Pith Number

pith:D7EALGT6

pith:2021:D7EALGT6OKMSTYKHCA2ADVMDBU

not attested not anchored not stored refs pending

Refactoring for Reuse: An Empirical Study

Ali Ouni, Christian Newman, Eman Abdullah AlOmar, Mohamed Wiem Mkaouer, Tianjia Wang, Vaibhavi Raut

arxiv:2111.07002 v1 · 2021-11-13 · 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{D7EALGT6OKMSTYKHCA2ADVMDBU}

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	2026-07-05T03:31:34.888854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fc8059a7e729929e147103401d5830d3adf7a88e884142c09d729b506fc00a5

Aliases

arxiv: 2111.07002 · arxiv_version: 2111.07002v1 · doi: 10.48550/arxiv.2111.07002 · pith_short_12: D7EALGT6OKMS · pith_short_16: D7EALGT6OKMSTYKH · pith_short_8: D7EALGT6

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/D7EALGT6OKMSTYKHCA2ADVMDBU \
  | 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: 1fc8059a7e729929e147103401d5830d3adf7a88e884142c09d729b506fc00a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8fc909a68cb8c858bc035bf5857d9899fcce9a772751cb2d23007a23c730865",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-11-13T00:19:03Z",
    "title_canon_sha256": "1dcbf2f55d3051c0bf4ad7bc5e87a7ea352b48233e95ef22b0155628aba2256f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.07002",
    "kind": "arxiv",
    "version": 1
  }
}