Pith Number

pith:4TCTTKVG

pith:2021:4TCTTKVGAHCHMYWYL4UFA6ZLOQ

not attested not anchored not stored refs pending

Simple Local Attentions Remain Competitive for Long-Context Tasks

Anchit Gupta, Barlas O\u{g}uz, Diana Liskovich, Omer Levy, Wenhan Xiong, Wen-tau Yih, Xilun Chen, Yashar Mehdad

arxiv:2112.07210 v2 · 2021-12-14 · 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{4TCTTKVGAHCHMYWYL4UFA6ZLOQ}

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	2026-07-05T04:20:17.391542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4c539aaa601c47662d85f28507b2b7412abc0902640c615421832725f394ac0

Aliases

arxiv: 2112.07210 · arxiv_version: 2112.07210v2 · doi: 10.48550/arxiv.2112.07210 · pith_short_12: 4TCTTKVGAHCH · pith_short_16: 4TCTTKVGAHCHMYWY · pith_short_8: 4TCTTKVG

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/4TCTTKVGAHCHMYWYL4UFA6ZLOQ \
  | 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: e4c539aaa601c47662d85f28507b2b7412abc0902640c615421832725f394ac0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15911fe36c2d27a0b8b786c767305be5c10c4490713943b34260676952783f55",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-12-14T07:37:58Z",
    "title_canon_sha256": "b5ec810d57485169ed425a57a19431389e93904be94fa4544801736b74225848"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.07210",
    "kind": "arxiv",
    "version": 2
  }
}