Pith Number

pith:YLKS5IHU

pith:2016:YLKS5IHUNKUY43H3K4CUOP4JNN

not attested not anchored not stored refs pending

Naming the Pain in Requirements Engineering: Comparing Practices in Brazil and Germany

Ahmet Tuzcu, Andr\'e Schekelmann, Daniel M\'endez Fern\'andez, Marcos Kalinowski, Rafael Prikladnicki, Rodrigo Spinola, Stefan Wagner, Tayana Conte

arxiv:1611.09132 v1 · 2016-11-28 · 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{YLKS5IHUNKUY43H3K4CUOP4JNN}

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	2026-05-18T00:56:29.082628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2d52ea0f46aa98e6cfb5705473f896b5eeb27f2750f360d58d9720b25d0feb8

Aliases

arxiv: 1611.09132 · arxiv_version: 1611.09132v1 · doi: 10.48550/arxiv.1611.09132 · pith_short_12: YLKS5IHUNKUY · pith_short_16: YLKS5IHUNKUY43H3 · pith_short_8: YLKS5IHU

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/YLKS5IHUNKUY43H3K4CUOP4JNN \
  | 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: c2d52ea0f46aa98e6cfb5705473f896b5eeb27f2750f360d58d9720b25d0feb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdfa6f8e7777c3d717e24125c4d3f03c7780d36f01d9d5e4b1e0e9dea6df94fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2016-11-28T14:19:49Z",
    "title_canon_sha256": "af1ae3fbc4d3adddb5cfef864ad6e27ba7256fedfcf8079e7577386815567def"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.09132",
    "kind": "arxiv",
    "version": 1
  }
}