Pith Number

pith:7FVRAIFF

pith:2026:7FVRAIFFIY74X22RZURUEIFP63

not attested not anchored not stored refs pending

Causal Tongue-Tie: LLMs Can Encode Causal Direction, But Their Yes/No Outputs Fail to Express

Xiao-Ping Zhang, Ziyi Ding

arxiv:2605.25891 v1 · 2026-05-25 · cs.CL · 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{7FVRAIFFIY74X22RZURUEIFP63}

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	2026-05-26T02:05:17.132660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f96b1020a5463fcbeb51cd234220aff6e178510351d613a94411dfeff8148605

Aliases

arxiv: 2605.25891 · arxiv_version: 2605.25891v1 · doi: 10.48550/arxiv.2605.25891 · pith_short_12: 7FVRAIFFIY74 · pith_short_16: 7FVRAIFFIY74X22R · pith_short_8: 7FVRAIFF

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/7FVRAIFFIY74X22RZURUEIFP63 \
  | 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: f96b1020a5463fcbeb51cd234220aff6e178510351d613a94411dfeff8148605

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d13482d62dae3f6c4e492e6ef108eb012555a33d90cab02c5f4a7d1017b1bf1",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-25T14:19:51Z",
    "title_canon_sha256": "3396811f7f6921fb94f919cf742dc89db49741f895d7c825462cddff8e34f700"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25891",
    "kind": "arxiv",
    "version": 1
  }
}