Pith Number

pith:L3JZ6IY3

pith:2019:L3JZ6IY32ZTRV75Y4LAHXAEEUG

not attested not anchored not stored refs pending

Maximizing 2-Independent Sets in 3-Uniform Hypergraphs

A.J. Radcliffe, Lauren Keough

arxiv:1903.08232 v1 · 2019-03-19 · 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{L3JZ6IY32ZTRV75Y4LAHXAEEUG}

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	2026-05-17T23:50:49.970048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ed39f231bd6671affb8e2c07b8084a1a081abaf7ea0bda39cefac6d0fa48a6d

Aliases

arxiv: 1903.08232 · arxiv_version: 1903.08232v1 · doi: 10.48550/arxiv.1903.08232 · pith_short_12: L3JZ6IY32ZTR · pith_short_16: L3JZ6IY32ZTRV75Y · pith_short_8: L3JZ6IY3

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/L3JZ6IY32ZTRV75Y4LAHXAEEUG \
  | 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: 5ed39f231bd6671affb8e2c07b8084a1a081abaf7ea0bda39cefac6d0fa48a6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2352e4e1f22737d02f1fe11798636d517271678192caddc4d21bacec0b3f0184",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-03-19T19:39:39Z",
    "title_canon_sha256": "34e8e282ef224c8e4432bf7d4b58bb4bc63752a292d9026b04f13aeec70d40fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08232",
    "kind": "arxiv",
    "version": 1
  }
}