Pith Number

pith:NUW2BC63

pith:2025:NUW2BC63UQZ2EYB24RRACO5UWB

not attested not anchored not stored refs pending

Effective Length Extrapolation via Dimension-Wise Positional Embeddings Manipulation

Chenglong Wang, Chenxin An, Jun Zhao, Qi Zhang, Shuo Li, Tao Gui, Tao Ji, Wanxu Zhao, Xin Zhou, Xuanjing Huang, Yi Lu, Yuming Yang

arxiv:2504.18857 v1 · 2025-04-26 · 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{NUW2BC63UQZ2EYB24RRACO5UWB}

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	2026-07-05T10:54:22.581584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d2da08bdba433a2603ae462013bb4b05f9c47bb9fef913f5111114537fa568a

Aliases

arxiv: 2504.18857 · arxiv_version: 2504.18857v1 · doi: 10.48550/arxiv.2504.18857 · pith_short_12: NUW2BC63UQZ2 · pith_short_16: NUW2BC63UQZ2EYB2 · pith_short_8: NUW2BC63

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/NUW2BC63UQZ2EYB24RRACO5UWB \
  | 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: 6d2da08bdba433a2603ae462013bb4b05f9c47bb9fef913f5111114537fa568a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d90d980e92d3ee5676d118370965d2508eb4017036064f6ffc2a21be2c7a169",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-04-26T08:46:10Z",
    "title_canon_sha256": "d6124220714c5be8a158227eb82d677bf7ad4dc7b31fdc18d3bbb4cf0e3daf21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.18857",
    "kind": "arxiv",
    "version": 1
  }
}