Pith Number

pith:XOSYVZSI

pith:2026:XOSYVZSILQ75E6VF3BCQ43XWDH

not attested not anchored not stored refs pending

LLM-based Embeddings: Attention Values Encode Sentence Semantics Better Than Hidden States

Cam-Tu Nguyen, Jiaxuan Chen, Ke Qin, Yeqin Zhang, Yizheng Zhao, Yunfei Wang

arxiv:2602.01572 v2 · 2026-02-02 · cs.CL · cs.IR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XOSYVZSILQ75E6VF3BCQ43XWDH}

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	2026-06-12T01:09:21.557805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bba58ae6485c3fd27aa5d8450e6ef619c4e7f5ce0579d097628adcb63c27ad4c

Aliases

arxiv: 2602.01572 · arxiv_version: 2602.01572v2 · doi: 10.48550/arxiv.2602.01572 · pith_short_12: XOSYVZSILQ75 · pith_short_16: XOSYVZSILQ75E6VF · pith_short_8: XOSYVZSI

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/XOSYVZSILQ75E6VF3BCQ43XWDH \
  | 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: bba58ae6485c3fd27aa5d8450e6ef619c4e7f5ce0579d097628adcb63c27ad4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc8735bdd9878ced3d2782bf44cc7ccbc49338a9e85bfb93892e8c1a8bad37d4",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-02-02T03:09:37Z",
    "title_canon_sha256": "13ad9659a4b467570e97cf12019107e954a00c53d87bab821596b465098e0c67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.01572",
    "kind": "arxiv",
    "version": 2
  }
}