Pith Number

pith:N3QKZICM

pith:2019:N3QKZICMBXNUS45JJ3CEE5JD4C

not attested not anchored not stored refs pending

Technical Debt and Waste in Non-Functional Requirements Documentation: An Exploratory Study

Ezequiel Scott, Gabriela Robiolo, Michael Felderer, Santiago Matalonga

arxiv:1909.12716 v1 · 2019-09-27 · 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{N3QKZICMBXNUS45JJ3CEE5JD4C}

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	2026-07-05T00:07:42.184728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ee0aca04c0ddb4973a94ec4427523e0b5b2b419b6a5e4a7b1380eb1f4d6f1b9

Aliases

arxiv: 1909.12716 · arxiv_version: 1909.12716v1 · doi: 10.48550/arxiv.1909.12716 · pith_short_12: N3QKZICMBXNU · pith_short_16: N3QKZICMBXNUS45J · pith_short_8: N3QKZICM

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/N3QKZICMBXNUS45JJ3CEE5JD4C \
  | 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: 6ee0aca04c0ddb4973a94ec4427523e0b5b2b419b6a5e4a7b1380eb1f4d6f1b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a6c0b7dd0b971c1f50da7a9561930f40ee796f03e04c4175e1b1af12ff9dee4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-09-27T14:40:42Z",
    "title_canon_sha256": "be9b9050d53f9bc507b77abff8efaf623927797ea5ad280db97af371298ba4aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.12716",
    "kind": "arxiv",
    "version": 1
  }
}