Pith Number

pith:HZ5ZA4ZD

pith:2013:HZ5ZA4ZD2UDE7IU2IUWRZT3MRL

not attested not anchored not stored refs pending

Using Early Quality Assurance Metrics to Focus Testing Activities

Frank Elberzhager, J\"urgen M\"unch

arxiv:1312.1043 v1 · 2013-12-04 · 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{HZ5ZA4ZD2UDE7IU2IUWRZT3MRL}

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	2026-05-18T03:05:35.088004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e7b907323d5064fa29a452d1ccf6c8acba4cae3deb9d67f04121d02d08f1118

Aliases

arxiv: 1312.1043 · arxiv_version: 1312.1043v1 · doi: 10.48550/arxiv.1312.1043 · pith_short_12: HZ5ZA4ZD2UDE · pith_short_16: HZ5ZA4ZD2UDE7IU2 · pith_short_8: HZ5ZA4ZD

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/HZ5ZA4ZD2UDE7IU2IUWRZT3MRL \
  | 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: 3e7b907323d5064fa29a452d1ccf6c8acba4cae3deb9d67f04121d02d08f1118

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0ce20bf764e514665b7146ea53f40f4dbba524dbe4728f24c9452ce9adc9bc4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2013-12-04T06:59:44Z",
    "title_canon_sha256": "3d4bc9f4c8b88fdd275ace974d4f809ae68109ec4174f0ff088f9872554e5b4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1043",
    "kind": "arxiv",
    "version": 1
  }
}