Pith Number

pith:J5CANQY4

pith:2010:J5CANQY4DDRCBMU4LYXNXAKVUT

not attested not anchored not stored refs pending

Rainbow Connection Number and Radius

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

arxiv:1011.0620 v2 · 2010-11-02 · 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{J5CANQY4DDRCBMU4LYXNXAKVUT}

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	2026-05-18T03:45:53.466293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f4406c31c18e220b29c5e2edb8155a4d3fea860dbd89c584dde4cbf10733f95

Aliases

arxiv: 1011.0620 · arxiv_version: 1011.0620v2 · doi: 10.48550/arxiv.1011.0620 · pith_short_12: J5CANQY4DDRC · pith_short_16: J5CANQY4DDRCBMU4 · pith_short_8: J5CANQY4

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/J5CANQY4DDRCBMU4LYXNXAKVUT \
  | 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: 4f4406c31c18e220b29c5e2edb8155a4d3fea860dbd89c584dde4cbf10733f95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbdd429a3758bae47efcb2d091fe16d6de384eebd05f0ea302dc3df6b67a5f0a",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-11-02T13:56:26Z",
    "title_canon_sha256": "6964602fa001210b4aeab533da71e115cb03bc5d2086404f3f0c68698eb535cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.0620",
    "kind": "arxiv",
    "version": 2
  }
}