Pith Number

pith:5ZHGGY2U

pith:2021:5ZHGGY2UJCBSZIFVXQZGHJTG3M

not attested not anchored not stored refs pending

Sentinel node approach to monitoring online COVID-19 misinformation

Erik C. Nisbet, Joseph H. Tien, Matthew T. Osborne, Robert M. Bond, Samuel S. Malloy

arxiv:2112.01379 v1 · 2021-12-02 · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ZHGGY2UJCBSZIFVXQZGHJTG3M}

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	2026-07-05T03:37:08.826101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee4e63635448832ca0b5bc3263a666db36fde988c052a66e3ab72c316f7031f4

Aliases

arxiv: 2112.01379 · arxiv_version: 2112.01379v1 · doi: 10.48550/arxiv.2112.01379 · pith_short_12: 5ZHGGY2UJCBS · pith_short_16: 5ZHGGY2UJCBSZIFV · pith_short_8: 5ZHGGY2U

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/5ZHGGY2UJCBSZIFVXQZGHJTG3M \
  | 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: ee4e63635448832ca0b5bc3263a666db36fde988c052a66e3ab72c316f7031f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a53adc56c95550a0aaa78f875295b4d445336cc67c0b54518dc6d91c3cbb461",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2021-12-02T16:12:38Z",
    "title_canon_sha256": "f54144f0fd16b3a9d974cbc19faa913a6c662a9d91b46ebe4f0ee9c8a79e16d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.01379",
    "kind": "arxiv",
    "version": 1
  }
}