Pith Number

pith:YIQRD23J

pith:2018:YIQRD23J3AWJ6B44JRQNVRNZUG

not attested not anchored not stored refs pending

Comparison of projection domain, image domain, and comprehensive deep learning for sparse-view X-ray CT image reconstruction

Hongkai Yang, Kaichao Liang, Yuxiang Xing

arxiv:1804.04289 v2 · 2018-04-12 · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YIQRD23J3AWJ6B44JRQNVRNZUG}

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	2026-05-17T23:44:59.677012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c22111eb69d82c9f079c4c60dac5b9a1be61b78fa9ec03f537da8cf3b2685eaa

Aliases

arxiv: 1804.04289 · arxiv_version: 1804.04289v2 · doi: 10.48550/arxiv.1804.04289 · pith_short_12: YIQRD23J3AWJ · pith_short_16: YIQRD23J3AWJ6B44 · pith_short_8: YIQRD23J

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/YIQRD23J3AWJ6B44JRQNVRNZUG \
  | 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: c22111eb69d82c9f079c4c60dac5b9a1be61b78fa9ec03f537da8cf3b2685eaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b601b4b862dd5d0d661bc235507e2fe4daa49a1b4bda3d10906d145c95859e5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-04-12T02:27:40Z",
    "title_canon_sha256": "8233cf7e519bc2665657d7c6d0c4d0280bc9757dd83fb4e91dbc9fa46157608e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04289",
    "kind": "arxiv",
    "version": 2
  }
}