Pith Number

pith:Y4WRCCI2

pith:2021:Y4WRCCI2Z6S6FM55OJ7DDC3A5Q

not attested not anchored not stored refs pending

One Thousand and One Stories: A Large-Scale Survey of Software Refactoring

Eman Abdullah AlOmar, Mohamed Wiem Mkaouer, Timofey Bryksin, Yaroslav Golubev, Zarina Kurbatova

arxiv:2107.07357 v2 · 2021-07-15 · 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{Y4WRCCI2Z6S6FM55OJ7DDC3A5Q}

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	2026-07-05T02:58:44.266686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c72d11091acfa5e2b3bd727e318b60ec28bc5c0213b2c90275d0b19765ad3075

Aliases

arxiv: 2107.07357 · arxiv_version: 2107.07357v2 · doi: 10.48550/arxiv.2107.07357 · pith_short_12: Y4WRCCI2Z6S6 · pith_short_16: Y4WRCCI2Z6S6FM55 · pith_short_8: Y4WRCCI2

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/Y4WRCCI2Z6S6FM55OJ7DDC3A5Q \
  | 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: c72d11091acfa5e2b3bd727e318b60ec28bc5c0213b2c90275d0b19765ad3075

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ecd5f0c0c81325206bddb4f67c9a91ccfd1871640e80313e8af96552aa49b95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-07-15T14:34:33Z",
    "title_canon_sha256": "cdeb59371d49f35c22682936d859d83816b7486e654ec00de5204e9e8736c329"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.07357",
    "kind": "arxiv",
    "version": 2
  }
}