Pith Number

pith:2HD6EFNM

pith:2018:2HD6EFNM2RCSUUQRWFIFW2VWCC

not attested not anchored not stored refs pending

Zipf and Heaps laws from dependency structures in component systems

Andrea Mazzolini, Eleonora de Lazzari, Jacopo Grilli, Marco Cosentino Lagomarsino, Marco Gherardi, Matteo Osella

arxiv:1801.06438 v1 · 2018-01-19 · physics.soc-ph · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2HD6EFNM2RCSUUQRWFIFW2VWCC}

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	2026-05-18T00:09:16.596055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1c7e215acd4452a5211b1505b6ab6108b93e27b071b0b9e10ea6d17a11974f7

Aliases

arxiv: 1801.06438 · arxiv_version: 1801.06438v1 · doi: 10.48550/arxiv.1801.06438 · pith_short_12: 2HD6EFNM2RCS · pith_short_16: 2HD6EFNM2RCSUUQR · pith_short_8: 2HD6EFNM

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/2HD6EFNM2RCSUUQRWFIFW2VWCC \
  | 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: d1c7e215acd4452a5211b1505b6ab6108b93e27b071b0b9e10ea6d17a11974f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45d325519cd45e2abe3b505ad52e078a7fee800bd72f7d5ffa8d7d8f27e4fde2",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-01-19T15:08:45Z",
    "title_canon_sha256": "c5bb670b020725a644d0f7ae91d172839e99df2171ff40f7417f094b6f4340e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06438",
    "kind": "arxiv",
    "version": 1
  }
}