Pith Number

pith:TQCEIQTF

pith:2019:TQCEIQTFQECV4D5MJ6TRQ3Z2XL

not attested not anchored not stored refs pending

Erd\H{o}s-Gallai-type results for the rainbow disconnection number of graphs

Xueliang Li, Xuqing Bai

arxiv:1901.02740 v1 · 2019-01-08 · 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{TQCEIQTFQECV4D5MJ6TRQ3Z2XL}

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	2026-05-17T23:56:39.578804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c0444426581055e0fac4fa7186f3abacc6f9140b4dc98535499361d92a2d064

Aliases

arxiv: 1901.02740 · arxiv_version: 1901.02740v1 · doi: 10.48550/arxiv.1901.02740 · pith_short_12: TQCEIQTFQECV · pith_short_16: TQCEIQTFQECV4D5M · pith_short_8: TQCEIQTF

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/TQCEIQTFQECV4D5MJ6TRQ3Z2XL \
  | 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: 9c0444426581055e0fac4fa7186f3abacc6f9140b4dc98535499361d92a2d064

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64112cb5771a9db8b5ba280a838a7e2553bd9fde22470f187c87055daf701e97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-01-08T05:12:45Z",
    "title_canon_sha256": "448a98610f6e3d4848c2da0df235dfdf848b08fb054ebea8d1e050c753a8fed9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02740",
    "kind": "arxiv",
    "version": 1
  }
}