Pith Number

pith:5RMPGGJ6

pith:2025:5RMPGGJ6EGOBY5LFIRK45TJCDL

not attested not anchored not stored refs pending

Max-Bisections of graphs without even cycles

Jianfeng Hou, Qinghou Zeng, Siwei Lin

arxiv:2505.21694 v2 · 2025-05-27 · 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{5RMPGGJ6EGOBY5LFIRK45TJCDL}

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	2026-07-05T11:39:54.440648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec58f3193e219c1c75654455cecd221ae5f9ebfc94df7b6609541e95d0f5f1ff

Aliases

arxiv: 2505.21694 · arxiv_version: 2505.21694v2 · doi: 10.48550/arxiv.2505.21694 · pith_short_12: 5RMPGGJ6EGOB · pith_short_16: 5RMPGGJ6EGOBY5LF · pith_short_8: 5RMPGGJ6

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/5RMPGGJ6EGOBY5LFIRK45TJCDL \
  | 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: ec58f3193e219c1c75654455cecd221ae5f9ebfc94df7b6609541e95d0f5f1ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e88c2b0a9e9fc4f6c85caba6a15e8a83ba0c3a1ac98cf42537439a28aaefa11d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-05-27T19:31:03Z",
    "title_canon_sha256": "30bafaac80e49c0873ea7801dd0240fa38ac478167eda8e4cac9ab21588c1bfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21694",
    "kind": "arxiv",
    "version": 2
  }
}