Pith Number

pith:BBCZKBQ7

pith:2016:BBCZKBQ76WGEIBXVZXO5P6VB7Z

not attested not anchored not stored refs pending

Towards Guidelines for Preventing Critical Requirements Engineering Problems

D. M\'endez Fern\'andez, M. Felderer, M. Kalinowski, P. Mafra, S. Wagner

arxiv:1611.08833 v1 · 2016-11-27 · 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{BBCZKBQ76WGEIBXVZXO5P6VB7Z}

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	2026-05-18T00:56:36.532062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

084595061ff58c4406f5cdddd7faa1fe4cc254fa3036cebe070f48e12b86df77

Aliases

arxiv: 1611.08833 · arxiv_version: 1611.08833v1 · doi: 10.48550/arxiv.1611.08833 · pith_short_12: BBCZKBQ76WGE · pith_short_16: BBCZKBQ76WGEIBXV · pith_short_8: BBCZKBQ7

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/BBCZKBQ76WGEIBXVZXO5P6VB7Z \
  | 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: 084595061ff58c4406f5cdddd7faa1fe4cc254fa3036cebe070f48e12b86df77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afcce7c774b7271b7b4f4ab9b62f16dbbed1820d2535ab061847d82b9319c3dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2016-11-27T12:34:26Z",
    "title_canon_sha256": "6758c798f5b4f54cd518dfc86f035c5d5150f2d22cc4837e91b1453b9ecd79ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.08833",
    "kind": "arxiv",
    "version": 1
  }
}