Pith Number

pith:5CX2PIO7

pith:2014:5CX2PIO7XXQPGL7DMNVWDRZL2I

not attested not anchored not stored refs pending

Estimating the Effort Overhead in Global Software Development

Alicia Fern\'andez-del Viso Torre, Ansgar Lamersdorf, Carlos Rebate S\'anchez, Dieter Rombach, J\"urgen M\"unch

arxiv:1401.2730 v1 · 2014-01-13 · 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{5CX2PIO7XXQPGL7DMNVWDRZL2I}

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	2026-05-18T03:02:32.330567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8afa7a1dfbde0f32fe3636b61c72bd235c0d5503c711c40b0109af59ee43c0b

Aliases

arxiv: 1401.2730 · arxiv_version: 1401.2730v1 · doi: 10.48550/arxiv.1401.2730 · pith_short_12: 5CX2PIO7XXQP · pith_short_16: 5CX2PIO7XXQPGL7D · pith_short_8: 5CX2PIO7

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/5CX2PIO7XXQPGL7DMNVWDRZL2I \
  | 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: e8afa7a1dfbde0f32fe3636b61c72bd235c0d5503c711c40b0109af59ee43c0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe29fcffc5d5737f762850fea09b205979dcea120713b4e733ea011daf352f80",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-01-13T07:13:58Z",
    "title_canon_sha256": "fc9518ef1e64821738320c5099a9b6d87aea3f42f9cc0172caf8eeb46e2ba722"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2730",
    "kind": "arxiv",
    "version": 1
  }
}