Pith Number

pith:4MHSVWTA

pith:2026:4MHSVWTAYPQJ33LWNJ7N2ATELJ

not attested not anchored not stored refs pending

Not All Needles Are Found: How Fact Distribution and Don't Make It Up Prompts Shape Retrieval, Reasoning, and Hallucination in Long-Context LLMs

Amirali Ebrahimzadeh, Seyyed M. Salili

arxiv:2601.02023 v2 · 2026-01-05 · 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{4MHSVWTAYPQJ33LWNJ7N2ATELJ}

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	2026-07-16T00:21:44.327890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e30f2ada60c3e09ded766a7edd02645a443b09728a65fefb5cdcca938a9004e9

Aliases

arxiv: 2601.02023 · arxiv_version: 2601.02023v2 · doi: 10.48550/arxiv.2601.02023 · pith_short_12: 4MHSVWTAYPQJ · pith_short_16: 4MHSVWTAYPQJ33LW · pith_short_8: 4MHSVWTA

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/4MHSVWTAYPQJ33LWNJ7N2ATELJ \
  | 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: e30f2ada60c3e09ded766a7edd02645a443b09728a65fefb5cdcca938a9004e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3210e0d7c00fb24f1dd8ae51df558810e7a1bfe5f8cb51ca5dac23ec55a5091a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-01-05T11:30:56Z",
    "title_canon_sha256": "dfdad30e7e18eda9b84a257342d83158cb2c53417d0fe17592e26220f1280bd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.02023",
    "kind": "arxiv",
    "version": 2
  }
}