Pith Number

pith:L5BEZWBS

pith:2017:L5BEZWBSA7Q2MJ2AMWAT27STLJ

not attested not anchored not stored refs pending

Reflection on the coloring and chromatic numbers

Assaf Rinot, Chris Lambie-Hanson

arxiv:1708.06929 v1 · 2017-08-23 · math.LO · 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{L5BEZWBSA7Q2MJ2AMWAT27STLJ}

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	2026-05-18T00:36:48.855397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f424cd83207e1a6274065813d7e535a7e13e556bb4229a9214c0406acb77a12

Aliases

arxiv: 1708.06929 · arxiv_version: 1708.06929v1 · doi: 10.48550/arxiv.1708.06929 · pith_short_12: L5BEZWBSA7Q2 · pith_short_16: L5BEZWBSA7Q2MJ2A · pith_short_8: L5BEZWBS

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/L5BEZWBSA7Q2MJ2AMWAT27STLJ \
  | 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: 5f424cd83207e1a6274065813d7e535a7e13e556bb4229a9214c0406acb77a12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "773f79dc45627c3cd53344e0fea977352343bc7c506b53344138d40f41260894",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2017-08-23T09:27:36Z",
    "title_canon_sha256": "3c627f79b13d19ed0c5bc729b80067f5fd79f936195787b6f1ae5f45de693ceb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06929",
    "kind": "arxiv",
    "version": 1
  }
}