Pith Number

pith:WSH3XC4Y

pith:2014:WSH3XC4YW4JNXWUNWKXQG6TP52

not attested not anchored not stored refs pending

Statistical models and regularization strategies in statistical image reconstruction of low-dose X-ray CT: a survey

Hao Zhang, Hongbing Lu, Jianhua Ma, Jing Wang, Zhengrong Liang

arxiv:1412.1732 v3 · 2014-12-04 · physics.med-ph · 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{WSH3XC4YW4JNXWUNWKXQG6TP52}

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	2026-05-18T02:09:54.355972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b48fbb8b98b712dbda8db2af037a6fee8f23aa43c59c6f368eccf81f903e7b41

Aliases

arxiv: 1412.1732 · arxiv_version: 1412.1732v3 · doi: 10.48550/arxiv.1412.1732 · pith_short_12: WSH3XC4YW4JN · pith_short_16: WSH3XC4YW4JNXWUN · pith_short_8: WSH3XC4Y

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/WSH3XC4YW4JNXWUNWKXQG6TP52 \
  | 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: b48fbb8b98b712dbda8db2af037a6fee8f23aa43c59c6f368eccf81f903e7b41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab47acc942f95379a8a0ce96c46f0e317cacb371c6bd4b321a18f8b30c63eab6",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2014-12-04T17:07:10Z",
    "title_canon_sha256": "6801a8c1c10ac6c0727ae03a345ba2210433bd532365054ad0826387105584a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1732",
    "kind": "arxiv",
    "version": 3
  }
}