Pith Number

pith:PJVJ5IZY

pith:2026:PJVJ5IZYYR4F7UVIE5WOUMAYCM

not attested not anchored not stored refs pending

LibEvoBench: Probing Temporal Knowledge Stratification in Code Generation Models

Arie van Deursen, Daniele Cipollone, Egor Bogomolov, Maliheh Izadi, Sergey Titov

arxiv:2606.25402 v1 · 2026-06-24 · cs.SE · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PJVJ5IZYYR4F7UVIE5WOUMAYCM}

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	2026-06-25T01:18:04.416541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a6a9ea338c4785fd2a8276cea301813181e4c36602aff43065646ba1e62487c

Aliases

arxiv: 2606.25402 · arxiv_version: 2606.25402v1 · doi: 10.48550/arxiv.2606.25402 · pith_short_12: PJVJ5IZYYR4F · pith_short_16: PJVJ5IZYYR4F7UVI · pith_short_8: PJVJ5IZY

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/PJVJ5IZYYR4F7UVIE5WOUMAYCM \
  | 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: 7a6a9ea338c4785fd2a8276cea301813181e4c36602aff43065646ba1e62487c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "621f313169efcd24cbe4c15abd4846dc2c63c4f29710bc4f4f42c7692d605eee",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-06-24T04:58:28Z",
    "title_canon_sha256": "4b8f2b12f9e7d26f06c2576ee4116f414f28c26559b5baa36979164e980df4a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25402",
    "kind": "arxiv",
    "version": 1
  }
}