Pith Number

pith:Z5UACUWE

pith:2020:Z5UACUWEBWUHCYBKSS5ZWJQJ6R

not attested not anchored not stored refs pending

Shut and re-open: the role of schools in the spread of COVID-19 in Europe

Francesca Scarabel, Helena B. Stage, Joseph Shingleton, Lorenzo Pellis, Sanmitra Ghosh, Thomas Finnie

arxiv:2006.14158 v2 · 2020-06-25 · q-bio.PE · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z5UACUWEBWUHCYBKSS5ZWJQJ6R}

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	2026-07-05T03:32:48.785258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf680152c40da871602a94bb9b2609f453004f293b9f5df10560914836221671

Aliases

arxiv: 2006.14158 · arxiv_version: 2006.14158v2 · doi: 10.48550/arxiv.2006.14158 · pith_short_12: Z5UACUWEBWUH · pith_short_16: Z5UACUWEBWUHCYBK · pith_short_8: Z5UACUWE

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/Z5UACUWEBWUHCYBKSS5ZWJQJ6R \
  | 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: cf680152c40da871602a94bb9b2609f453004f293b9f5df10560914836221671

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a95b5b92d7a2fda3d7ef89cd1df92475af6303ca078d3a399f36d7e278e366f1",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2020-06-25T03:56:36Z",
    "title_canon_sha256": "3683444f3438213791819ae41ca900d931fab1d8e8c587ebece0bed8c94a7ff5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.14158",
    "kind": "arxiv",
    "version": 2
  }
}