Pith Number

pith:LIMR2OUE

pith:2021:LIMR2OUE67I4WX6NTKADT2TKVP

not attested not anchored not stored refs pending

Task-Oriented Low-Dose CT Image Denoising

Chuang Niu, Ge Wang, Hanqing Chao, Jiajin Zhang, Pingkun Yan, Xuanang Xu

arxiv:2103.13557 v2 · 2021-03-25 · eess.IV · 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{LIMR2OUE67I4WX6NTKADT2TKVP}

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	2026-07-05T02:56:39.147365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a191d3a84f7d1cb5fcd9a8039ea6aabed99b11d45f5cce2bad9447b251d17f2

Aliases

arxiv: 2103.13557 · arxiv_version: 2103.13557v2 · doi: 10.48550/arxiv.2103.13557 · pith_short_12: LIMR2OUE67I4 · pith_short_16: LIMR2OUE67I4WX6N · pith_short_8: LIMR2OUE

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/LIMR2OUE67I4WX6NTKADT2TKVP \
  | 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: 5a191d3a84f7d1cb5fcd9a8039ea6aabed99b11d45f5cce2bad9447b251d17f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61c69ed4c66509a0180e64a515dc03ff320c67fb17416e3de7bb2d9be1340e8d",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-03-25T01:47:55Z",
    "title_canon_sha256": "3515b9c61029ab66c46ed10a1d17becf3d4fece2455e9551c20479f4e36d9eac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.13557",
    "kind": "arxiv",
    "version": 2
  }
}