Pith Number

pith:LYO2CUFU

pith:2022:LYO2CUFU7ICIRTO2REJVMVYJWR

not attested not anchored not stored refs pending

A Strengthened Branch and Bound Algorithm for the Maximum Common (Connected) Subgraph Problem

Chu-Min Li, Jianrong Zhou, Jiongzhi Zheng, Kun He, Yanli Liu

arxiv:2201.06252 v1 · 2022-01-17 · 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{LYO2CUFU7ICIRTO2REJVMVYJWR}

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	2026-07-05T03:48:56.294356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e1da150b4fa0488cdda8913565709b444e0b380fe2282435f72a02f4d372e73

Aliases

arxiv: 2201.06252 · arxiv_version: 2201.06252v1 · doi: 10.48550/arxiv.2201.06252 · pith_short_12: LYO2CUFU7ICI · pith_short_16: LYO2CUFU7ICIRTO2 · pith_short_8: LYO2CUFU

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/LYO2CUFU7ICIRTO2REJVMVYJWR \
  | 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: 5e1da150b4fa0488cdda8913565709b444e0b380fe2282435f72a02f4d372e73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8320d87a8a07f84a2ce7c57b18cb9d0765e547a0c5a2ec6665c140d921afd74",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2022-01-17T07:32:06Z",
    "title_canon_sha256": "59184288fbd3783cfbfb6e00626896ef7e77a2746a1c8c94ab16cb9e99525fcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.06252",
    "kind": "arxiv",
    "version": 1
  }
}