Pith Number

pith:VSVKNX6Z

pith:2012:VSVKNX6ZCYMVJXJZCC5Q3OE3FD

not attested not anchored not stored refs pending

A transformation approach for collaboration based requirement models

Ahmed Harbouche, Aicha Mokhtari, Mohammed Erradi

arxiv:1202.1718 v1 · 2012-02-08 · 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{VSVKNX6ZCYMVJXJZCC5Q3OE3FD}

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	2026-05-18T04:02:51.295134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acaaa6dfd9161954dd3910bb0db89b28e4f3facba44884b59e2e762be3284139

Aliases

arxiv: 1202.1718 · arxiv_version: 1202.1718v1 · doi: 10.48550/arxiv.1202.1718 · pith_short_12: VSVKNX6ZCYMV · pith_short_16: VSVKNX6ZCYMVJXJZ · pith_short_8: VSVKNX6Z

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/VSVKNX6ZCYMVJXJZCC5Q3OE3FD \
  | 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: acaaa6dfd9161954dd3910bb0db89b28e4f3facba44884b59e2e762be3284139

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1451bb4fc6d04baf76ae0d6d9a490b091d1721dae869a12fe6b6ee226cea440d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2012-02-08T14:48:18Z",
    "title_canon_sha256": "cfe1519d77f1994c029581b6ac8487e5a19bdb7d6b174f4f4f1d2cd3a0d00bd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1718",
    "kind": "arxiv",
    "version": 1
  }
}