Pith Number

pith:2H27RUFT

pith:2026:2H27RUFTFK3QMGUKQTOPTEGABC

not attested not anchored not stored refs pending

Efficient and Scalable Provenance Tracking for LLM-Generated Code Snippets

Andrea Gurioli, Davide D'Ascenzo, Federico Pennino, Maurizio Gabbrielli, Stefano Zacchiroli

arxiv:2605.28510 v1 · 2026-05-27 · cs.SE · cs.AI · cs.IR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2H27RUFTFK3QMGUKQTOPTEGABC}

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	2026-05-28T02:04:55.065292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1f5f8d0b32ab7061a8a84dcf990c008aa859e2294b9ac5c775ca26427e50cf9

Aliases

arxiv: 2605.28510 · arxiv_version: 2605.28510v1 · doi: 10.48550/arxiv.2605.28510 · pith_short_12: 2H27RUFTFK3Q · pith_short_16: 2H27RUFTFK3QMGUK · pith_short_8: 2H27RUFT

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/2H27RUFTFK3QMGUKQTOPTEGABC \
  | 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: d1f5f8d0b32ab7061a8a84dcf990c008aa859e2294b9ac5c775ca26427e50cf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71d7fd938528a52643e05238021020bbeda363d1446edd1d462634279b75e14a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-05-27T14:12:17Z",
    "title_canon_sha256": "d699c73e25adeddbf143d82372a8e6baa5438f8192131d54bd2b507cf07d1a74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28510",
    "kind": "arxiv",
    "version": 1
  }
}