Pith Number

pith:3QCG4CDJ

pith:2012:3QCG4CDJPER7RK7PXZDLJHBJRI

not attested not anchored not stored refs pending

Power Law Distributions of Patents as Indicators of Innovation

D. R. J. O'Neale, S. C. Hendy

arxiv:1204.6549 v1 · 2012-04-30 · 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{3QCG4CDJPER7RK7PXZDLJHBJRI}

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	2026-05-18T01:57:42.529500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc046e08697923f8abefbe46b49c298a159b74924120fc337718a242cb48f722

Aliases

arxiv: 1204.6549 · arxiv_version: 1204.6549v1 · doi: 10.48550/arxiv.1204.6549 · pith_short_12: 3QCG4CDJPER7 · pith_short_16: 3QCG4CDJPER7RK7P · pith_short_8: 3QCG4CDJ

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/3QCG4CDJPER7RK7PXZDLJHBJRI \
  | 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: dc046e08697923f8abefbe46b49c298a159b74924120fc337718a242cb48f722

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8557ef4f69b91b4cac672f0abea6b6ed74de3d783ac4b5e2189c8f19e24042a7",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2012-04-30T04:23:01Z",
    "title_canon_sha256": "8ad060b76dfb67fd8ec3e08c0a32562139729fb93f5ae7677e998c60c6ba8e7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.6549",
    "kind": "arxiv",
    "version": 1
  }
}