Pith Number

pith:6CQZLJPZ

pith:2021:6CQZLJPZAILSI4RH2CILYCOIBF

not attested not anchored not stored refs pending

COVID-19-Associated Orphanhood and Caregiver Death in the United States

Alexandra Blenkinsop, Andr\'es Villaveces, Charles A. Nelson III, Christl A. Donnelly, Francis B. Annor, Greta M. Massetti, H. Juliette T. Unwin, James A. Mercy, Leandris Liburd, Lorraine Sherr, Lucie Cluver, Oliver Ratmann, Seth Flaxman, Susan D. Hillis, Zewditu Demissie

arxiv:2112.11777 v1 · 2021-12-22 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6CQZLJPZAILSI4RH2CILYCOIBF}

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	2026-07-05T03:43:11.493502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0a195a5f90217247227d090bc09c809617426cd23ca4cae2f2c40c12aff442a

Aliases

arxiv: 2112.11777 · arxiv_version: 2112.11777v1 · doi: 10.48550/arxiv.2112.11777 · pith_short_12: 6CQZLJPZAILS · pith_short_16: 6CQZLJPZAILSI4RH · pith_short_8: 6CQZLJPZ

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/6CQZLJPZAILSI4RH2CILYCOIBF \
  | 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: f0a195a5f90217247227d090bc09c809617426cd23ca4cae2f2c40c12aff442a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "137fc6612b9c3fb4f46e0af513fcc29634ca726c981c5957114b153644be8447",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2021-12-22T10:29:51Z",
    "title_canon_sha256": "7d1f3b5b2b50ac22c4a877381c1e8749e0ee0d90f606ae33ed6c61a22912fb77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.11777",
    "kind": "arxiv",
    "version": 1
  }
}