Pith Number

pith:7MFKRLNA

pith:2015:7MFKRLNANHYTG5DJLHMQJN6PVG

not attested not anchored not stored refs pending

How do OSS projects change in number and size? A large-scale analysis to test a model of project growth

Claudio J. Tessone, Frank Schweitzer, Vahan Nanumyan, Xi Xia

arxiv:1506.06924 v1 · 2015-06-23 · 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{7MFKRLNANHYTG5DJLHMQJN6PVG}

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	2026-05-18T01:40:55.562308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb0aa8ada069f133746959d904b7cfa98428681be2d64601fbcd23e25aba6345

Aliases

arxiv: 1506.06924 · arxiv_version: 1506.06924v1 · doi: 10.48550/arxiv.1506.06924 · pith_short_12: 7MFKRLNANHYT · pith_short_16: 7MFKRLNANHYTG5DJ · pith_short_8: 7MFKRLNA

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/7MFKRLNANHYTG5DJLHMQJN6PVG \
  | 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: fb0aa8ada069f133746959d904b7cfa98428681be2d64601fbcd23e25aba6345

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce4420d52b7a7329548daaaece87d19c534602f346e2fade43fb71820e3b8b53",
    "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": "2015-06-23T09:42:57Z",
    "title_canon_sha256": "45b8809d21121ef0ff74112a88f65853064d8aa866ece8ba94ce5da53b7cada5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06924",
    "kind": "arxiv",
    "version": 1
  }
}