Pith Number

pith:HINDQNFQ

pith:2016:HINDQNFQJTSUOEI7EOSOPDCORA

not attested not anchored not stored refs pending

Rainbow vertex-connection and forbidden subgraphs

Jingshu Zhang, Wenjing Li, Xueliang Li

arxiv:1602.00922 v1 · 2016-02-02 · 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{HINDQNFQJTSUOEI7EOSOPDCORA}

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	2026-05-18T01:21:24.286931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a1a3834b04ce547111f23a4e78c4e880de340cbaaa6636730166ca9ec5d4ce0

Aliases

arxiv: 1602.00922 · arxiv_version: 1602.00922v1 · doi: 10.48550/arxiv.1602.00922 · pith_short_12: HINDQNFQJTSU · pith_short_16: HINDQNFQJTSUOEI7 · pith_short_8: HINDQNFQ

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/HINDQNFQJTSUOEI7EOSOPDCORA \
  | 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: 3a1a3834b04ce547111f23a4e78c4e880de340cbaaa6636730166ca9ec5d4ce0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ad19721763c74d1d9ffba7da7c3c25d827ea85a487288361fbc667f0adc7f83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-02-02T13:52:00Z",
    "title_canon_sha256": "dc22e9df0bae00b5f18022d317f5fd44b840458f01c0c1a58726df7316479339"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.00922",
    "kind": "arxiv",
    "version": 1
  }
}