Pith Number

pith:4X4ARBB3

pith:2006:4X4ARBB37OE2TJEVUAC3SAUODD

not attested not anchored not stored refs pending

Odd minimum cut sets and b-matchings revisited

Adam N. Letchford, Dirk Oliver Theis

arxiv:math/0607088 v1 · 2006-07-04 · math.OC · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4X4ARBB37OE2TJEVUAC3SAUODD}

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	2026-05-18T04:06:46.409649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5f808843bfb89a9a495a005b9028e18d8440726da84de1523f8a01976cc642c

Aliases

arxiv: math/0607088 · arxiv_version: math/0607088v1 · doi: 10.48550/arxiv.math/0607088 · pith_short_12: 4X4ARBB37OE2 · pith_short_16: 4X4ARBB37OE2TJEV · pith_short_8: 4X4ARBB3

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/4X4ARBB37OE2TJEVUAC3SAUODD \
  | 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: e5f808843bfb89a9a495a005b9028e18d8440726da84de1523f8a01976cc642c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c9be538ab8bfdbd6aae65a3850ebddce89c7c47f53d6536421c8fca687d5d42",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "",
    "primary_cat": "math.OC",
    "submitted_at": "2006-07-04T11:39:28Z",
    "title_canon_sha256": "0f77eb9cbe178236a7a7fa97dfa408d16840a179cb759a525e21a50c031d3fa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0607088",
    "kind": "arxiv",
    "version": 1
  }
}