Pith Number

pith:L7BINUWK

pith:2026:L7BINUWKH2D5RQE5SMTZI4E2C3

not attested not anchored not stored refs pending

Spaghetti Architect: A Contamination-Resistant, By-Construction-Labelled, Multi-Language Code Dataset Generator

Yuxiang Ji

arxiv:2607.18642 v1 · 2026-07-21 · cs.LG · 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{L7BINUWKH2D5RQE5SMTZI4E2C3}

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	2026-07-22T00:22:58.184279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fc286d2ca3e87d8c09d932794709a16c59bb51d315f793faeb1e820f4c646be

Aliases

arxiv: 2607.18642 · arxiv_version: 2607.18642v1 · doi: 10.48550/arxiv.2607.18642 · pith_short_12: L7BINUWKH2D5 · pith_short_16: L7BINUWKH2D5RQE5 · pith_short_8: L7BINUWK

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/L7BINUWKH2D5RQE5SMTZI4E2C3 \
  | 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: 5fc286d2ca3e87d8c09d932794709a16c59bb51d315f793faeb1e820f4c646be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39def3afc8142b226da28051edce956007e24e9435ca7e3472dc07775a16b76e",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-21T02:23:22Z",
    "title_canon_sha256": "f904214cf8c509d8f0e7e02a6257e98a15a5470094990dbd39c4222adaff2233"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18642",
    "kind": "arxiv",
    "version": 1
  }
}