Pith Number

pith:LTJFUCK5

pith:2026:LTJFUCK5ZM3BSYLOHFN27E7Y3B

not attested not anchored not stored refs pending

Lost in Sampling: Assessing Lexical Reachability in LLMs via the Word Coverage Score (WCS)

Carlos Arriaga, Javier Conde, Javier Coronado-Bl\'azquez, Pedro Reviriego, Samer Awad, Tairan Fu

arxiv:2605.27268 v1 · 2026-05-26 · 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{LTJFUCK5ZM3BSYLOHFN27E7Y3B}

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	2026-05-27T02:06:09.120688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cd25a095dcb3619616e395baf93f8d85686a1934ef7ab16852a8bd953a7b55b

Aliases

arxiv: 2605.27268 · arxiv_version: 2605.27268v1 · doi: 10.48550/arxiv.2605.27268 · pith_short_12: LTJFUCK5ZM3B · pith_short_16: LTJFUCK5ZM3BSYLO · pith_short_8: LTJFUCK5

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/LTJFUCK5ZM3BSYLOHFN27E7Y3B \
  | 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: 5cd25a095dcb3619616e395baf93f8d85686a1934ef7ab16852a8bd953a7b55b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2454c63f4ce3958b128f4ffa96e718cffcfc978869d3dbcb7320b6c4052d0f1",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-05-26T16:44:25Z",
    "title_canon_sha256": "4f565736fe728e0535c9a20da4d4138170dcf4fd4cd8a4fea40366c34c9af145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27268",
    "kind": "arxiv",
    "version": 1
  }
}