Pith Number

pith:O3Z6TEOY

pith:2014:O3Z6TEOYFJCTNFP7H7EFYGBT4E

not attested not anchored not stored refs pending

Further Hardness Results on Rainbow and Strong Rainbow Connectivity

Juho Lauri

arxiv:1404.3082 v4 · 2014-04-11 · cs.CC · 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{O3Z6TEOYFJCTNFP7H7EFYGBT4E}

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	2026-05-18T01:20:30.142371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76f3e991d82a453695ff3fc85c1833e11455e8c3d014024218353a433d614b63

Aliases

arxiv: 1404.3082 · arxiv_version: 1404.3082v4 · doi: 10.48550/arxiv.1404.3082 · pith_short_12: O3Z6TEOYFJCT · pith_short_16: O3Z6TEOYFJCTNFP7 · pith_short_8: O3Z6TEOY

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/O3Z6TEOYFJCTNFP7H7EFYGBT4E \
  | 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: 76f3e991d82a453695ff3fc85c1833e11455e8c3d014024218353a433d614b63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92d1175920232ac99f1efa824fdce3daa81ddec643711572863a4ffad9b298ec",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2014-04-11T11:50:55Z",
    "title_canon_sha256": "15f462095287def0f2c24ca7988f21dd7eefe9a968ae6ebc28a88ba3eeafeb50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3082",
    "kind": "arxiv",
    "version": 4
  }
}