Pith Number

pith:MQW65KZS

pith:2019:MQW65KZSCFNY46Z6T2LQLKEGBP

not attested not anchored not stored refs pending

Analyzing Polarization in Social Media: Method and Application to Tweets on 21 Mass Shootings

Dan Jurafsky, Dorottya Demszky, James Zou, Jesse Shapiro, Matthew Gentzkow, Nikhil Garg, Rob Voigt

arxiv:1904.01596 v2 · 2019-04-02 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MQW65KZSCFNY46Z6T2LQLKEGBP}

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	2026-05-17T23:49:24.330746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

642deeab32115b8e7b3e9e9705a8860be0c2191f76c0d7c96b5cbc06f49f5a0a

Aliases

arxiv: 1904.01596 · arxiv_version: 1904.01596v2 · doi: 10.48550/arxiv.1904.01596 · pith_short_12: MQW65KZSCFNY · pith_short_16: MQW65KZSCFNY46Z6 · pith_short_8: MQW65KZS

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/MQW65KZSCFNY46Z6T2LQLKEGBP \
  | 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: 642deeab32115b8e7b3e9e9705a8860be0c2191f76c0d7c96b5cbc06f49f5a0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fac56489885ea95e29f7b490c73b94d3169c16051ec5b3235e8c44614b04aee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-04-02T18:00:09Z",
    "title_canon_sha256": "493062928e98ef56539a2e873c82b5504688469dc488e91f983f88fd004d27a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01596",
    "kind": "arxiv",
    "version": 2
  }
}