Pith Number

pith:H2TQTWMM

pith:2010:H2TQTWMM3TZ5RUYHYQ5YVVIIMT

not attested not anchored not stored refs pending

On strong rainbow connection number

Xueliang Li, Yuefang Sun

arxiv:1010.6139 v1 · 2010-10-29 · 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{H2TQTWMM3TZ5RUYHYQ5YVVIIMT}

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	2026-05-18T04:38:07.410217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ea709d98cdcf3d8d307c43b8ad50864c08db2beea83361b29e56151380a3d90

Aliases

arxiv: 1010.6139 · arxiv_version: 1010.6139v1 · doi: 10.48550/arxiv.1010.6139 · pith_short_12: H2TQTWMM3TZ5 · pith_short_16: H2TQTWMM3TZ5RUYH · pith_short_8: H2TQTWMM

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/H2TQTWMM3TZ5RUYHYQ5YVVIIMT \
  | 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: 3ea709d98cdcf3d8d307c43b8ad50864c08db2beea83361b29e56151380a3d90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1fa2926507a85fb8211cf6f04c33339015a9ed328ff6f9ce86eb4d4ec9f7edf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-10-29T07:19:45Z",
    "title_canon_sha256": "f435de6154f3412168c33c3bfb6452ffe54663bf202813ca0cfe32be8d575f3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.6139",
    "kind": "arxiv",
    "version": 1
  }
}