Pith Number

pith:KC3OWABU

pith:2022:KC3OWABUTZUEQ5JKFTYWFHLPJE

not attested not anchored not stored refs pending

Incorporating Prior Knowledge of Latent Group Structure in Panel Data Models

Boyuan Zhang

arxiv:2211.16714 v3 · 2022-11-30 · econ.EM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KC3OWABUTZUEQ5JKFTYWFHLPJE}

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	2026-07-05T07:06:21.465424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50b6eb00349e6848752a2cf1629d6f492ea780f55e3cbfaf50be033c43712932

Aliases

arxiv: 2211.16714 · arxiv_version: 2211.16714v3 · doi: 10.48550/arxiv.2211.16714 · pith_short_12: KC3OWABUTZUE · pith_short_16: KC3OWABUTZUEQ5JK · pith_short_8: KC3OWABU

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/KC3OWABUTZUEQ5JKFTYWFHLPJE \
  | 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: 50b6eb00349e6848752a2cf1629d6f492ea780f55e3cbfaf50be033c43712932

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d70f6773e78c33b81e2ae067e66ad26b3349a52f74036385e3a1735ccc0bbe07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2022-11-30T03:32:58Z",
    "title_canon_sha256": "94046b9c2e9c19e3be8a42e1f27ef2da2938c040ec0468c5ab1460f2a5282616"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.16714",
    "kind": "arxiv",
    "version": 3
  }
}