Pith Number

pith:TIB6HOD5

pith:2021:TIB6HOD5D5V4YAJG2NOTYGUDUJ

not attested not anchored not stored refs pending

On Preserving the Behavior in Software Refactoring: A Systematic Mapping Study

Ali Ouni, Christian Newman, Eman Abdullah AlOmar, Mohamed Wiem Mkaouer

arxiv:2106.13900 v2 · 2021-06-25 · 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{TIB6HOD5D5V4YAJG2NOTYGUDUJ}

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	2026-07-05T02:59:57.786208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a03e3b87d1f6bcc0126d35d3c1a83a24eddf361812fdd91ea353c106e0d93cb

Aliases

arxiv: 2106.13900 · arxiv_version: 2106.13900v2 · doi: 10.48550/arxiv.2106.13900 · pith_short_12: TIB6HOD5D5V4 · pith_short_16: TIB6HOD5D5V4YAJG · pith_short_8: TIB6HOD5

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/TIB6HOD5D5V4YAJG2NOTYGUDUJ \
  | 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: 9a03e3b87d1f6bcc0126d35d3c1a83a24eddf361812fdd91ea353c106e0d93cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e970a6aafb956ce38226499d98fb6520d3e532fcd2cac8768e99688c7d0c668",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-06-25T22:29:49Z",
    "title_canon_sha256": "f9fa45f9d0ae140e7487345d00098e977b827d87e8954655dd839fd17e0a3f90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.13900",
    "kind": "arxiv",
    "version": 2
  }
}