Pith Number

pith:3PBJEFDO

pith:2014:3PBJEFDOL4WBZRGWSKNBDVIIBL

not attested not anchored not stored refs pending

Prediction of rate of improvement of software quality and development effort on the basis of Degreeof excellence with respect to number of lines of code

Ekbal Rashid, Srikanta Patnaik, Vandana Bhattacherjee

arxiv:1404.4970 v1 · 2014-04-19 · 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{3PBJEFDOL4WBZRGWSKNBDVIIBL}

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	2026-05-18T02:53:52.416665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbc292146e5f2c1cc4d6929a11d5080adfc63db3f0e9a72a5e8d719a485613f7

Aliases

arxiv: 1404.4970 · arxiv_version: 1404.4970v1 · doi: 10.48550/arxiv.1404.4970 · pith_short_12: 3PBJEFDOL4WB · pith_short_16: 3PBJEFDOL4WBZRGW · pith_short_8: 3PBJEFDO

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/3PBJEFDOL4WBZRGWSKNBDVIIBL \
  | 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: dbc292146e5f2c1cc4d6929a11d5080adfc63db3f0e9a72a5e8d719a485613f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a47a56125c1eedcb108cc0b7e20e4f5b2d5ab0bc373159ab4dde542936f54d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-04-19T16:47:55Z",
    "title_canon_sha256": "b9fdf9e1e9c54c28c74384413cf6e8c037fba5f55c8a8dedcdb4c688587556cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.4970",
    "kind": "arxiv",
    "version": 1
  }
}