Pith Number

pith:QSD5E63X

pith:2009:QSD5E63XOESB7NMNDYZFYFPBFJ

not attested not anchored not stored refs pending

Competition for Popularity in Bipartite Networks

Jukka-Pekka Onnela, Mariano Beguerisse-Diaz, Mason A. Porter

arxiv:0906.4675 v2 · 2009-06-25 · physics.soc-ph · cs.SI · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QSD5E63XOESB7NMNDYZFYFPBFJ}

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	2026-05-18T03:13:58.650128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8487d27b7771241fb58d1e325c15e12a54901354a934e99fcf270f3a4e2516a0

Aliases

arxiv: 0906.4675 · arxiv_version: 0906.4675v2 · doi: 10.48550/arxiv.0906.4675 · pith_short_12: QSD5E63XOESB · pith_short_16: QSD5E63XOESB7NMN · pith_short_8: QSD5E63X

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/QSD5E63XOESB7NMNDYZFYFPBFJ \
  | 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: 8487d27b7771241fb58d1e325c15e12a54901354a934e99fcf270f3a4e2516a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea5c228937c49b433775305b9dd3b615d2f441143fd46c12997edadbf2442f1a",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2009-06-25T12:40:19Z",
    "title_canon_sha256": "fcbbc09adefb4f076fa087b0bb8afea61dccbf6799aac7b635d12da541f71f99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4675",
    "kind": "arxiv",
    "version": 2
  }
}