Pith Number

pith:4HTCJWTG

pith:2019:4HTCJWTGN5KBAWI3XV6WICKAOS

not attested not anchored not stored refs pending

Projection Super-resolution Based on Convolutional Neural Network for Computed Tomography

Ailong Cai, Bin Yan, Chao Tang, Lei Li, Linyuan Wang, Ningning Liang, Wenkun Zhang, Ziheng Li

arxiv:1903.09811 v1 · 2019-03-23 · 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{4HTCJWTGN5KBAWI3XV6WICKAOS}

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	2026-05-17T23:50:35.444069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1e624da666f5410591bbd7d64094074a55bb2336dc469df57cadd243ca5d1d5

Aliases

arxiv: 1903.09811 · arxiv_version: 1903.09811v1 · doi: 10.48550/arxiv.1903.09811 · pith_short_12: 4HTCJWTGN5KB · pith_short_16: 4HTCJWTGN5KBAWI3 · pith_short_8: 4HTCJWTG

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/4HTCJWTGN5KBAWI3XV6WICKAOS \
  | 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: e1e624da666f5410591bbd7d64094074a55bb2336dc469df57cadd243ca5d1d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48d54166d225c9204d351e869fd4f638d95ba28c1a945ba0484748d90e5e0ebe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2019-03-23T12:09:22Z",
    "title_canon_sha256": "fef30174dcd3e81e3aa198ff66e69f966b4d471a456a8393e27ca0d3ef440437"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09811",
    "kind": "arxiv",
    "version": 1
  }
}