Pith Number

pith:GJICSQ5N

pith:2020:GJICSQ5NGBCW7B5HJPA2PWDKJW

not attested not anchored not stored refs pending

MFL_COVID19: Quantifying Country-based Factors affecting Case Fatality Rate in Early Phase of COVID-19 Epidemic via Regularised Multi-task Feature Learning

Jun Qi, Po Yang, Xulong Wang, Yun Yang

arxiv:2009.02827 v1 · 2020-09-06 · 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{GJICSQ5NGBCW7B5HJPA2PWDKJW}

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	2026-07-05T01:33:26.259480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32502943ad30456f87a74bc1a7d86a4d863edca08907c2e8797580bfe62ccb2e

Aliases

arxiv: 2009.02827 · arxiv_version: 2009.02827v1 · doi: 10.48550/arxiv.2009.02827 · pith_short_12: GJICSQ5NGBCW · pith_short_16: GJICSQ5NGBCW7B5H · pith_short_8: GJICSQ5N

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/GJICSQ5NGBCW7B5HJPA2PWDKJW \
  | 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: 32502943ad30456f87a74bc1a7d86a4d863edca08907c2e8797580bfe62ccb2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffe1c888f83a19e08b67edba6dfe36e818d2ff308ff90af63860704a3a54d534",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-09-06T22:34:14Z",
    "title_canon_sha256": "703e262153d8a909019f2b456e074cf4b007dab09b14013dd06ddc51ce1518e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.02827",
    "kind": "arxiv",
    "version": 1
  }
}