Pith Number

pith:E2IWAPOH

pith:2014:E2IWAPOHZLBVA7LAX77ISH5FF4

not attested not anchored not stored refs pending

Pairwise balanced designs with prescribed minimum dimension

Alan C.H. Ling, Peter J. Dukes

arxiv:1401.1471 v1 · 2014-01-07 · 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{E2IWAPOHZLBVA7LAX77ISH5FF4}

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	2026-05-18T03:03:08.304281Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2691603dc7cac3507d60bffe891fa52f269e83ba4bbfd33188043ead1c61c9bb

Aliases

arxiv: 1401.1471 · arxiv_version: 1401.1471v1 · doi: 10.48550/arxiv.1401.1471 · pith_short_12: E2IWAPOHZLBV · pith_short_16: E2IWAPOHZLBVA7LA · pith_short_8: E2IWAPOH

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/E2IWAPOHZLBVA7LAX77ISH5FF4 \
  | 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: 2691603dc7cac3507d60bffe891fa52f269e83ba4bbfd33188043ead1c61c9bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b16ff74bb58e04ab68eaf99a22332b6b6e42755a0832477805fb8e6dde8f926",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-01-07T18:36:40Z",
    "title_canon_sha256": "89b5b2c996489b0a1ef00dd0d3e12f5e857f7cb2a021b4867ad7cc4016aa8cbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1471",
    "kind": "arxiv",
    "version": 1
  }
}