Pith Number

pith:VYYDS3CH

pith:2017:VYYDS3CHX6MQORUEXXWTZQ4AVC

not attested not anchored not stored refs pending

Supporting Defect Causal Analysis in Practice with Cross-Company Data on Causes of Requirements Engineering Problems

Alexandre Ferreira, Aline Paes, Daniel M\'endez Fern\'andez, Marcos Kalinowski, Michael Felderer, Pablo Curty, Rodrigo Sp\'inola, Stefan Wagner

arxiv:1702.03851 v1 · 2017-02-13 · 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{VYYDS3CHX6MQORUEXXWTZQ4AVC}

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	2026-05-18T00:15:30.891481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae30396c47bf99074684bded3cc380a8bf84f69a42109bfbe3a5d76d63096ead

Aliases

arxiv: 1702.03851 · arxiv_version: 1702.03851v1 · doi: 10.48550/arxiv.1702.03851 · pith_short_12: VYYDS3CHX6MQ · pith_short_16: VYYDS3CHX6MQORUE · pith_short_8: VYYDS3CH

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/VYYDS3CHX6MQORUEXXWTZQ4AVC \
  | 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: ae30396c47bf99074684bded3cc380a8bf84f69a42109bfbe3a5d76d63096ead

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e587dbc3cdcb4503fb8c4c6f13678a657f6a0542b6c49b847b4c801e9c4bece3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-02-13T16:14:30Z",
    "title_canon_sha256": "bf6b197ea0c3bd4ee198d4ac7d9126bc7a4687faec1f102bbc36ba6f18c27fd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03851",
    "kind": "arxiv",
    "version": 1
  }
}