Pith Number

pith:75J46WDP

pith:2010:75J46WDPSPGJU2N3SMWIPQGDOV

not attested not anchored not stored refs pending

Evolution of surname distribution under gender-equality measurements

L.F. Lafuerza, R. Toral

arxiv:1011.1774 v1 · 2010-11-08 · physics.soc-ph · 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{75J46WDPSPGJU2N3SMWIPQGDOV}

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	2026-05-18T02:04:50.449392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff53cf586f93cc9a69bb932c87c0c37570f4fdfc892b3370e3ba60da01279212

Aliases

arxiv: 1011.1774 · arxiv_version: 1011.1774v1 · doi: 10.48550/arxiv.1011.1774 · pith_short_12: 75J46WDPSPGJ · pith_short_16: 75J46WDPSPGJU2N3 · pith_short_8: 75J46WDP

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/75J46WDPSPGJU2N3SMWIPQGDOV \
  | 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: ff53cf586f93cc9a69bb932c87c0c37570f4fdfc892b3370e3ba60da01279212

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2020135b42761cb8c3d2307078a6d226320674edb69f5737085616b204d9400",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2010-11-08T11:13:20Z",
    "title_canon_sha256": "0bdba88b5a7b7cd63fa03a2cb0b3dc28e2255044a583ce970735e11a22d028f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1774",
    "kind": "arxiv",
    "version": 1
  }
}