Pith Number

pith:UPJXRJ2M

pith:2007:UPJXRJ2MWQDATGMD4TSNYE7SC4

not attested not anchored not stored refs pending

Needlet algorithms for estimation in inverse problems

Dominique Picard, G\'erard Kerkyacharian, Pencho Petrushev, Thomas Willer

arxiv:0705.0274 v1 · 2007-05-02 · 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{UPJXRJ2MWQDATGMD4TSNYE7SC4}

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	2026-05-18T01:09:24.788075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3d378a74cb406099983e4e4dc13f2171dce72037d30537b383e9cc91b61b54b

Aliases

arxiv: 0705.0274 · arxiv_version: 0705.0274v1 · doi: 10.48550/arxiv.0705.0274 · pith_short_12: UPJXRJ2MWQDA · pith_short_16: UPJXRJ2MWQDATGMD · pith_short_8: UPJXRJ2M

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/UPJXRJ2MWQDATGMD4TSNYE7SC4 \
  | 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: a3d378a74cb406099983e4e4dc13f2171dce72037d30537b383e9cc91b61b54b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "661c65b022df67f7115a3a2ad7463dbd75f0c013e6bf5652f2a09c9845a2113a",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "",
    "primary_cat": "math.ST",
    "submitted_at": "2007-05-02T12:46:00Z",
    "title_canon_sha256": "27bd36ae0f1c742bf4f9bff3904b749b3cb333c7e2f04879cb8b5dff16f4cbe9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.0274",
    "kind": "arxiv",
    "version": 1
  }
}