Pith Number

pith:OX4WRNRR

pith:2014:OX4WRNRRZEZEQAOGFXWJCHZATK

not attested not anchored not stored refs pending

Sharp bounds on the variance in randomized experiments

Donald K. K. Lee, Donald P. Green, Peter M. Aronow

arxiv:1405.6555 v1 · 2014-05-26 · 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{OX4WRNRRZEZEQAOGFXWJCHZATK}

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	2026-05-18T02:51:07.130447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75f968b631c9324801c62dec911f209aacd7c4de01aa3e5a3f9638846b22aeb8

Aliases

arxiv: 1405.6555 · arxiv_version: 1405.6555v1 · doi: 10.48550/arxiv.1405.6555 · pith_short_12: OX4WRNRRZEZE · pith_short_16: OX4WRNRRZEZEQAOG · pith_short_8: OX4WRNRR

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/OX4WRNRRZEZEQAOGFXWJCHZATK \
  | 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: 75f968b631c9324801c62dec911f209aacd7c4de01aa3e5a3f9638846b22aeb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4396cfeb9e41e73947846ce53080758f70fb5fc46a39162bb741e96fe2219b76",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2014-05-26T12:34:34Z",
    "title_canon_sha256": "32a667298fa9138f7ac9cf13b9ebbdf103cbc940f1a104d486bdc48ebcefaffc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.6555",
    "kind": "arxiv",
    "version": 1
  }
}