Pith Number

pith:HJZQYXSA

pith:2022:HJZQYXSAZ4IY6ZCDMOT7GG6KF2

not attested not anchored not stored refs pending

Top-level Design and Simulated Performance of the First Portable CT-MR scanner

Ge Wang, Jace Grandinetti, Mengzhou Li, Xun Jia, Yuting Peng

arxiv:2203.15989 v1 · 2022-03-30 · 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{HJZQYXSAZ4IY6ZCDMOT7GG6KF2}

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	2026-07-05T04:10:05.966177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a730c5e40cf118f644363a7f31bca2e8e2517ab0e905da106b8eddb286b334b

Aliases

arxiv: 2203.15989 · arxiv_version: 2203.15989v1 · doi: 10.48550/arxiv.2203.15989 · pith_short_12: HJZQYXSAZ4IY · pith_short_16: HJZQYXSAZ4IY6ZCD · pith_short_8: HJZQYXSA

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/HJZQYXSAZ4IY6ZCDMOT7GG6KF2 \
  | 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: 3a730c5e40cf118f644363a7f31bca2e8e2517ab0e905da106b8eddb286b334b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a08e2937c4d2ad79b2958f101d7ffa61cc3738d53da4d8532fb5cda8966a816",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2022-03-30T01:49:41Z",
    "title_canon_sha256": "3382a19b1bf2b1a4934445969f20db625b5cafafa65086812b4dc740d5cf5d19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.15989",
    "kind": "arxiv",
    "version": 1
  }
}