Pith Number

pith:2ZIIPAIE

pith:2021:2ZIIPAIEPZKH2J2J6JEFXGONL2

not attested not anchored not stored refs pending

Slipping to the Extreme: A Mixed Method to Explain How Extreme Opinions Infiltrate Online Discussions

Amelia Johns, Emily Booth, Francesco Bailo, Marian-Andrei Rizoiu, Quyu Kong

arxiv:2109.00302 v3 · 2021-09-01 · 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{2ZIIPAIEPZKH2J2J6JEFXGONL2}

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	2026-07-05T04:20:15.858162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6508781047e547d2749f2485b99cd5ea783bc81eab953e4c3ec71acb3846ae4

Aliases

arxiv: 2109.00302 · arxiv_version: 2109.00302v3 · doi: 10.48550/arxiv.2109.00302 · pith_short_12: 2ZIIPAIEPZKH · pith_short_16: 2ZIIPAIEPZKH2J2J · pith_short_8: 2ZIIPAIE

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/2ZIIPAIEPZKH2J2J6JEFXGONL2 \
  | 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: d6508781047e547d2749f2485b99cd5ea783bc81eab953e4c3ec71acb3846ae4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0faed7b4c36f9ab5f8d5287fe1017fe06d20a550f7bd4c9803d10c0fe881672",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2021-09-01T11:01:46Z",
    "title_canon_sha256": "f13f4fbd5c34cd33aed6b115b2298841fc260b5e3ad3e037bb0c1697874fa7e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.00302",
    "kind": "arxiv",
    "version": 3
  }
}