Pith Number

pith:DMFMA7YY

pith:2021:DMFMA7YY32DIYBP5X7XNA3M354

not attested not anchored not stored refs pending

Automated assessment of disease severity of COVID-19 using artificial intelligence with synthetic chest CT

Aiping Liu, Changbing Qu, Jie Wen, Mengqiu Liu, Peng Zhang, Shana Li, Weifu Lv, Xiaohui Qiu, Yang Li, Yidong Yang, Ying Liu

arxiv:2112.05900 v1 · 2021-12-11 · 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{DMFMA7YY32DIYBP5X7XNA3M354}

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	2026-07-05T03:40:08.007997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b0ac07f18de868c05fdbfeed06d9bef3493b2fec4fed25d3febe0bb361bb376

Aliases

arxiv: 2112.05900 · arxiv_version: 2112.05900v1 · doi: 10.48550/arxiv.2112.05900 · pith_short_12: DMFMA7YY32DI · pith_short_16: DMFMA7YY32DIYBP5 · pith_short_8: DMFMA7YY

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/DMFMA7YY32DIYBP5X7XNA3M354 \
  | 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: 1b0ac07f18de868c05fdbfeed06d9bef3493b2fec4fed25d3febe0bb361bb376

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af738eb332bc83aed6fbdd8ca540bb5f48f250c8ce24fabdac4bb900e7cf596d",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-12-11T02:03:30Z",
    "title_canon_sha256": "6cfbd81e61866c4600066ec0d4b898b89dcaa01a3e563d902633dfb37f02f91f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.05900",
    "kind": "arxiv",
    "version": 1
  }
}