Pith Number

pith:7P6BUYGX

pith:2013:7P6BUYGXJ4VRAYILWGNG4WODJ4

not attested not anchored not stored refs pending

Hypothesis testing in the presence of multiple samples under density ratio models

James V. Zidek, Jiahua Chen, Song Cai

arxiv:1309.4740 v4 · 2013-09-18 · math.ST · stat.ME · 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{7P6BUYGXJ4VRAYILWGNG4WODJ4}

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	2026-05-18T02:09:54.775483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbfc1a60d74f2b10610bb19a6e59c34f037a7216024064b26ad81ea4c12798d9

Aliases

arxiv: 1309.4740 · arxiv_version: 1309.4740v4 · doi: 10.48550/arxiv.1309.4740 · pith_short_12: 7P6BUYGXJ4VR · pith_short_16: 7P6BUYGXJ4VRAYIL · pith_short_8: 7P6BUYGX

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/7P6BUYGXJ4VRAYILWGNG4WODJ4 \
  | 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: fbfc1a60d74f2b10610bb19a6e59c34f037a7216024064b26ad81ea4c12798d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37823609324b9c246e37141c5632f54fc1fa155139e64c75443665793da974cd",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2013-09-18T18:36:44Z",
    "title_canon_sha256": "856268eddb99b85a2c2f02b9ed2bbbdf034b48d52fab61c68a58ef720dce48ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4740",
    "kind": "arxiv",
    "version": 4
  }
}