Pith Number

pith:5NPNZM3H

pith:2021:5NPNZM3HFF3ZO6BAYS376WYTER

not attested not anchored not stored refs pending

Modeling the Evolution of Infectious Diseases with Functional Data Models: The Case of COVID-19 in Brazil

Julian A. A. Collazos, Marcelo C. Medeiros, Ronaldo Dias

arxiv:2109.01952 v1 · 2021-09-04 · 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{5NPNZM3HFF3ZO6BAYS376WYTER}

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	2026-07-05T03:11:36.753162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb5edcb3672977977820c4b7ff5b132472f091e0871b9a615509d4b37200a43d

Aliases

arxiv: 2109.01952 · arxiv_version: 2109.01952v1 · doi: 10.48550/arxiv.2109.01952 · pith_short_12: 5NPNZM3HFF3Z · pith_short_16: 5NPNZM3HFF3ZO6BA · pith_short_8: 5NPNZM3H

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/5NPNZM3HFF3ZO6BAYS376WYTER \
  | 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: eb5edcb3672977977820c4b7ff5b132472f091e0871b9a615509d4b37200a43d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3852410f93a0b7f0c04ff2733f9ffe38747870cb2449fda3d645394ffa4fbbc2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2021-09-04T23:58:05Z",
    "title_canon_sha256": "8b50b0375daafdc7d51071d697666a78826251d2b0b0d62a12d35bad75ae5b2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.01952",
    "kind": "arxiv",
    "version": 1
  }
}