Pith Number

pith:XWQUXFEQ

pith:2026:XWQUXFEQI552CSRVVT4CIEJ6JA

not attested not anchored not stored refs pending

FeatX: Editing Software by Editing Features for Repository-Level Code Evolution

Bing Xie, Lu Zhang, Xianlin Zhao, Xutian Li, Yanzhen Zou, Yifeng Zhu

arxiv:2606.31206 v1 · 2026-06-30 · 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{XWQUXFEQI552CSRVVT4CIEJ6JA}

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	2026-07-01T01:17:55.613372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bda14b9490477ba14a35acf824113e483d798ec018b2680e1b0f04a04de8ed26

Aliases

arxiv: 2606.31206 · arxiv_version: 2606.31206v1 · doi: 10.48550/arxiv.2606.31206 · pith_short_12: XWQUXFEQI552 · pith_short_16: XWQUXFEQI552CSRV · pith_short_8: XWQUXFEQ

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/XWQUXFEQI552CSRVVT4CIEJ6JA \
  | 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: bda14b9490477ba14a35acf824113e483d798ec018b2680e1b0f04a04de8ed26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ca83fc82f03193493751a66d55e57d8980e906e3d91ba140234fd78614d8c13",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-06-30T06:38:56Z",
    "title_canon_sha256": "826a6dcc8808a29f0c3dcd31f52d48e9612b798913ef962473acb79e8bcaa457"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31206",
    "kind": "arxiv",
    "version": 1
  }
}