{SUK2ZHMK3TTHTLNYKM3CECASIY}

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.

Cited by

1 paper in Pith

Tree decompositions with small width, spread, order and degree

Receipt and verification

First computed	2026-07-05T09:25:54.532790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9515ac9d8adce679adb85336220812462698a66ea49194881ef687ce146ebc03

Aliases

arxiv: 2410.19295 · arxiv_version: 2410.19295v1 · doi: 10.48550/arxiv.2410.19295 · pith_short_12: SUK2ZHMK3TTH · pith_short_16: SUK2ZHMK3TTHTLNY · pith_short_8: SUK2ZHMK

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/SUK2ZHMK3TTHTLNYKM3CECASIY \
  | 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: 9515ac9d8adce679adb85336220812462698a66ea49194881ef687ce146ebc03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f780172c2c00afa8b7ac37460d03e2d324ae7f3bdbf07d39363651eaabeb5528",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2024-10-25T04:03:33Z",
    "title_canon_sha256": "1795d083c73ef088385149ce3febdf061f4c88666a852bca9e985e70f3001c44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.19295",
    "kind": "arxiv",
    "version": 1
  }
}