Pith Number

pith:IG427IAQ

pith:2020:IG427IAQ3SNKXBBBIIYHNVXF4Q

not attested not anchored not stored refs pending

On the problem of comparing Covid-19 fatality rates

Fabio Miletto Granozio

arxiv:2004.03377 v1 · 2020-04-06 · q-bio.PE · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IG427IAQ3SNKXBBBIIYHNVXF4Q}

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	2026-07-05T00:53:25.492052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41b9afa010dc9aab8421423076d6e5e43e0190240d4cfa7bb4c468e99270263f

Aliases

arxiv: 2004.03377 · arxiv_version: 2004.03377v1 · doi: 10.48550/arxiv.2004.03377 · pith_short_12: IG427IAQ3SNK · pith_short_16: IG427IAQ3SNKXBBB · pith_short_8: IG427IAQ

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/IG427IAQ3SNKXBBBIIYHNVXF4Q \
  | 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: 41b9afa010dc9aab8421423076d6e5e43e0190240d4cfa7bb4c468e99270263f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96d62f632ff7b70e4d7248e0ed4bf5415f563db9d1ce9b23e283adf9cfb63a54",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2020-04-06T14:32:57Z",
    "title_canon_sha256": "21240bb73006ec5998e7cc9342f0dc158db5274d00d924d4cdccf302541e3bf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.03377",
    "kind": "arxiv",
    "version": 1
  }
}