Pith Number

pith:3OW52XOU

pith:2018:3OW52XOU7QICLY2A3Q5ZKT4PT3

not attested not anchored not stored refs pending

Kernel Estimation for Panel Data with Heterogeneous Dynamics

Ryo Okui, Takahide Yanagi

arxiv:1802.08825 v4 · 2018-02-24 · 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{3OW52XOU7QICLY2A3Q5ZKT4PT3}

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	2026-05-17T23:45:04.777173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbaddd5dd4fc1025e340dc3b954f8f9eff5aa89a36555f1a573ed88025b75f15

Aliases

arxiv: 1802.08825 · arxiv_version: 1802.08825v4 · doi: 10.48550/arxiv.1802.08825 · pith_short_12: 3OW52XOU7QIC · pith_short_16: 3OW52XOU7QICLY2A · pith_short_8: 3OW52XOU

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/3OW52XOU7QICLY2A3Q5ZKT4PT3 \
  | 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: dbaddd5dd4fc1025e340dc3b954f8f9eff5aa89a36555f1a573ed88025b75f15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21cf3f9facb8a8eb27195510accb8b1f0f4efdc2287d16abe19c7a3aacfd14a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2018-02-24T09:45:50Z",
    "title_canon_sha256": "557036aab534a8fd20cd6097844a9677bd9eedaf14236a10bd4fd1862f680bcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08825",
    "kind": "arxiv",
    "version": 4
  }
}