Pith Number

pith:EGTA4JNR

pith:2025:EGTA4JNRACN2GOKVSE3YTGXUXB

not attested not anchored not stored refs pending

Training-free Truthfulness Detection via Sparse MLP Value Vectors

Heyan Huang, Runheng Liu, Xingchen Xiao, Yanghao Zhou, Zhijing Wu

arxiv:2509.17932 v2 · 2025-09-22 · 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{EGTA4JNRACN2GOKVSE3YTGXUXB}

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	2026-06-29T01:14:24.204123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21a60e25b1009ba339559137899af4b84cd66db0bd179e0466ecebc75df001e3

Aliases

arxiv: 2509.17932 · arxiv_version: 2509.17932v2 · doi: 10.48550/arxiv.2509.17932 · pith_short_12: EGTA4JNRACN2 · pith_short_16: EGTA4JNRACN2GOKV · pith_short_8: EGTA4JNR

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/EGTA4JNRACN2GOKVSE3YTGXUXB \
  | 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: 21a60e25b1009ba339559137899af4b84cd66db0bd179e0466ecebc75df001e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf9ab3e43e83750faa59774965514324a3dafadb840b317cb81182575b50eb86",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-09-22T15:54:29Z",
    "title_canon_sha256": "652fe37515e14f8038b4b99a5c0ead76e42bcacb8ba061d6759b3aa364baffca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.17932",
    "kind": "arxiv",
    "version": 2
  }
}