Pith Number

pith:5XHFY5SD

pith:2018:5XHFY5SDM7WUU7MONAXTYKFWGL

not attested not anchored not stored refs pending

Standards of Validity and the Validity of Standards in Behavioral Software Engineering Research: The Perspective of Psychological Test Theory

Lucas Gren

arxiv:1809.01940 v1 · 2018-09-06 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5XHFY5SDM7WUU7MONAXTYKFWGL}

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	2026-05-18T00:06:21.642656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edce5c764367ed4a7d8e682f3c28b632fbc6c97eda6c5bb65b2d28247ff7c313

Aliases

arxiv: 1809.01940 · arxiv_version: 1809.01940v1 · doi: 10.48550/arxiv.1809.01940 · pith_short_12: 5XHFY5SDM7WU · pith_short_16: 5XHFY5SDM7WUU7MO · pith_short_8: 5XHFY5SD

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/5XHFY5SDM7WUU7MONAXTYKFWGL \
  | 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: edce5c764367ed4a7d8e682f3c28b632fbc6c97eda6c5bb65b2d28247ff7c313

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5359dd955976eb0970d6854feed65fec338b4a430e92d0aaaa9421215e02fd57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-09-06T12:21:31Z",
    "title_canon_sha256": "c1434c87290d3fd61235dc9d66e3738b456d8236a4d8749ca6d666bd12258c5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01940",
    "kind": "arxiv",
    "version": 1
  }
}