Pith Number

pith:LCXO37R5

pith:2012:LCXO37R5XK7QYBGIWNIWNXOUI4

not attested not anchored not stored refs pending

A robust, adaptive M-estimator for pointwise estimation in heteroscedastic regression

Johannes Lederer, Micha\"el Chichignoud

arxiv:1207.4447 v4 · 2012-07-18 · 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{LCXO37R5XK7QYBGIWNIWNXOUI4}

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	2026-05-18T02:48:02.501665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58aeedfe3dbabf0c04c8b35166ddd44737173b1fdcc89575884853a980a28e8a

Aliases

arxiv: 1207.4447 · arxiv_version: 1207.4447v4 · doi: 10.48550/arxiv.1207.4447 · pith_short_12: LCXO37R5XK7Q · pith_short_16: LCXO37R5XK7QYBGI · pith_short_8: LCXO37R5

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/LCXO37R5XK7QYBGIWNIWNXOUI4 \
  | 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: 58aeedfe3dbabf0c04c8b35166ddd44737173b1fdcc89575884853a980a28e8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e32580baf30747c75301ae3d89304bc7fa6b3e3ae38abafcc439a6b14a1c1c7",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-07-18T19:06:26Z",
    "title_canon_sha256": "ada1c131e8bd9f68e353d420980cb9d46748457cb37e8d016e5d02e4e686ee8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4447",
    "kind": "arxiv",
    "version": 4
  }
}