Pith Number

pith:25QDOKSF

pith:2023:25QDOKSFS7DGM5FH7L62XD5QPV

not attested not anchored not stored refs pending

Modeling the Risk of In-Person Instruction during the COVID-19 Pandemic

Brian Liu, David B. Shmoys, Peter I. Frazier, Shane G. Henderson, Yujia Zhang

arxiv:2310.04563 v2 · 2023-10-06 · stat.AP · math.OC · physics.soc-ph · q-bio.QM · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{25QDOKSFS7DGM5FH7L62XD5QPV}

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	2026-07-05T07:47:05.617571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d760372a4597c66674a7fafdab8fb07d4809278fba0c8c03c6abf4cc29c3fa2d

Aliases

arxiv: 2310.04563 · arxiv_version: 2310.04563v2 · doi: 10.48550/arxiv.2310.04563 · pith_short_12: 25QDOKSFS7DG · pith_short_16: 25QDOKSFS7DGM5FH · pith_short_8: 25QDOKSF

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/25QDOKSFS7DGM5FH7L62XD5QPV \
  | 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: d760372a4597c66674a7fafdab8fb07d4809278fba0c8c03c6abf4cc29c3fa2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4964e4967c160dcb04827d3c692bc32272d352b5641877c5138ffe858d33279b",
    "cross_cats_sorted": [
      "math.OC",
      "physics.soc-ph",
      "q-bio.QM",
      "stat.ME"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2023-10-06T20:00:43Z",
    "title_canon_sha256": "3c1eb74f0c62fe448ae96d15efd1532d79465b4a5d9ff9da774e471c2502f4a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.04563",
    "kind": "arxiv",
    "version": 2
  }
}