Pith Number

pith:ZNAS5T73

pith:2021:ZNAS5T73ZOYJ3LMBWCYGF5NFBK

not attested not anchored not stored refs pending

DuCN: Dual-children Network for Medical Diagnosis and Similar Case Recommendation towards COVID-19

Bin Li, Chengtao Peng, Dandan Tu, Senhua Zhu, Yunfei Long

arxiv:2108.01997 v1 · 2021-08-03 · eess.IV · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZNAS5T73ZOYJ3LMBWCYGF5NFBK}

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	2026-07-05T03:03:20.442913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb412ecffbcbb09dad81b0b062f5a50a93cbab0edaf481f9ab918e2b255ad3bd

Aliases

arxiv: 2108.01997 · arxiv_version: 2108.01997v1 · doi: 10.48550/arxiv.2108.01997 · pith_short_12: ZNAS5T73ZOYJ · pith_short_16: ZNAS5T73ZOYJ3LMB · pith_short_8: ZNAS5T73

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/ZNAS5T73ZOYJ3LMBWCYGF5NFBK \
  | 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: cb412ecffbcbb09dad81b0b062f5a50a93cbab0edaf481f9ab918e2b255ad3bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42c9f64ce094f8cfd9c85ddea7390c068e8a1ef23d7c14b3132c3ac3dbf6e882",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-08-03T15:46:53Z",
    "title_canon_sha256": "bcb574f5d59e9a97717a0b8e5799c76a17f8f817ad4f2505241db5e6669eec5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.01997",
    "kind": "arxiv",
    "version": 1
  }
}