Pith Number

pith:JWZEZY4R

pith:2017:JWZEZY4RKISSCFQLOLFUICCTDQ

not attested not anchored not stored refs pending

"SHORT"er Reasoning About Larger Requirements Models

George Mathew, John Klein, Neil A. Ernst, Tim Menzies

arxiv:1702.05568 v4 · 2017-02-18 · 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{JWZEZY4RKISSCFQLOLFUICCTDQ}

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	2026-05-18T00:37:42.074974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4db24ce391522521160b72cb4408531c2949a95873ae6d17198e1c54bf76830b

Aliases

arxiv: 1702.05568 · arxiv_version: 1702.05568v4 · doi: 10.48550/arxiv.1702.05568 · pith_short_12: JWZEZY4RKISS · pith_short_16: JWZEZY4RKISSCFQL · pith_short_8: JWZEZY4R

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/JWZEZY4RKISSCFQLOLFUICCTDQ \
  | 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: 4db24ce391522521160b72cb4408531c2949a95873ae6d17198e1c54bf76830b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7574a0c9911017a9afa56967387da185a463116e91d8dcec22110143031a0f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-02-18T04:13:54Z",
    "title_canon_sha256": "6b085b8c94adc71e0c4cb1a796e23342bbf7a0dc16116fd3677e4a76f5833ba4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05568",
    "kind": "arxiv",
    "version": 4
  }
}