Pith Number

pith:5NPTHOLO

pith:2017:5NPTHOLOBX7DSCDXL2QXIXKFA7

not attested not anchored not stored refs pending

Minimum Weight Flat Antichains of Subsets

Ian T. Roberts, Jerrold R. Griggs, Sven Hartmann, Thomas Kalinowski, Uwe Leck

arxiv:1704.00067 v4 · 2017-03-31 · math.CO · 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{5NPTHOLOBX7DSCDXL2QXIXKFA7}

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	2026-07-05T03:37:35.901536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb5f33b96e0dfe3908775ea1745d4507c92383049f4aa741b74b7ce23b68ca94

Aliases

arxiv: 1704.00067 · arxiv_version: 1704.00067v4 · doi: 10.48550/arxiv.1704.00067 · pith_short_12: 5NPTHOLOBX7D · pith_short_16: 5NPTHOLOBX7DSCDX · pith_short_8: 5NPTHOLO

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/5NPTHOLOBX7DSCDXL2QXIXKFA7 \
  | 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: eb5f33b96e0dfe3908775ea1745d4507c92383049f4aa741b74b7ce23b68ca94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a40aeaf8d308f32bd512ce5ee9714174e8465d6de65479562fbb49b6e374614",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-03-31T21:44:04Z",
    "title_canon_sha256": "e3169943c46829395b61c994be578fafb701cd685d0a315db94d2051ab141773"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00067",
    "kind": "arxiv",
    "version": 4
  }
}