Pith Number

pith:HWKOG6ZJ

pith:2010:HWKOG6ZJSJH5XTGLJQR7BCFQNU

not attested not anchored not stored refs pending

On the Detection of High-Impact Refactoring Opportunities in Programs

Catherine McCartin, Ewan Tempero, Jens Dietrich, Syed M. Ali Shah

arxiv:1006.1747 v2 · 2010-06-09 · 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{HWKOG6ZJSJH5XTGLJQR7BCFQNU}

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	2026-05-18T04:26:45.672668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d94e37b29924fdbcccb4c23f088b06d3c76921144ca322562f80bdb873253f1

Aliases

arxiv: 1006.1747 · arxiv_version: 1006.1747v2 · doi: 10.48550/arxiv.1006.1747 · pith_short_12: HWKOG6ZJSJH5 · pith_short_16: HWKOG6ZJSJH5XTGL · pith_short_8: HWKOG6ZJ

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/HWKOG6ZJSJH5XTGLJQR7BCFQNU \
  | 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: 3d94e37b29924fdbcccb4c23f088b06d3c76921144ca322562f80bdb873253f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cfc07d7593bdb4d652b478456debbc76b87ba434adea8c2789702658f8359d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2010-06-09T09:07:47Z",
    "title_canon_sha256": "6a601180e5b0cee3df076145e4decba974f015284e89720708ecaee88ca69805"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.1747",
    "kind": "arxiv",
    "version": 2
  }
}