Pith Number

pith:JQEBCW6T

pith:2017:JQEBCW6TMAEXSIXJKLPWVISGRS

not attested not anchored not stored refs pending

Unbiased Shrinkage Estimation

Jann Spiess

arxiv:1708.06436 v2 · 2017-08-21 · math.ST · econ.EM · stat.ME · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JQEBCW6TMAEXSIXJKLPWVISGRS}

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	2026-05-18T00:31:40.081595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c08115bd360097922e952df6aa2468cbc4cf9cb64cc33ec3282c41f2fe00a37

Aliases

arxiv: 1708.06436 · arxiv_version: 1708.06436v2 · doi: 10.48550/arxiv.1708.06436 · pith_short_12: JQEBCW6TMAEX · pith_short_16: JQEBCW6TMAEXSIXJ · pith_short_8: JQEBCW6T

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/JQEBCW6TMAEXSIXJKLPWVISGRS \
  | 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: 4c08115bd360097922e952df6aa2468cbc4cf9cb64cc33ec3282c41f2fe00a37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11addfb82ed82642d7d84fa104038e7c0ec68f84cd56e8cfb90071c61132a238",
    "cross_cats_sorted": [
      "econ.EM",
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2017-08-21T22:20:31Z",
    "title_canon_sha256": "1c127009777284a47d04cae3aa9b470308a3a4ddf579f6961f3bd4a88b3c06a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06436",
    "kind": "arxiv",
    "version": 2
  }
}