Pith Number

pith:SD3CSWWP

pith:2019:SD3CSWWP4REQXUFYP4QK53TVOP

not attested not anchored not stored refs pending

Variational principle for scale-free network motifs

Clara Stegehuis, Johan S. H. van Leeuwaarden, Remco van der Hofstad

arxiv:1904.08114 v1 · 2019-04-17 · cs.SI · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SD3CSWWP4REQXUFYP4QK53TVOP}

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	2026-05-17T23:45:19.928060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90f6295acfe4490bd0b87f20aeee7573c96e074ab9121f8e02416f0af745b50c

Aliases

arxiv: 1904.08114 · arxiv_version: 1904.08114v1 · doi: 10.48550/arxiv.1904.08114 · pith_short_12: SD3CSWWP4REQ · pith_short_16: SD3CSWWP4REQXUFY · pith_short_8: SD3CSWWP

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/SD3CSWWP4REQXUFYP4QK53TVOP \
  | 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: 90f6295acfe4490bd0b87f20aeee7573c96e074ab9121f8e02416f0af745b50c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca960bec4bbc9138f02214ca266c79c2269d431a018887e8f85c730636e9b30c",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2019-04-17T07:54:06Z",
    "title_canon_sha256": "4faeaea6a6c415a8a8f9d612dfa1bea1583a9a17325af2d88f5eec9a770c9d2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08114",
    "kind": "arxiv",
    "version": 1
  }
}