Pith Number

pith:3NHXIH5Y

pith:2020:3NHXIH5YHFYO3SESLOE6XO2YM6

not attested not anchored not stored refs pending

Infection dynamics of COVID-19 virus under lockdown and reopening

Andreas Pavlogiannis, Jakub Svoboda, Josef Tkadlec, Krishnendu Chatterjee, Martin A. Nowak

arxiv:2012.15155 v1 · 2020-12-30 · 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{3NHXIH5YHFYO3SESLOE6XO2YM6}

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	2026-07-05T04:21:02.847190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db4f741fb83970edc8925b89ebbb5867b2a57c13e41bc35cb5c29ea3d4e05c10

Aliases

arxiv: 2012.15155 · arxiv_version: 2012.15155v1 · doi: 10.48550/arxiv.2012.15155 · pith_short_12: 3NHXIH5YHFYO · pith_short_16: 3NHXIH5YHFYO3SES · pith_short_8: 3NHXIH5Y

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/3NHXIH5YHFYO3SESLOE6XO2YM6 \
  | 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: db4f741fb83970edc8925b89ebbb5867b2a57c13e41bc35cb5c29ea3d4e05c10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5e8bac4a22a9c04823061ef978878629b355b461758d6022841656df4d84fe3",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2020-12-30T13:44:01Z",
    "title_canon_sha256": "56fa857960cc02a15a6a568597e710ddab88b7c0ca460245a9c8f9befc4968f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.15155",
    "kind": "arxiv",
    "version": 1
  }
}