Pith Number

pith:SWJSV3DK

pith:2009:SWJSV3DKYLUEKORRJEGNF5CKPM

not attested not anchored not stored refs pending

Packing 3-vertex Paths In Cubic 3-connected Graphs

Alexander Kelmans

arxiv:0910.2766 v2 · 2009-10-15 · 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{SWJSV3DKYLUEKORRJEGNF5CKPM}

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	2026-05-18T04:17:03.471686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95932aec6ac2e8453a31490cd2f44a7b26c692513284aa8253c85354962c9b04

Aliases

arxiv: 0910.2766 · arxiv_version: 0910.2766v2 · doi: 10.48550/arxiv.0910.2766 · pith_short_12: SWJSV3DKYLUE · pith_short_16: SWJSV3DKYLUEKORR · pith_short_8: SWJSV3DK

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/SWJSV3DKYLUEKORRJEGNF5CKPM \
  | 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: 95932aec6ac2e8453a31490cd2f44a7b26c692513284aa8253c85354962c9b04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "706523f4b7aa38754b54510af66136068782ecbdccab1dd4808305c7042ffe8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2009-10-15T03:00:08Z",
    "title_canon_sha256": "084f2d78300460cd39271227c7483c5ba287d6ad18cf183bb01422f3ea34ad37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2766",
    "kind": "arxiv",
    "version": 2
  }
}