Pith Number

pith:4RIVZPCB

pith:2018:4RIVZPCBZ7ITUKTZFE3IFSGJEJ

not attested not anchored not stored refs pending

Leveraging Deep Stein's Unbiased Risk Estimator for Unsupervised X-ray Denoising

Ali Ahmed, Fahad Shamshad, Muhammad Asim, Muhammad Awais, Muhammad Umair, Zain ul Aabidin Lodhi

arxiv:1811.12488 v1 · 2018-11-29 · cs.CV · cs.LG · stat.ML

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4RIVZPCBZ7ITUKTZFE3IFSGJEJ}

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	2026-05-17T23:59:29.477942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4515cbc41cfd13a2a79293682c8c9227bbc61d560d566c892cb7a0c858a3b36

Aliases

arxiv: 1811.12488 · arxiv_version: 1811.12488v1 · doi: 10.48550/arxiv.1811.12488 · pith_short_12: 4RIVZPCBZ7IT · pith_short_16: 4RIVZPCBZ7ITUKTZ · pith_short_8: 4RIVZPCB

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/4RIVZPCBZ7ITUKTZFE3IFSGJEJ \
  | 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: e4515cbc41cfd13a2a79293682c8c9227bbc61d560d566c892cb7a0c858a3b36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49e28c103768f5de1b3c829ecb577230d85fd88d51b4a5f63bcb0c389b6fc0a3",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-29T21:04:38Z",
    "title_canon_sha256": "382172b147dd18bd14c744c66bb4553682f9bba417ec28d98c991104902aa943"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.12488",
    "kind": "arxiv",
    "version": 1
  }
}