Pith Number

pith:DDXR5RMW

pith:2020:DDXR5RMWGLCVU56RQOMSUGSOHA

not attested not anchored not stored refs pending

Analysis of the Impact of Mask-wearing in Viral Spread: Implications for COVID-19

Anirudh Sridhar, H. Vincent Poor, Osman Yagan, Yurun Tian

arxiv:2011.04208 v1 · 2020-11-09 · cs.SI · 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{DDXR5RMWGLCVU56RQOMSUGSOHA}

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	2026-07-05T01:50:03.381443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18ef1ec59632c55a77d183992a1a4e382f6783cecdb5d5667b3b13760337c31b

Aliases

arxiv: 2011.04208 · arxiv_version: 2011.04208v1 · doi: 10.48550/arxiv.2011.04208 · pith_short_12: DDXR5RMWGLCV · pith_short_16: DDXR5RMWGLCVU56R · pith_short_8: DDXR5RMW

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/DDXR5RMWGLCVU56RQOMSUGSOHA \
  | 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: 18ef1ec59632c55a77d183992a1a4e382f6783cecdb5d5667b3b13760337c31b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1d13671e323a2d0ab3b778ef757f80da1434f40b42b737e4e8344f8f7ebfd54",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2020-11-09T06:01:37Z",
    "title_canon_sha256": "4174f57e8594ab116bb82df5c5ade26ea023deb434ed59e4eafa98a2b00abbea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.04208",
    "kind": "arxiv",
    "version": 1
  }
}