Pith Number

pith:CYAI4PPS

pith:2023:CYAI4PPS6YX3GOPIVJ65VTSYUC

not attested not anchored not stored refs pending

Correction of Italian under-reporting in the first COVID-19 wave via age-specific deconvolution of hospital admissions

Giuseppe De Nicolao, Simone Milanesi

arxiv:2307.09978 v1 · 2023-07-19 · 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{CYAI4PPS6YX3GOPIVJ65VTSYUC}

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	2026-07-05T06:33:22.588242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16008e3df2f62fb339e8aa7ddace58a09a9798c07336163a4070eb58b8eb53e9

Aliases

arxiv: 2307.09978 · arxiv_version: 2307.09978v1 · doi: 10.48550/arxiv.2307.09978 · pith_short_12: CYAI4PPS6YX3 · pith_short_16: CYAI4PPS6YX3GOPI · pith_short_8: CYAI4PPS

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/CYAI4PPS6YX3GOPIVJ65VTSYUC \
  | 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: 16008e3df2f62fb339e8aa7ddace58a09a9798c07336163a4070eb58b8eb53e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03f05c1bc046b7b8680d1b0557f567ee871ed3f2beb8a7591db493833af50cb3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2023-07-19T13:35:54Z",
    "title_canon_sha256": "1c1a86f7cad4db9d7d5ce6a4d3f1954f3943d0ed0782cdb098c9463498ee99c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.09978",
    "kind": "arxiv",
    "version": 1
  }
}