Pith Number

pith:B5N3COQZ

pith:2021:B5N3COQZWJZ5UMMZ64BDRSVTUI

not attested not anchored not stored refs pending

Characterizing the Landscape of COVID-19 Themed Cyberattacks and Defenses

Kristin M. Schweitzer, Min Xu, Mir Mehedi Ahsan Pritom, Raymond M. Bateman, Shouhuai Xu

arxiv:2102.13223 v1 · 2021-02-25 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B5N3COQZWJZ5UMMZ64BDRSVTUI}

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	2026-07-05T02:18:35.203190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f5bb13a19b273da3199f70238cab3a21f036536aaafcb39810f678e96df2668

Aliases

arxiv: 2102.13223 · arxiv_version: 2102.13223v1 · doi: 10.48550/arxiv.2102.13223 · pith_short_12: B5N3COQZWJZ5 · pith_short_16: B5N3COQZWJZ5UMMZ · pith_short_8: B5N3COQZ

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/B5N3COQZWJZ5UMMZ64BDRSVTUI \
  | 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: 0f5bb13a19b273da3199f70238cab3a21f036536aaafcb39810f678e96df2668

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "300186d9fbc5c9aa535797b0546b8cc562f3ad70e932190c376d225574986227",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-02-25T23:11:12Z",
    "title_canon_sha256": "ca05e789cf5e747f084a8a65968d191a657dc7b43b452b13599541e723896e8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.13223",
    "kind": "arxiv",
    "version": 1
  }
}