Pith Number

pith:TSXG3PKA

pith:2014:TSXG3PKAL6XQOVUQ3ENYKIPV7J

not attested not anchored not stored refs pending

Inference for biased models: a quasi-instrumental variable approach

Lixing Zhu, Lu Lin, Yujie Gai

arxiv:1407.4184 v1 · 2014-07-16 · 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{TSXG3PKAL6XQOVUQ3ENYKIPV7J}

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	2026-05-18T02:47:30.930523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cae6dbd405faf075690d91b8521f5fa662b651551ae7b54a8f4da8532ef5d58

Aliases

arxiv: 1407.4184 · arxiv_version: 1407.4184v1 · doi: 10.48550/arxiv.1407.4184 · pith_short_12: TSXG3PKAL6XQ · pith_short_16: TSXG3PKAL6XQOVUQ · pith_short_8: TSXG3PKA

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/TSXG3PKAL6XQOVUQ3ENYKIPV7J \
  | 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: 9cae6dbd405faf075690d91b8521f5fa662b651551ae7b54a8f4da8532ef5d58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c6064cf56d62c5ba4a122116c3a6b5d4c64fb4fb6a86194eb65f6aadb43fbbe",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2014-07-16T02:32:15Z",
    "title_canon_sha256": "ca30e9673e7cc9def04e58e75524c7906f230c2dc03d90ce732e5a850edbe1d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4184",
    "kind": "arxiv",
    "version": 1
  }
}