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Pith Number

pith:4GVRS7UG

pith:2015:4GVRS7UGD3QR6GSADMJE5WHP43
not attested not anchored not stored refs pending

A Novel Approach for Clone Group Mapping by using Topic Modeling

Huan Wang, Liping Zhang, Ruixia Zhang, Zhuo Chen

arxiv:1502.03726 v1 · 2015-02-12 · cs.SE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4GVRS7UGD3QR6GSADMJE5WHP43}

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 2026-05-18T02:27:16.889976Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e1ab197e861ee11f1a401b124ed8efe6d480da49da45b256f80e603b8e331cf3

Aliases

arxiv: 1502.03726 · arxiv_version: 1502.03726v1 · doi: 10.48550/arxiv.1502.03726 · pith_short_12: 4GVRS7UGD3QR · pith_short_16: 4GVRS7UGD3QR6GSA · pith_short_8: 4GVRS7UG
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4GVRS7UGD3QR6GSADMJE5WHP43 \
  | 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: e1ab197e861ee11f1a401b124ed8efe6d480da49da45b256f80e603b8e331cf3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "17d7e321cecd9376a982922fd08b919b9f8ca8eb5ae5fb0f4bd65582c6f75e42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-02-12T16:48:18Z",
    "title_canon_sha256": "a33d03aa46c3d1c23ab9dbd49c35e7b0728efa1034e02f051ebae9ff88ac43bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03726",
    "kind": "arxiv",
    "version": 1
  }
}