pith. sign in
Pith Number

pith:BKG5FXKB

pith:2018:BKG5FXKBNQFHW7654A3KFZXI43
not attested not anchored not stored refs pending

What is Gab? A Bastion of Free Speech or an Alt-Right Echo Chamber?

Barry Bradlyn, Emiliano De Cristofaro, Gianluca Stringhini, Haewoon Kwak, Jeremy Blackburn, Michael Sirivianos, Savvas Zannettou

arxiv:1802.05287 v2 · 2018-02-14 · cs.SI · cs.CY

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BKG5FXKBNQFHW7654A3KFZXI43}

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 2026-05-18T00:07:27.935943Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0a8dd2dd416c0a7b7fdde036a2e6e8e6f483fa6258286807e42fa49fa227efa3

Aliases

arxiv: 1802.05287 · arxiv_version: 1802.05287v2 · doi: 10.48550/arxiv.1802.05287 · pith_short_12: BKG5FXKBNQFH · pith_short_16: BKG5FXKBNQFHW765 · pith_short_8: BKG5FXKB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BKG5FXKBNQFHW7654A3KFZXI43 \
  | 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: 0a8dd2dd416c0a7b7fdde036a2e6e8e6f483fa6258286807e42fa49fa227efa3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4996038a977b9c78e57c49d335345e7ad029319191bc755a18342523df5db898",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-02-14T19:05:08Z",
    "title_canon_sha256": "7632f96562140b123663423eada9ccadf7ef5d3b3f2ca54faa214a82824ca903"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05287",
    "kind": "arxiv",
    "version": 2
  }
}