Pith Number

pith:O6LQAB6G

pith:2018:O6LQAB6GXWH7SJQH4SRDCV7LFG

not attested not anchored not stored refs pending

Political Discussion and Leanings on Twitter: the 2016 Italian Constitutional Referendum

Davide Colombi, Enrico Ubaldi, Flavio Iannelli, Jacopo Bindi, Michele Sugarelli, Nicola Politi, Raffaele Tavarone

arxiv:1805.07388 v1 · 2018-05-18 · physics.soc-ph · 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{O6LQAB6GXWH7SJQH4SRDCV7LFG}

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	2026-05-18T00:15:35.876748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77970007c6bd8ff92607e4a23157eb29a7f5b8689573670b7bad7b5bfbdbb2b0

Aliases

arxiv: 1805.07388 · arxiv_version: 1805.07388v1 · doi: 10.48550/arxiv.1805.07388 · pith_short_12: O6LQAB6GXWH7 · pith_short_16: O6LQAB6GXWH7SJQH · pith_short_8: O6LQAB6G

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/O6LQAB6GXWH7SJQH4SRDCV7LFG \
  | 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: 77970007c6bd8ff92607e4a23157eb29a7f5b8689573670b7bad7b5bfbdbb2b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7f1699bc602abbe4588f5e4c631820e5cbdcfed10e3fd539a8e21dfc8338c8c",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-05-18T18:39:27Z",
    "title_canon_sha256": "16f6a18b8a8f11eeb13f4078faeafdaa356b1fd791734ff60f1c95b0e420be97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07388",
    "kind": "arxiv",
    "version": 1
  }
}