Pith Number

pith:CNUKTIC4

pith:2020:CNUKTIC4FPMAGHDYRRH6Z4GGFD

not attested not anchored not stored refs pending

Infection fatality ratio of SARS-CoV-2 in Italy

Alessandra Piatti, Alessia Melegaro, Danilo Cereda, Filippo Trentini, Giacomo Grasselli, Giorgio Guzzetta, Lucia Crottogini, Marcello Tirani, Marco Ajelli, Maria Gramegna, Piero Poletti, Raffaella Piccarreta, Sabrina Buoro, Simona Riboli, Stefano Merler, Valentina Marziano

arxiv:2007.04381 v1 · 2020-07-08 · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CNUKTIC4FPMAGHDYRRH6Z4GGFD}

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	2026-07-05T03:58:00.181784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1368a9a05c2bd8031c788c4fecf0c628d8f459a94eed4602603e37725300e8dc

Aliases

arxiv: 2007.04381 · arxiv_version: 2007.04381v1 · doi: 10.48550/arxiv.2007.04381 · pith_short_12: CNUKTIC4FPMA · pith_short_16: CNUKTIC4FPMAGHDY · pith_short_8: CNUKTIC4

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/CNUKTIC4FPMAGHDYRRH6Z4GGFD \
  | 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: 1368a9a05c2bd8031c788c4fecf0c628d8f459a94eed4602603e37725300e8dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f86f5bd4589f0081c949513449d447770b8125f23e485c04acd8a28be451460",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2020-07-08T19:16:08Z",
    "title_canon_sha256": "5622540c5eb0f7c5390a79c44cbf103d5ac1e240a2449c8d6813ffc74608875a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.04381",
    "kind": "arxiv",
    "version": 1
  }
}