Pith Number

pith:BANNUVRB

pith:2018:BANNUVRBIXLSGNLEWMZXR2AS3Y

not attested not anchored not stored refs pending

Open Source Development Around the World: A Comparative Study

Cuiting Chen, Gustavo Pinto, Magiel Bruntink, Marco Tulio Valente, Thais Mombach

arxiv:1805.01342 v1 · 2018-05-03 · cs.SE · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BANNUVRBIXLSGNLEWMZXR2AS3Y}

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	2026-05-18T00:16:51.678523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

081ada562145d7233564b33378e812de37e138bea1951c03e55d7be819e6cf8c

Aliases

arxiv: 1805.01342 · arxiv_version: 1805.01342v1 · doi: 10.48550/arxiv.1805.01342 · pith_short_12: BANNUVRBIXLS · pith_short_16: BANNUVRBIXLSGNLE · pith_short_8: BANNUVRB

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/BANNUVRBIXLSGNLEWMZXR2AS3Y \
  | 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: 081ada562145d7233564b33378e812de37e138bea1951c03e55d7be819e6cf8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef1fd10bf577a22f125ff4ff1ba66e76399a28260b20dc9c104414f4ef2cdffc",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-05-03T14:52:18Z",
    "title_canon_sha256": "9e218809c0bfa1e032819c687e02ed8d086175fe2baf0b1bd1974a7930d08c95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01342",
    "kind": "arxiv",
    "version": 1
  }
}