Pith Number

pith:IM4XN3MZ

pith:2015:IM4XN3MZSTMA27QVFPLBJ6BKHT

not attested not anchored not stored refs pending

Happy software developers solve problems better: psychological measurements in empirical software engineering

Daniel Graziotin, Pekka Abrahamsson (Free University of Bozen-Bolzano), Xiaofeng Wang

arxiv:1505.00922 v1 · 2015-05-05 · cs.SE · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IM4XN3MZSTMA27QVFPLBJ6BKHT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:16:59.580845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

433976ed9994d80d7e152bd614f82a3ccd8d53def6c160324b24e09f01c3da64

Aliases

arxiv: 1505.00922 · arxiv_version: 1505.00922v1 · doi: 10.48550/arxiv.1505.00922 · pith_short_12: IM4XN3MZSTMA · pith_short_16: IM4XN3MZSTMA27QV · pith_short_8: IM4XN3MZ

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/IM4XN3MZSTMA27QVFPLBJ6BKHT \
  | 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: 433976ed9994d80d7e152bd614f82a3ccd8d53def6c160324b24e09f01c3da64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73e3754dd5cd7728e433b87a68a2af98cea04d3c0e4bb7e066b53f152cba5aee",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-05-05T08:54:44Z",
    "title_canon_sha256": "49424d75e346b4e367f74960bb84c6a34288aa6b5d6eb94a60eb6e0e1bacf0f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00922",
    "kind": "arxiv",
    "version": 1
  }
}