Pith Number

pith:ZRM56CCE

pith:2026:ZRM56CCEHF7LXFGBBGDSC64WAQ

not attested not anchored not stored refs pending

Frontier Language Models Struggle to Copy: Text Can Be Better Viewed in 2D

Haodong Wen, Kaifeng Lyu, Yingfa Chen, Yiran Zhang

arxiv:2607.16072 v1 · 2026-07-17 · 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{ZRM56CCEHF7LXFGBBGDSC64WAQ}

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	2026-07-20T02:19:29.488287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc59df0844397ebb94c10987217b96041776bfd961a61943459f810464f7899f

Aliases

arxiv: 2607.16072 · arxiv_version: 2607.16072v1 · doi: 10.48550/arxiv.2607.16072 · pith_short_12: ZRM56CCEHF7L · pith_short_16: ZRM56CCEHF7LXFGB · pith_short_8: ZRM56CCE

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/ZRM56CCEHF7LXFGBBGDSC64WAQ \
  | 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: cc59df0844397ebb94c10987217b96041776bfd961a61943459f810464f7899f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "835bf27f99e2b9fe2c2ea297eb09b411d03cf6b9d47621be84f0dc5bb7c60e48",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-17T15:56:52Z",
    "title_canon_sha256": "34853ba4ecc72a36f952e1a8b3192820e6b7bb6ddecb627203925ac2d105a229"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.16072",
    "kind": "arxiv",
    "version": 1
  }
}