Pith Number

pith:GGFCQ7SB

pith:2020:GGFCQ7SBCZEMOCTSHSFYU7IPQ6

not attested not anchored not stored refs pending

Two Burning Questions on COVID-19: Did shutting down the economy help? Can we (partially) reopen the economy without risking the second wave?

Abdullah Alomar, Anish Agarwal, Arnab Sarker, Cindy Yang, Dennis Shen, Devavrat Shah

arxiv:2005.00072 v2 · 2020-04-30 · econ.EM · cs.LG · 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{GGFCQ7SBCZEMOCTSHSFYU7IPQ6}

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	2026-07-05T01:01:40.750876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

318a287e411648c70a723c8b8a7d0f87b8fe0f89246af0c589ffd0f348c45a6b

Aliases

arxiv: 2005.00072 · arxiv_version: 2005.00072v2 · doi: 10.48550/arxiv.2005.00072 · pith_short_12: GGFCQ7SBCZEM · pith_short_16: GGFCQ7SBCZEMOCTS · pith_short_8: GGFCQ7SB

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/GGFCQ7SBCZEMOCTSHSFYU7IPQ6 \
  | 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: 318a287e411648c70a723c8b8a7d0f87b8fe0f89246af0c589ffd0f348c45a6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "183f8788df1cbe6eaf28da0f1e330ddcbbc36ba35e1bbe6317bd9a8eb9d0a878",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2020-04-30T19:39:34Z",
    "title_canon_sha256": "70dbcda4fa355d5adba09a8f3804696dcb99daedd2dc17890f136281b62d4bc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.00072",
    "kind": "arxiv",
    "version": 2
  }
}