Pith Number

pith:KS7W3B2E

pith:2009:KS7W3B2EMVFTKXXPSCL6NJLTJF

not attested not anchored not stored refs pending

Adaptive estimation of spectral densities via wavelet thresholding and information projection

Jean-Michel Loubes (IMT), J\'er\'emie Bigot (IMT), Lilian Muniz Alvarez, Rolando Biscay Lirio

arxiv:0912.2026 v4 · 2009-12-10 · 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{KS7W3B2EMVFTKXXPSCL6NJLTJF}

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	2026-05-18T04:20:38.809228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54bf6d8744654b355eef9097e6a57349458f7ab391a546bcda857027dc980cd5

Aliases

arxiv: 0912.2026 · arxiv_version: 0912.2026v4 · doi: 10.48550/arxiv.0912.2026 · pith_short_12: KS7W3B2EMVFT · pith_short_16: KS7W3B2EMVFTKXXP · pith_short_8: KS7W3B2E

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/KS7W3B2EMVFTKXXPSCL6NJLTJF \
  | 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: 54bf6d8744654b355eef9097e6a57349458f7ab391a546bcda857027dc980cd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b3a4a379b151074111a0452c15b514024d6863032c25b67d1d6a90ba355cf9d",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2009-12-10T15:52:59Z",
    "title_canon_sha256": "cc1ed544474e6a199d518303d6f396b04e9beacf119b3b67fe71a718648cf6e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2026",
    "kind": "arxiv",
    "version": 4
  }
}