Pith Number

pith:NMVGJR4O

pith:2026:NMVGJR4OG3JED6TXQPLLNGPDMH

not attested not anchored not stored refs pending

Covering vertices by sequential stars

An Zhang, Guohui Lin, Jiaxuan Ma, Mengyuan Hu, Wei Ding, Yong Chen, Yue Sun, Zhikai Chen

arxiv:2605.24711 v1 · 2026-05-23 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NMVGJR4OG3JED6TXQPLLNGPDMH}

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	2026-05-26T01:03:54.694992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b2a64c78e36d241fa7783d6b699e361e895b5a85cec4d6cb094e4646636308d

Aliases

arxiv: 2605.24711 · arxiv_version: 2605.24711v1 · doi: 10.48550/arxiv.2605.24711 · pith_short_12: NMVGJR4OG3JE · pith_short_16: NMVGJR4OG3JED6TX · pith_short_8: NMVGJR4O

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/NMVGJR4OG3JED6TXQPLLNGPDMH \
  | 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: 6b2a64c78e36d241fa7783d6b699e361e895b5a85cec4d6cb094e4646636308d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22fb53b99d49be2e172f48bd8b689c6f7b08b8c32d82b698700d2f4ee7601521",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2026-05-23T19:31:47Z",
    "title_canon_sha256": "05e32b2d6aaaccdfeb075929cae94e48ad590a4a9e50c456ca7f3802c28ce34e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24711",
    "kind": "arxiv",
    "version": 1
  }
}