Pith Number

pith:N2I7GDR2

pith:2021:N2I7GDR2ZOPQZBPVFCWKWRCO2L

not attested not anchored not stored refs pending

Do we need to estimate the variance in robust mean estimation?

Qiang Sun

arxiv:2107.00118 v5 · 2021-06-30 · stat.ME · 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{N2I7GDR2ZOPQZBPVFCWKWRCO2L}

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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.

Cited by

1 paper in Pith

Tuning free Catoni type joint robust estimation

Receipt and verification

First computed	2026-07-05T07:36:48.331253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e91f30e3acb9f0c85f528acab444ed2fc851dab0cc6e6b82d10acd2bfae67c3

Aliases

arxiv: 2107.00118 · arxiv_version: 2107.00118v5 · doi: 10.48550/arxiv.2107.00118 · pith_short_12: N2I7GDR2ZOPQ · pith_short_16: N2I7GDR2ZOPQZBPV · pith_short_8: N2I7GDR2

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/N2I7GDR2ZOPQZBPVFCWKWRCO2L \
  | 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: 6e91f30e3acb9f0c85f528acab444ed2fc851dab0cc6e6b82d10acd2bfae67c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ad4e14189679b35b66418465635442b8d94d093c634ca405d0ad6718bb82a7c",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2021-06-30T22:00:00Z",
    "title_canon_sha256": "2efa253de6c27f17648be7b6eaf68f7528aac23587d83977311513cff054244b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.00118",
    "kind": "arxiv",
    "version": 5
  }
}