Pith Number

pith:N4EMERR4

pith:2018:N4EMERR4AISUWPMMA2WQQQ7PZT

not attested not anchored not stored refs pending

Introducing shrinkage in heavy-tailed state space models to predict equity excess returns

Florian Huber, Gregor Kastner, Michael Pfarrhofer

arxiv:1805.12217 v2 · 2018-05-30 · econ.EM · q-fin.ST · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4EMERR4AISUWPMMA2WQQQ7PZT}

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	2026-07-05T10:10:05.423574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f08c2463c02254b3d8c06ad0843efccc6b24d2ad9c77cf851f583c1dde73bbb

Aliases

arxiv: 1805.12217 · arxiv_version: 1805.12217v2 · doi: 10.48550/arxiv.1805.12217 · pith_short_12: N4EMERR4AISU · pith_short_16: N4EMERR4AISUWPMM · pith_short_8: N4EMERR4

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/N4EMERR4AISUWPMMA2WQQQ7PZT \
  | 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: 6f08c2463c02254b3d8c06ad0843efccc6b24d2ad9c77cf851f583c1dde73bbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18af2bf276e02fc78c4307ebce70d56c4bd1174967ecab79d78f0b7d7c2ea40f",
    "cross_cats_sorted": [
      "q-fin.ST",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2018-05-30T20:30:12Z",
    "title_canon_sha256": "2c5c9e7ed0596d8ca1b7fcecc56b4b6ebfa65489d192555082fb994c2cf7d73c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12217",
    "kind": "arxiv",
    "version": 2
  }
}