Pith Number

pith:K3FYOUUU

pith:2025:K3FYOUUUCBIP6GD6EIOWV3V6V3

not attested not anchored not stored refs pending

Retrospective Sparse Attention for Efficient Long-Context Generation

Beomseok Kang, Dongwon Jo, Jae-Joon Kim, Seonghwan Choi

arxiv:2508.09001 v2 · 2025-08-12 · cs.CL · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K3FYOUUUCBIP6GD6EIOWV3V6V3}

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	2026-05-21T01:05:07.775998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56cb8752941050ff187e221d6aeebeaed6696c71037bf1dc18291ab88d99cc1b

Aliases

arxiv: 2508.09001 · arxiv_version: 2508.09001v2 · doi: 10.48550/arxiv.2508.09001 · pith_short_12: K3FYOUUUCBIP · pith_short_16: K3FYOUUUCBIP6GD6 · pith_short_8: K3FYOUUU

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/K3FYOUUUCBIP6GD6EIOWV3V6V3 \
  | 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: 56cb8752941050ff187e221d6aeebeaed6696c71037bf1dc18291ab88d99cc1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5b801de6a05ad40eb9db1ce54aa8852f14f1f719ba9592c0beda8e885352901",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-08-12T15:11:47Z",
    "title_canon_sha256": "829adc956500616304910e12c84276edfa2329562cbe976c6f88220d9b74a6ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.09001",
    "kind": "arxiv",
    "version": 2
  }
}