Pith Number

pith:WSHQC3KD

pith:2025:WSHQC3KDWXPWMTGEK3O7CRERJ3

not attested not anchored not stored refs pending

LAMDAS: LLM as an Implicit Classifier for Domain-specific Data Selection

Bingchang Liu, Hang Yu, Jianguo Li, Jian Wu, Peng Di, Wenjie Yang, Yue Zhang

arxiv:2509.06524 v1 · 2025-09-08 · 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{WSHQC3KDWXPWMTGEK3O7CRERJ3}

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	2026-07-05T12:06:37.548470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b48f016d43b5df664cc456ddf144914edda54e8442cb49178a546d7bbceb9361

Aliases

arxiv: 2509.06524 · arxiv_version: 2509.06524v1 · doi: 10.48550/arxiv.2509.06524 · pith_short_12: WSHQC3KDWXPW · pith_short_16: WSHQC3KDWXPWMTGE · pith_short_8: WSHQC3KD

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/WSHQC3KDWXPWMTGEK3O7CRERJ3 \
  | 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: b48f016d43b5df664cc456ddf144914edda54e8442cb49178a546d7bbceb9361

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96c0a1a94d4525c2296f3ba6bbf65f9d5eb80ebd650dcaf92aa8e18669bec1c0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-09-08T10:30:58Z",
    "title_canon_sha256": "37cd01180de4a125448b3c900fcc5dc6b3340279728932a18fb54473086f5e92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.06524",
    "kind": "arxiv",
    "version": 1
  }
}