Pith Number

pith:7AYHQLSY

pith:2018:7AYHQLSYCX3DDQDLDAGSL77H4L

not attested not anchored not stored refs pending

Modelling Opinion Dynamics in the Age of Algorithmic Personalisation

Luis E C Rocha, Nicola Perra

arxiv:1811.03341 v1 · 2018-11-08 · 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{7AYHQLSYCX3DDQDLDAGSL77H4L}

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	2026-05-18T00:01:16.956756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f830782e5815f631c06b180d25ffe7e2e8499d1b795766b5ed7350a2ba3632a2

Aliases

arxiv: 1811.03341 · arxiv_version: 1811.03341v1 · doi: 10.48550/arxiv.1811.03341 · pith_short_12: 7AYHQLSYCX3D · pith_short_16: 7AYHQLSYCX3DDQDL · pith_short_8: 7AYHQLSY

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/7AYHQLSYCX3DDQDLDAGSL77H4L \
  | 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: f830782e5815f631c06b180d25ffe7e2e8499d1b795766b5ed7350a2ba3632a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1305fbd66359e07c44ce051a046ba0353992dc8dd7abd555289a5db25919866d",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-11-08T10:19:40Z",
    "title_canon_sha256": "17b063360acfaf7dfc29c4d13d6ffe9546a2119538c6cce57413545e4a537ef2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03341",
    "kind": "arxiv",
    "version": 1
  }
}