Pith Number

pith:5R2J755M

pith:2020:5R2J755MD3LCYIAHV4YKUOQACM

not attested not anchored not stored refs pending

The challenges of containing SARS-CoV-2 via test-trace-and-isolate

F. Paul Spitzner, Johannes Zierenberg, Jonas Dehning, Jorge H.Urrea-Quintero, Matthias Loidolt, Michael Wibral, Michael Wilczek, Sebastian B. Mohr, Sebastian Contreras, Viola Priesemann

arxiv:2009.05732 v2 · 2020-09-12 · 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{5R2J755MD3LCYIAHV4YKUOQACM}

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	2026-07-05T02:09:12.668282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec749ff7ac1ed62c2007af30aa3a00131fbeaf7ed0e2c9b8e385c9f8c30ae209

Aliases

arxiv: 2009.05732 · arxiv_version: 2009.05732v2 · doi: 10.48550/arxiv.2009.05732 · pith_short_12: 5R2J755MD3LC · pith_short_16: 5R2J755MD3LCYIAH · pith_short_8: 5R2J755M

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/5R2J755MD3LCYIAHV4YKUOQACM \
  | 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: ec749ff7ac1ed62c2007af30aa3a00131fbeaf7ed0e2c9b8e385c9f8c30ae209

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3865b4d2d61e7c42edf07e9d9aa9700024bbe60e8c4f52af69bd99c2a37dc6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2020-09-12T05:53:48Z",
    "title_canon_sha256": "4e4581967ad0dce33eded4f1e912c1ff71239379abd6442a0880bc172da85b1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.05732",
    "kind": "arxiv",
    "version": 2
  }
}