Pith Number

pith:X4OSXYSR

pith:2017:X4OSXYSRN7PJ44E2HOEOBXFGJB

not attested not anchored not stored refs pending

An analysis of the SPARSEVA estimate for the finite sample data case

Bo Wahlberg, Cristian R. Rojas, Huong Ha, James S. Welsh

arxiv:1703.09351 v3 · 2017-03-27 · math.ST · 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{X4OSXYSRN7PJ44E2HOEOBXFGJB}

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	2026-05-18T00:10:19.476922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf1d2be2516fde9e709a3b88e0dca6486ca89e57b275c246701203e2007cd0f2

Aliases

arxiv: 1703.09351 · arxiv_version: 1703.09351v3 · doi: 10.48550/arxiv.1703.09351 · pith_short_12: X4OSXYSRN7PJ · pith_short_16: X4OSXYSRN7PJ44E2 · pith_short_8: X4OSXYSR

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/X4OSXYSRN7PJ44E2HOEOBXFGJB \
  | 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: bf1d2be2516fde9e709a3b88e0dca6486ca89e57b275c246701203e2007cd0f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79c69dd85997f8d4ea3cd4f4aa8ac464720aa543e816d0894b919f5cf12353a5",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2017-03-27T23:46:31Z",
    "title_canon_sha256": "e9500872012870af594e1ce9363c9041e9db7a1aa94c8e75f7f14fa1ddea7a07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09351",
    "kind": "arxiv",
    "version": 3
  }
}