Pith Number

pith:6X5G27Z2

pith:2017:6X5G27Z2JB7QTF5XVD4552AWXZ

not attested not anchored not stored refs pending

Non-functional Requirements Documentation in Agile Software Development: Challenges and Solution Proposal

Dolors Costal, Markku Oivo, Pertti Karhap\"a\"a, Woubshet Behutiye, Xavier Franch

arxiv:1711.08894 v1 · 2017-11-24 · 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{6X5G27Z2JB7QTF5XVD4552AWXZ}

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	2026-05-18T00:29:41.825231Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5fa6d7f3a487f0997b7a8f9dee816be7949b36d2ff1dc2cbb2d7a94febdb4d1

Aliases

arxiv: 1711.08894 · arxiv_version: 1711.08894v1 · doi: 10.48550/arxiv.1711.08894 · pith_short_12: 6X5G27Z2JB7Q · pith_short_16: 6X5G27Z2JB7QTF5X · pith_short_8: 6X5G27Z2

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/6X5G27Z2JB7QTF5XVD4552AWXZ \
  | 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: f5fa6d7f3a487f0997b7a8f9dee816be7949b36d2ff1dc2cbb2d7a94febdb4d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47854a2174a06fb13cf3376070a449db5373f8e3cb6b6d69311d3aa1a67c32ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-11-24T08:39:07Z",
    "title_canon_sha256": "521b7aa6709341e200cfd79cd6c0eb0f9ef286d0215aead50e02ded23e3f710e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.08894",
    "kind": "arxiv",
    "version": 1
  }
}