Pith Number

pith:57XQZMJO

pith:2011:57XQZMJOYO4MUEERS7NT75S2M2

not attested not anchored not stored refs pending

Minimum multicuts and Steiner forests for Okamura-Seymour graphs

Arindam Pal

arxiv:1102.5478 v1 · 2011-02-27 · cs.DS · cs.DM · 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{57XQZMJOYO4MUEERS7NT75S2M2}

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	2026-05-18T04:27:46.829115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efef0cb12ec3b8ca109197db3ff65a66a3bb077fc1d4f25186d86746165ecb72

Aliases

arxiv: 1102.5478 · arxiv_version: 1102.5478v1 · doi: 10.48550/arxiv.1102.5478 · pith_short_12: 57XQZMJOYO4M · pith_short_16: 57XQZMJOYO4MUEER · pith_short_8: 57XQZMJO

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/57XQZMJOYO4MUEERS7NT75S2M2 \
  | 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: efef0cb12ec3b8ca109197db3ff65a66a3bb077fc1d4f25186d86746165ecb72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9d90e05a352ca1ef6fc8a86175dc82a1b5afbe814c4c7fad4d2be905d5fe271",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-02-27T06:55:32Z",
    "title_canon_sha256": "bef9c1d8ee3e5511e69d2a3731d6f407221fb35172420cbe9d8d6df155bc348d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.5478",
    "kind": "arxiv",
    "version": 1
  }
}