Pith Number

pith:WVEIWOID

pith:2018:WVEIWOIDGY2WV6ZCUQZ33ITEKY

not attested not anchored not stored refs pending

Agile Metrics for a University Software Engineering Course

Christoph Matthies, Hasso Plattner, Matthias Uflacker, Thomas Kowark

arxiv:1809.00599 v1 · 2018-09-03 · 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{WVEIWOIDGY2WV6ZCUQZ33ITEKY}

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	2026-05-18T00:06:33.044080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5488b390336356afb22a433bda2645615fffa95e408c97ed7a9c2d5d1ee37d3

Aliases

arxiv: 1809.00599 · arxiv_version: 1809.00599v1 · doi: 10.48550/arxiv.1809.00599 · pith_short_12: WVEIWOIDGY2W · pith_short_16: WVEIWOIDGY2WV6ZC · pith_short_8: WVEIWOID

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/WVEIWOIDGY2WV6ZCUQZ33ITEKY \
  | 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: b5488b390336356afb22a433bda2645615fffa95e408c97ed7a9c2d5d1ee37d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a6f5c9fd84e78de6060dae5dade7e5b26ab9a6393e7016df7959252956a3a10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-09-03T13:44:55Z",
    "title_canon_sha256": "92c4c38069e8a949f30c5e7e76b2dfe1ec80f0f80941751adfd368c3378d9503"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00599",
    "kind": "arxiv",
    "version": 1
  }
}