Pith Number

pith:Z75DM4JI

pith:2012:Z75DM4JIRHZMECR3R5G3NDM7JO

not attested not anchored not stored refs pending

A Network Perspective on Software Modularity

Frank Schweitzer, Marcelo Serrano Zanetti

arxiv:1201.3771 v6 · 2012-01-18 · cs.SE · cs.SI · nlin.AO · 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{Z75DM4JIRHZMECR3R5G3NDM7JO}

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	2026-05-18T03:32:08.051856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cffa36712889f2c20a3b8f4db68d9f4ba42bb7966df0390533bdab55459bef75

Aliases

arxiv: 1201.3771 · arxiv_version: 1201.3771v6 · doi: 10.48550/arxiv.1201.3771 · pith_short_12: Z75DM4JIRHZM · pith_short_16: Z75DM4JIRHZMECR3 · pith_short_8: Z75DM4JI

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/Z75DM4JIRHZMECR3R5G3NDM7JO \
  | 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: cffa36712889f2c20a3b8f4db68d9f4ba42bb7966df0390533bdab55459bef75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c84ff06fc6b6a250445272cdf6410f1b56507ed23b6096974a337625208bd32",
    "cross_cats_sorted": [
      "cs.SI",
      "nlin.AO",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2012-01-18T12:37:30Z",
    "title_canon_sha256": "51d054b7edd111e20aacf066b390735385cc790a70138f6b90f939d2a15450a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3771",
    "kind": "arxiv",
    "version": 6
  }
}