Pith Number

pith:THWMWXRY

pith:2021:THWMWXRYRNKU3TS75ZWVAVLYQO

not attested not anchored not stored refs pending

How Do I Refactor This? An Empirical Study on Refactoring Trends and Topics in Stack Overflow

Ali Ouni, Anthony Peruma, Christian D. Newman, Eman Abdullah AlOmar, Mohamed Wiem Mkaouer, Steven Simmons

arxiv:2110.12229 v1 · 2021-10-23 · 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{THWMWXRYRNKU3TS75ZWVAVLYQO}

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	2026-07-05T03:25:01.725050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99eccb5e388b554dce5fee6d5055788399ab6f2a4261de7e7c5bacd5e4c64bc8

Aliases

arxiv: 2110.12229 · arxiv_version: 2110.12229v1 · doi: 10.48550/arxiv.2110.12229 · pith_short_12: THWMWXRYRNKU · pith_short_16: THWMWXRYRNKU3TS7 · pith_short_8: THWMWXRY

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/THWMWXRYRNKU3TS75ZWVAVLYQO \
  | 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: 99eccb5e388b554dce5fee6d5055788399ab6f2a4261de7e7c5bacd5e4c64bc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23f02cfd78901e0af7eb164f3a9e3dc7bb53551d760b670a73805d986a9282a9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-10-23T14:20:11Z",
    "title_canon_sha256": "d921537fe16c469d4071621caea52a525c5c4fec457c438ca7dd925b1ce87204"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.12229",
    "kind": "arxiv",
    "version": 1
  }
}