Pith Number

pith:V7LDGL63

pith:2020:V7LDGL6364IA4KQ7SX5TVZWOAI

not attested not anchored not stored refs pending

The COVID-19 Infodemic: Twitter versus Facebook

Christopher Torres-Lugo, David Axelrod, Filippo Menczer, Francesco Pierri, John Bryden, Kai-Cheng Yang, Pik-Mai Hui

arxiv:2012.09353 v2 · 2020-12-17 · cs.SI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V7LDGL6364IA4KQ7SX5TVZWOAI}

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	2026-07-05T02:28:54.450590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afd6332fdbf7100e2a1f95fb3ae6ce0232c7b3e60c703e9325c6552ee8b41c4d

Aliases

arxiv: 2012.09353 · arxiv_version: 2012.09353v2 · doi: 10.48550/arxiv.2012.09353 · pith_short_12: V7LDGL6364IA · pith_short_16: V7LDGL6364IA4KQ7 · pith_short_8: V7LDGL63

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/V7LDGL6364IA4KQ7SX5TVZWOAI \
  | 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: afd6332fdbf7100e2a1f95fb3ae6ce0232c7b3e60c703e9325c6552ee8b41c4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4021ea325b6b2bfff42d1e14f73ddfa1060c1a6305a1fc38acf142286f16ea9b",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2020-12-17T02:00:43Z",
    "title_canon_sha256": "42cb58eb40c8eae57b546abd6fa690e6c634c15393e3da9bf72543786616f0ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.09353",
    "kind": "arxiv",
    "version": 2
  }
}