Pith Number

pith:7FLNGKHW

pith:2020:7FLNGKHWDTLZ7CSNEVILFHDMRY

not attested not anchored not stored refs pending

Power-law distribution in the number of confirmed COVID-19 cases

Bernd Blasius

arxiv:2004.00940 v2 · 2020-04-02 · q-bio.PE · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7FLNGKHWDTLZ7CSNEVILFHDMRY}

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.

Cited by

1 paper in Pith

On the transformation of the Maxwell-Boltzmann Distribution to a Power-Law

Receipt and verification

First computed	2026-07-05T01:37:08.100648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f956d328f61cd79f8a4d2550b29c6c8e294276890d9bfc5602ee42dded6877a0

Aliases

arxiv: 2004.00940 · arxiv_version: 2004.00940v2 · doi: 10.48550/arxiv.2004.00940 · pith_short_12: 7FLNGKHWDTLZ · pith_short_16: 7FLNGKHWDTLZ7CSN · pith_short_8: 7FLNGKHW

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/7FLNGKHWDTLZ7CSNEVILFHDMRY \
  | 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: f956d328f61cd79f8a4d2550b29c6c8e294276890d9bfc5602ee42dded6877a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "846fd8caab09f7757575afea5c10c5da125e66689f9977ae591110b4fd2c724d",
    "cross_cats_sorted": [
      "nlin.AO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2020-04-02T11:22:33Z",
    "title_canon_sha256": "06408fdddfb2758da0f295d093dd56e0f0567cefc47085ea787bb0681df26b14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.00940",
    "kind": "arxiv",
    "version": 2
  }
}