Pith Number

pith:IDEYKR5R

pith:2023:IDEYKR5RGXKXIPTUOKUUSIPACG

not attested not anchored not stored refs pending

Two New Upper Bounds for the Maximum k-plex Problem

Jiongzhi Zheng, Kun He, Mingming Jin

arxiv:2301.07300 v3 · 2023-01-18 · 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{IDEYKR5RGXKXIPTUOKUUSIPACG}

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	2026-07-05T07:35:17.668814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40c98547b135d5743e7472a94921e011aa641fd427454d464225947131f1f8b9

Aliases

arxiv: 2301.07300 · arxiv_version: 2301.07300v3 · doi: 10.48550/arxiv.2301.07300 · pith_short_12: IDEYKR5RGXKX · pith_short_16: IDEYKR5RGXKXIPTU · pith_short_8: IDEYKR5R

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/IDEYKR5RGXKXIPTUOKUUSIPACG \
  | 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: 40c98547b135d5743e7472a94921e011aa641fd427454d464225947131f1f8b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "558545ab243d41fce0e11836ebcac30e82a8309b9bd2032b3f7be7c0c575536b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2023-01-18T04:31:40Z",
    "title_canon_sha256": "22b7a1b49da9f557fbee7c0754f7f2e87f5bec3e0b3b7790a8577adb5dacc794"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.07300",
    "kind": "arxiv",
    "version": 3
  }
}