Pith Number

pith:JWCHL373

pith:2011:JWCHL373TFU5OI5XFYTN5IV3AK

not attested not anchored not stored refs pending

Rainbow Connection Number of Graph Power and Graph Products

Arunselvan Ramaswamy, Deepak Rajendraprasad, L. Sunil Chandran, Manu Basavaraju

arxiv:1104.4190 v2 · 2011-04-21 · math.CO · 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{JWCHL373TFU5OI5XFYTN5IV3AK}

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	2026-05-18T04:17:04.254422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d8475effb9969d723b72e26dea2bb02900e14561c0580c143365821b3b4344d

Aliases

arxiv: 1104.4190 · arxiv_version: 1104.4190v2 · doi: 10.48550/arxiv.1104.4190 · pith_short_12: JWCHL373TFU5 · pith_short_16: JWCHL373TFU5OI5X · pith_short_8: JWCHL373

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/JWCHL373TFU5OI5XFYTN5IV3AK \
  | 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: 4d8475effb9969d723b72e26dea2bb02900e14561c0580c143365821b3b4344d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f664b4f9c7d6a8a4974e20b24aecd5a13b9c011c10b55bc87b8a18af777c51c",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-04-21T07:08:03Z",
    "title_canon_sha256": "1b789447c6e725d1dd61a1bba6a0ee964b84984b5086b60aab5934a3222a0f64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4190",
    "kind": "arxiv",
    "version": 2
  }
}