Pith Number

pith:JF4VNLOS

pith:2019:JF4VNLOSUJL26I3MUWDS53D3G3

not attested not anchored not stored refs pending

Estimating Unobserved Individual Heterogeneity Using Pairwise Comparisons

Elena Krasnokutskaya, Kyungchul Song, Xun Tang

arxiv:1908.01272 v3 · 2019-08-04 · econ.EM · stat.AP · 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{JF4VNLOSUJL26I3MUWDS53D3G3}

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	2026-07-05T01:52:33.065229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

497956add2a257af236ca5872eec7b36e5adcc9dbf7eaaeacf93e65062ea1a1f

Aliases

arxiv: 1908.01272 · arxiv_version: 1908.01272v3 · doi: 10.48550/arxiv.1908.01272 · pith_short_12: JF4VNLOSUJL2 · pith_short_16: JF4VNLOSUJL26I3M · pith_short_8: JF4VNLOS

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/JF4VNLOSUJL26I3MUWDS53D3G3 \
  | 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: 497956add2a257af236ca5872eec7b36e5adcc9dbf7eaaeacf93e65062ea1a1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d78828ff1a316772f99ea47c9f405a89b4cc7876a0ca23e85beec38182e5a3e8",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2019-08-04T04:58:24Z",
    "title_canon_sha256": "1d5d8a1d5b9b4f1a126ef97fcb3b72f155af41d90eefd8cbe939652a24ffbdb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01272",
    "kind": "arxiv",
    "version": 3
  }
}