Pith Number

pith:DYVCL5DE

pith:2013:DYVCL5DEJIK2Q3DMKATAUFVVLJ

not attested not anchored not stored refs pending

An Application of Uncertain Reasoning to Requirements Engineering

Kathryn Blackmond Laskey, Philip S. Barry

arxiv:1301.6678 v1 · 2013-01-23 · cs.SE · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DYVCL5DEJIK2Q3DMKATAUFVVLJ}

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	2026-05-18T03:35:13.091793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e2a25f4644a15a86c6c50260a16b55a6b6603f42d5421e5cd05d78ff69f620d

Aliases

arxiv: 1301.6678 · arxiv_version: 1301.6678v1 · doi: 10.48550/arxiv.1301.6678 · pith_short_12: DYVCL5DEJIK2 · pith_short_16: DYVCL5DEJIK2Q3DM · pith_short_8: DYVCL5DE

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/DYVCL5DEJIK2Q3DMKATAUFVVLJ \
  | 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: 1e2a25f4644a15a86c6c50260a16b55a6b6603f42d5421e5cd05d78ff69f620d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "594c33fb359f27e509c88a68a08dad506505650595a9951135c485e738048376",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2013-01-23T15:56:51Z",
    "title_canon_sha256": "e41a7777814d0eab9fb49ef81f49628bfe28c525e8c892c6401f0310d942768f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6678",
    "kind": "arxiv",
    "version": 1
  }
}