Pith Number

pith:2DD7EHP3

pith:2020:2DD7EHP3NXL764MBTXPBMMENBA

not attested not anchored not stored refs pending

Fixed-effects model: the most convincing model for meta-analysis with few studies

Enxuan Lin, Tiejun Tong, Yong Chen, Yuedong Wang

arxiv:2002.04211 v1 · 2020-02-11 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2DD7EHP3NXL764MBTXPBMMENBA}

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	2026-07-05T00:39:43.328588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0c7f21dfb6dd7ff71819dde16308d083d8253ea975d8f5a648118979b923628

Aliases

arxiv: 2002.04211 · arxiv_version: 2002.04211v1 · doi: 10.48550/arxiv.2002.04211 · pith_short_12: 2DD7EHP3NXL7 · pith_short_16: 2DD7EHP3NXL764MB · pith_short_8: 2DD7EHP3

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/2DD7EHP3NXL764MBTXPBMMENBA \
  | 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: d0c7f21dfb6dd7ff71819dde16308d083d8253ea975d8f5a648118979b923628

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cac00cad9a7deb55f7f4479203685a971a96f16ca4b36c5f4f0b2f77253596d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2020-02-11T05:25:40Z",
    "title_canon_sha256": "2844dc0c9773bebcecebbf93b4be19ee9268b4574656285f03ae5a788669b4b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.04211",
    "kind": "arxiv",
    "version": 1
  }
}