Pith Number

pith:25PYQQH4

pith:2015:25PYQQH4QFO4KRKT5GO7ZHT4KU

not attested not anchored not stored refs pending

Calibrating Function Points Using Neuro-Fuzzy Technique

Danny Ho, Luiz Fernando Capretz, Wei Xia

arxiv:1508.00028 v1 · 2015-07-31 · 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{25PYQQH4QFO4KRKT5GO7ZHT4KU}

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	2026-05-18T01:35:59.325508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d75f8840fc815dc54553e99dfc9e7c551e4100f4566e88a4e10768e1224cf0fe

Aliases

arxiv: 1508.00028 · arxiv_version: 1508.00028v1 · doi: 10.48550/arxiv.1508.00028 · pith_short_12: 25PYQQH4QFO4 · pith_short_16: 25PYQQH4QFO4KRKT · pith_short_8: 25PYQQH4

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/25PYQQH4QFO4KRKT5GO7ZHT4KU \
  | 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: d75f8840fc815dc54553e99dfc9e7c551e4100f4566e88a4e10768e1224cf0fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "261e238262d4a94b8d0bc4f2bd6813faf8c6c1e92c62bc6ee484d62c488c4680",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-07-31T20:47:03Z",
    "title_canon_sha256": "ec0150669424604e72edf7af8f700da5ae2f685ec85e79dcfa561facf2f67c4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00028",
    "kind": "arxiv",
    "version": 1
  }
}