Pith Number

pith:MP4ZXVH6

pith:2021:MP4ZXVH6EHQRMXD4LW4JGEQ6NQ

not attested not anchored not stored refs pending

SHAPE: Shifted Absolute Position Embedding for Transformers

Jun Suzuki, Kentaro Inui, Shun Kiyono, Sosuke Kobayashi

arxiv:2109.05644 v1 · 2021-09-13 · 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{MP4ZXVH6EHQRMXD4LW4JGEQ6NQ}

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.

Cited by

1 paper in Pith

Train Short, Test Long: Attention with Linear Biases Enables Input Length Extrapolation

Receipt and verification

First computed	2026-07-05T03:13:40.884561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63f99bd4fe21e1165c7c5db893121e6c207abfb34922890de9fbb20349568738

Aliases

arxiv: 2109.05644 · arxiv_version: 2109.05644v1 · doi: 10.48550/arxiv.2109.05644 · pith_short_12: MP4ZXVH6EHQR · pith_short_16: MP4ZXVH6EHQRMXD4 · pith_short_8: MP4ZXVH6

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/MP4ZXVH6EHQRMXD4LW4JGEQ6NQ \
  | 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: 63f99bd4fe21e1165c7c5db893121e6c207abfb34922890de9fbb20349568738

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2a2bf1e093c7859eb472d69a6dc5315d1aa3abb750d6f1a48b0d4078d755d05",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-13T00:10:02Z",
    "title_canon_sha256": "b2fbd84067e5da46fd658d8f38f95669c7502cc7b0b7b1a54a200342981cccc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.05644",
    "kind": "arxiv",
    "version": 1
  }
}