Pith Number

pith:IAD5ILQ2

pith:2014:IAD5ILQ22R27AYYU3Z7XHL6GJJ

not attested not anchored not stored refs pending

Chromatic Numbers of Algebraic Hypergraphs

James H. Schmerl

arxiv:1408.4716 v4 · 2014-08-20 · math.LO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IAD5ILQ22R27AYYU3Z7XHL6GJJ}

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	2026-05-18T01:27:38.616375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4007d42e1ad475f06314de7f73afc64a5db551d3084479cccc04c7acd37390eb

Aliases

arxiv: 1408.4716 · arxiv_version: 1408.4716v4 · doi: 10.48550/arxiv.1408.4716 · pith_short_12: IAD5ILQ22R27 · pith_short_16: IAD5ILQ22R27AYYU · pith_short_8: IAD5ILQ2

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/IAD5ILQ22R27AYYU3Z7XHL6GJJ \
  | 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: 4007d42e1ad475f06314de7f73afc64a5db551d3084479cccc04c7acd37390eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91544c62d28ee2fa0bf52fda13d7a2e23c4144cc8045779d2017d1994e54439b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-08-20T16:43:07Z",
    "title_canon_sha256": "309b46174230013b8c2234a9e219b2593ca5beecfc3bee65e9e1193fbc76c67c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4716",
    "kind": "arxiv",
    "version": 4
  }
}