Pith Number

pith:QBL3OUK7

pith:2011:QBL3OUK7QZ2A57C766G5TZ5VQM

not attested not anchored not stored refs pending

Frontier estimation via kernel regression on high power-transformed data

Pierre Jacob, St\'ephane Girard

arxiv:1103.5956 v1 · 2011-03-30 · 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{QBL3OUK7QZ2A57C766G5TZ5VQM}

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	2026-05-18T04:25:27.072544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8057b7515f86740efc5ff78dd9e7b583340fc832f9fb14b4b635dc5eece83c41

Aliases

arxiv: 1103.5956 · arxiv_version: 1103.5956v1 · doi: 10.48550/arxiv.1103.5956 · pith_short_12: QBL3OUK7QZ2A · pith_short_16: QBL3OUK7QZ2A57C7 · pith_short_8: QBL3OUK7

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/QBL3OUK7QZ2A57C766G5TZ5VQM \
  | 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: 8057b7515f86740efc5ff78dd9e7b583340fc832f9fb14b4b635dc5eece83c41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5833571d1a2b2e5877b994d81570343526098ce6c3cb83dc847b043bc5fede6f",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2011-03-30T15:18:22Z",
    "title_canon_sha256": "8506c81061544526c892e6f1ab2f489d32c19112dff224d30d04d8cb385e03c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5956",
    "kind": "arxiv",
    "version": 1
  }
}