Pith Number

pith:QKC77X2W

pith:2003:QKC77X2WG4SMXJZUW4LYEBXZPY

not attested not anchored not stored refs pending

Hierarchical Small Worlds in Software Architecture

Ricard V. Sole, Sergi Valverde

arxiv:cond-mat/0307278 v2 · 2003-07-11 · cond-mat.dis-nn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QKC77X2WG4SMXJZUW4LYEBXZPY}

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.

Cited by

1 paper in Pith

Mining a Decade of Event Impacts on Contributor Dynamics in Ethereum: A Longitudinal Study

Receipt and verification

First computed	2026-07-04T15:52:05.543962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8285ffdf563724cba734b7178206f97e1d21dbf0a64cee584264947ffe278dad

Aliases

arxiv: cond-mat/0307278 · arxiv_version: cond-mat/0307278v2 · doi: 10.48550/arxiv.cond-mat/0307278 · pith_short_12: QKC77X2WG4SM · pith_short_16: QKC77X2WG4SMXJZU · pith_short_8: QKC77X2W

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/QKC77X2WG4SMXJZUW4LYEBXZPY \
  | 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: 8285ffdf563724cba734b7178206f97e1d21dbf0a64cee584264947ffe278dad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32219462be549b3838ec5fe639ccab272656404d0583c7ddd61f8734dde300a5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2003-07-11T11:33:36Z",
    "title_canon_sha256": "6ada75427228dcf7366b034dc1dd515388b90d2c8d738f59608cdc509d10115e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0307278",
    "kind": "arxiv",
    "version": 2
  }
}