Pith Number

pith:B6PGJMN2

pith:2008:B6PGJMN2NHYHIOG5RIQPMZBAY7

not attested not anchored not stored refs pending

Inversion of noisy Radon transform by SVD based needlet

Dominique Picard (PMA), Erwan Le Pennec (PMA), George Kyriazis, G\'erard Kerkyacharian (PMA), Pencho Petrushev

arxiv:0809.3332 v2 · 2008-09-19 · 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{B6PGJMN2NHYHIOG5RIQPMZBAY7}

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	2026-05-18T04:09:44.505580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f9e64b1ba69f07438dd8a20f66420c7c9980f23a7b981152b9eb54bb02c7e45

Aliases

arxiv: 0809.3332 · arxiv_version: 0809.3332v2 · doi: 10.48550/arxiv.0809.3332 · pith_short_12: B6PGJMN2NHYH · pith_short_16: B6PGJMN2NHYHIOG5 · pith_short_8: B6PGJMN2

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/B6PGJMN2NHYHIOG5RIQPMZBAY7 \
  | 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: 0f9e64b1ba69f07438dd8a20f66420c7c9980f23a7b981152b9eb54bb02c7e45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9c4a734144861a0fcef31067b2d84bb13c8a5f19a9eb372b7d4bf0a449754a9",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2008-09-19T09:14:34Z",
    "title_canon_sha256": "81b55d97dcf7e92936f9dae70f10b33429288eaa78106b1b24cb3814205d147d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.3332",
    "kind": "arxiv",
    "version": 2
  }
}