Pith Number

pith:ZEOKRGZX

pith:2017:ZEOKRGZXIING3DZLLSIQPXLXTP

not attested not anchored not stored refs pending

Decomposing $C_4$-free graphs under degree constraints

Jie Ma, Tianchi Yang

arxiv:1706.07292 v1 · 2017-06-22 · 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{ZEOKRGZXIING3DZLLSIQPXLXTP}

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	2026-05-18T00:41:52.041710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c91ca89b37421a6d8f2b5c9107dd779bc7f3fe59f7a92c72decb902ac2cb7319

Aliases

arxiv: 1706.07292 · arxiv_version: 1706.07292v1 · doi: 10.48550/arxiv.1706.07292 · pith_short_12: ZEOKRGZXIING · pith_short_16: ZEOKRGZXIING3DZL · pith_short_8: ZEOKRGZX

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/ZEOKRGZXIING3DZLLSIQPXLXTP \
  | 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: c91ca89b37421a6d8f2b5c9107dd779bc7f3fe59f7a92c72decb902ac2cb7319

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9516a88b81c420680df867fbdbc48e6e654d479b8dc4a06356467abb0faefe83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-06-22T12:46:36Z",
    "title_canon_sha256": "d7ad5b288c3ab59170f3894dc6a7cd0c1561798ab23022958c5298fdc2ab1e0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07292",
    "kind": "arxiv",
    "version": 1
  }
}