Pith Number

pith:FJVIODJ6

pith:2020:FJVIODJ6NFYJCOFLMVOALLZT7H

not attested not anchored not stored refs pending

Nota T\'ecnica dos Modelos Implementados pelo Coletivo Covid19br para Proje\c{c}\~oes de Cen\'arios Futuros da Pandemia COVID-19 no Brasil

Alcides Carlos de Ara\'ujo, Andr\'e Luiz Nunes Martins, Andr\'e Marques dos Santos, Carolina Ferreira da Silva, Cristiane Schmitz, Daniel Severo, Di\'ogenes Adriano Rizzoto Justo, Felipe Brum de Brito Sousa, Gabriel Domingos de Arruda, Gabriel Mendes Cabral Gondim, Giovanna Ferraresso, Giuliano Netto Flores Cruz, Joao Ricardo Vissoci, Marcel Figueredo S. Figueredo, Rafael Prudencio Moreira, Ralf Lima da Costa, Vito Ribeiro Venturieri

arxiv:2004.13488 v1 · 2020-04-26 · physics.soc-ph · 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{FJVIODJ6NFYJCOFLMVOALLZT7H}

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	2026-07-05T00:59:00.102269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a6a870d3e69709138ab655c05af33f9d15a6d6e7d0ed067e759cd9b12762e0b

Aliases

arxiv: 2004.13488 · arxiv_version: 2004.13488v1 · doi: 10.48550/arxiv.2004.13488 · pith_short_12: FJVIODJ6NFYJ · pith_short_16: FJVIODJ6NFYJCOFL · pith_short_8: FJVIODJ6

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/FJVIODJ6NFYJCOFLMVOALLZT7H \
  | 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: 2a6a870d3e69709138ab655c05af33f9d15a6d6e7d0ed067e759cd9b12762e0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa5d35596d36a4c2c444d494efbdc2ef8db8d33c75e81d7e263573d36c3f5dc7",
    "cross_cats_sorted": [
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2020-04-26T03:34:39Z",
    "title_canon_sha256": "71c36a8df93f9966a9b23067dea4cf68595dce27f97f8e7b419e10a2a83b9ee5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.13488",
    "kind": "arxiv",
    "version": 1
  }
}