Pith Number

pith:GZ4YJ2RK

pith:2017:GZ4YJ2RKQY7I32W5BCLNNITQ3D

not attested not anchored not stored refs pending

Contagion dynamics of extremist propaganda in social networks

Emilio Ferrara

arxiv:1701.08170 v2 · 2017-01-27 · cs.SI · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GZ4YJ2RKQY7I32W5BCLNNITQ3D}

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	2026-05-18T00:42:51.330255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

367984ea2a863e8deadd0896d6a270d8f9ecd3dfbb52c3272274ec93e660a4f7

Aliases

arxiv: 1701.08170 · arxiv_version: 1701.08170v2 · doi: 10.48550/arxiv.1701.08170 · pith_short_12: GZ4YJ2RKQY7I · pith_short_16: GZ4YJ2RKQY7I32W5 · pith_short_8: GZ4YJ2RK

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/GZ4YJ2RKQY7I32W5BCLNNITQ3D \
  | 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: 367984ea2a863e8deadd0896d6a270d8f9ecd3dfbb52c3272274ec93e660a4f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78b21d53669c3bb7faf57e6d2176338e1db891f5917ac776dda217a7df7af360",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2017-01-27T19:01:31Z",
    "title_canon_sha256": "8783a0fd223a2ea57412fe8a1cfd506df732eaf45205ca25011bc47171b92249"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08170",
    "kind": "arxiv",
    "version": 2
  }
}