Pith Number

pith:SZEA4D4C

pith:2018:SZEA4D4CH5FGVF2KJJJIACTIEA

not attested not anchored not stored refs pending

$N$-detachable pairs in 3-connected matroids II: life in $X$

Alan Williams, Geoff Whittle, Nick Brettell

arxiv:1804.06029 v2 · 2018-04-17 · 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{SZEA4D4CH5FGVF2KJJJIACTIEA}

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	2026-07-05T02:34:19.479927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96480e0f823f4a6a974a4a52800a6820310e5ee8149d255e59239bc926dd834b

Aliases

arxiv: 1804.06029 · arxiv_version: 1804.06029v2 · doi: 10.48550/arxiv.1804.06029 · pith_short_12: SZEA4D4CH5FG · pith_short_16: SZEA4D4CH5FGVF2K · pith_short_8: SZEA4D4C

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/SZEA4D4CH5FGVF2KJJJIACTIEA \
  | 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: 96480e0f823f4a6a974a4a52800a6820310e5ee8149d255e59239bc926dd834b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6524ac937b61a4c615e35b353a105411854ac79b211164237f3ae46fe432f3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-04-17T03:28:05Z",
    "title_canon_sha256": "1be5674ed363887d814b21997a1561a5bfb9ee4820a625764aeddc9ec3a9e936"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06029",
    "kind": "arxiv",
    "version": 2
  }
}