Pith Number

pith:DXQL5F4U

pith:2015:DXQL5F4UC4I3S3LAS5S2S7AJKV

not attested not anchored not stored refs pending

On debiasing restoration algorithms: applications to total-variation and nonlocal-means

Charles-Alban Deledalle (IMB), Joseph Salmon, Nicolas Papadakis (IMB)

arxiv:1503.01587 v1 · 2015-03-05 · 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{DXQL5F4UC4I3S3LAS5S2S7AJKV}

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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	2026-05-18T01:09:49.144537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1de0be97941711b96d609765a97c095555941232703135d27330e2591204b52e

Aliases

arxiv: 1503.01587 · arxiv_version: 1503.01587v1 · doi: 10.48550/arxiv.1503.01587 · pith_short_12: DXQL5F4UC4I3 · pith_short_16: DXQL5F4UC4I3S3LA · pith_short_8: DXQL5F4U

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/DXQL5F4UC4I3S3LAS5S2S7AJKV \
  | 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: 1de0be97941711b96d609765a97c095555941232703135d27330e2591204b52e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6914044acd7e103b0eafe7a197683b217c40c51e1bdf8e61ae639f31b8eb7a1",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2015-03-05T09:46:07Z",
    "title_canon_sha256": "3ace48716d489667d4887971a78b91e733c8f60d6e7180a130bfa50e08993853"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01587",
    "kind": "arxiv",
    "version": 1
  }
}