Pith Number

pith:LE32A4H5

pith:2015:LE32A4H5MSLVXBS54HOPXYUCPE

not attested not anchored not stored refs pending

An Empirical Study of Open Source Software Usability: The Industrial Perspective

Arif Raza, Faheem Ahmed, Luiz Fernando Capretz

arxiv:1511.08844 v1 · 2015-11-27 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LE32A4H5MSLVXBS54HOPXYUCPE}

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	2026-05-18T01:25:46.288536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5937a070fd64975b865de1dcfbe2827913f843879e4980204134a4f53b896ed5

Aliases

arxiv: 1511.08844 · arxiv_version: 1511.08844v1 · doi: 10.48550/arxiv.1511.08844 · pith_short_12: LE32A4H5MSLV · pith_short_16: LE32A4H5MSLVXBS5 · pith_short_8: LE32A4H5

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/LE32A4H5MSLVXBS54HOPXYUCPE \
  | 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: 5937a070fd64975b865de1dcfbe2827913f843879e4980204134a4f53b896ed5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dff5c35c5faf99fcd865f74bb9aceb0fcca7d9fca201e4e7de609e0deb85aff2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2015-11-27T22:35:53Z",
    "title_canon_sha256": "f3aa4e0f6dc5cdc91464166ef2f4a0f633113a69ab9b8dc4cd9faf98c3468532"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.08844",
    "kind": "arxiv",
    "version": 1
  }
}