Pith Number

pith:LPP2I2ZY

pith:2014:LPP2I2ZYUSYS4F4ZBH3CPV4UOG

not attested not anchored not stored refs pending

Structural Parameterizations of the Mixed Chinese Postman Problem

Gregory Gutin, Magnus Wahlstrom, Mark Jones

arxiv:1410.5191 v3 · 2014-10-20 · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LPP2I2ZYUSYS4F4ZBH3CPV4UOG}

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	2026-05-18T02:28:47.485911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bdfa46b38a4b12e179909f627d794718675ffc6739a005da71374112b91acbd

Aliases

arxiv: 1410.5191 · arxiv_version: 1410.5191v3 · doi: 10.48550/arxiv.1410.5191 · pith_short_12: LPP2I2ZYUSYS · pith_short_16: LPP2I2ZYUSYS4F4Z · pith_short_8: LPP2I2ZY

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/LPP2I2ZYUSYS4F4ZBH3CPV4UOG \
  | 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: 5bdfa46b38a4b12e179909f627d794718675ffc6739a005da71374112b91acbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99abe57090009b8e16e4d28584bde3720a27f4237b4fe76cfa9312aa670955a0",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2014-10-20T08:37:11Z",
    "title_canon_sha256": "5d18ff7057ecd836571b6b1976a1cbb218fe4baa1e475f5d6941d100cb7c387c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.5191",
    "kind": "arxiv",
    "version": 3
  }
}