Pith Number

pith:2VHB4HN4

pith:2014:2VHB4HN42C7WXWPU3KL4DVFVUJ

not attested not anchored not stored refs pending

A Hitchhiker's Guide to Search-Based Software Engineering for Software Product Lines

Alexander Egyed, Enrique Alba, Francisco Chicano, Javier Ferrer, Lukas Linsbauer, Roberto E. Lopez-Herrejon

arxiv:1406.2823 v1 · 2014-06-11 · cs.SE · cs.NE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2VHB4HN42C7WXWPU3KL4DVFVUJ}

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	2026-05-18T02:49:54.981542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d54e1e1dbcd0bf6bd9f4da97c1d4b5a26d0a4371a1a2ac6c0673d8110d70affa

Aliases

arxiv: 1406.2823 · arxiv_version: 1406.2823v1 · doi: 10.48550/arxiv.1406.2823 · pith_short_12: 2VHB4HN42C7W · pith_short_16: 2VHB4HN42C7WXWPU · pith_short_8: 2VHB4HN4

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/2VHB4HN42C7WXWPU3KL4DVFVUJ \
  | 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: d54e1e1dbcd0bf6bd9f4da97c1d4b5a26d0a4371a1a2ac6c0673d8110d70affa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89511f244989165639570a9c2ce289cc9521875c622325083eea6053be765a46",
    "cross_cats_sorted": [
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-06-11T08:43:51Z",
    "title_canon_sha256": "ee08d06876130c0dffb1f5456556526092aaa277ade28cac3c791a88a0825517"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2823",
    "kind": "arxiv",
    "version": 1
  }
}