Pith Number

pith:TGPCSF2J

pith:2026:TGPCSF2J2LER2NVFV6DQL3OZKT

not attested not anchored not stored refs pending

CodeGENCAT: Generative Computerized Adaptive Testing for Open-ended Coding Problems

Alexander Scarlatos, Andrew Lan, Ruochen Sun, Wanyong Feng

arxiv:2602.20020 v2 · 2026-02-23 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TGPCSF2J2LER2NVFV6DQL3OZKT}

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	2026-05-28T01:04:37.256187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

999e291749d2c91d36a5af8705edd954e8c800ce8965c7c2ac5028901bdb7154

Aliases

arxiv: 2602.20020 · arxiv_version: 2602.20020v2 · doi: 10.48550/arxiv.2602.20020 · pith_short_12: TGPCSF2J2LER · pith_short_16: TGPCSF2J2LER2NVF · pith_short_8: TGPCSF2J

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/TGPCSF2J2LER2NVFV6DQL3OZKT \
  | 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: 999e291749d2c91d36a5af8705edd954e8c800ce8965c7c2ac5028901bdb7154

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b52014cf7d6466358e1601fa23647a3d2a97bfda8a195dfa8733ff5eda265e4d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-02-23T16:28:46Z",
    "title_canon_sha256": "033b0f8f1b1a50b6056d5ecae378038d1dec0e2e9dbcf27814b6191d4f14b904"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.20020",
    "kind": "arxiv",
    "version": 2
  }
}