Pith Number

pith:2X2SZTEU

pith:2021:2X2SZTEU3FTDOG2CUAPBKL6L26

not attested not anchored not stored refs pending

Entropy Regularized Iterative Weighted Shrinkage-Thresholding Algorithm (ERIWSTA): An Application to CT Image Restoration

Bingxue Wu, Chen Li, Jiao Wei, Yudong Yao, YueYang Teng

arxiv:2112.11706 v1 · 2021-12-22 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2X2SZTEU3FTDOG2CUAPBKL6L26}

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	2026-07-05T03:43:10.025682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5f52ccc94d966371b42a01e152fcbd78f0827b31fcbdcafb752c0c613e9291f

Aliases

arxiv: 2112.11706 · arxiv_version: 2112.11706v1 · doi: 10.48550/arxiv.2112.11706 · pith_short_12: 2X2SZTEU3FTD · pith_short_16: 2X2SZTEU3FTDOG2C · pith_short_8: 2X2SZTEU

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/2X2SZTEU3FTDOG2CUAPBKL6L26 \
  | 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: d5f52ccc94d966371b42a01e152fcbd78f0827b31fcbdcafb752c0c613e9291f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ef1af31611ededa14a8b3f5a92bd83a276201c6a4aa51a4043a06a45b0b1383",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-22T07:34:45Z",
    "title_canon_sha256": "a28c5a2770c9fe9289466e31e00b605dd2b7e067819ec2e6f82d72b674c10393"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.11706",
    "kind": "arxiv",
    "version": 1
  }
}