Pith Number

pith:HEF4X6JU

pith:2021:HEF4X6JUW5WM2FRC4ASBOAN243

not attested not anchored not stored refs pending

Operation-based Refactoring-aware Merging: An Empirical Evaluation

Danny Dig, Max Ellis, Sarah Nadi

arxiv:2112.10370 v2 · 2021-12-20 · 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{HEF4X6JUW5WM2FRC4ASBOAN243}

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	2026-07-05T04:47:26.005917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

390bcbf934b76ccd1622e0241701bae6e9e393b2d3f38a01d9f333855cc47856

Aliases

arxiv: 2112.10370 · arxiv_version: 2112.10370v2 · doi: 10.48550/arxiv.2112.10370 · pith_short_12: HEF4X6JUW5WM · pith_short_16: HEF4X6JUW5WM2FRC · pith_short_8: HEF4X6JU

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/HEF4X6JUW5WM2FRC4ASBOAN243 \
  | 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: 390bcbf934b76ccd1622e0241701bae6e9e393b2d3f38a01d9f333855cc47856

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93a8812e9ed57502e94e85e5a374b3e69bc3b607473b29f8e978e0b6261463c7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-12-20T07:44:50Z",
    "title_canon_sha256": "3c7f13a8cdf9c21f80a9d9b288265881232098a19632f2c8dd6a4620bde90c39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.10370",
    "kind": "arxiv",
    "version": 2
  }
}