Pith Number

pith:IAMMTIR2

pith:2012:IAMMTIR2OJFXXFOCLQWCBTYSBS

not attested not anchored not stored refs pending

Saturated fractions of two-factor designs

Fabio Rapallo, Maria Piera Rogantin, Roberto Fontana

arxiv:1206.3911 v2 · 2012-06-18 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IAMMTIR2OJFXXFOCLQWCBTYSBS}

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	2026-05-18T03:51:13.860841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4018c9a23a724b7b95c25c2c20cf120cbe45c931405c7c092d46d2757444a202

Aliases

arxiv: 1206.3911 · arxiv_version: 1206.3911v2 · doi: 10.48550/arxiv.1206.3911 · pith_short_12: IAMMTIR2OJFX · pith_short_16: IAMMTIR2OJFXXFOC · pith_short_8: IAMMTIR2

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/IAMMTIR2OJFXXFOCLQWCBTYSBS \
  | 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: 4018c9a23a724b7b95c25c2c20cf120cbe45c931405c7c092d46d2757444a202

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0476a2df1677d293012242ab22d0abc323c6f204427d3dd0cb47e5122098403e",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-06-18T12:48:24Z",
    "title_canon_sha256": "8273367caa44bb946d7cc67cdfe6de1ec05482c26d5d73f429949af34548c201"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.3911",
    "kind": "arxiv",
    "version": 2
  }
}