Pith Number

pith:GJTTDEFD

pith:2026:GJTTDEFDSPN2VMROVUJBWRX4C4

not attested not anchored not stored refs pending

Attention Expansion: Enhancing Keyphrase Extraction from Long Documents with Attention-Augmented Contextualized Embeddings

Alvaro J. L\'opez-L\'opez, Jos\'e Portela, Roberto Mart\'inez-Cruz

arxiv:2606.10716 v1 · 2026-06-09 · 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{GJTTDEFDSPN2VMROVUJBWRX4C4}

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	2026-06-10T01:10:36.106186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32673190a393dbaab22ead121b46fc1700f8a5b927fbf22160cf1a243dabfcc3

Aliases

arxiv: 2606.10716 · arxiv_version: 2606.10716v1 · doi: 10.48550/arxiv.2606.10716 · pith_short_12: GJTTDEFDSPN2 · pith_short_16: GJTTDEFDSPN2VMRO · pith_short_8: GJTTDEFD

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/GJTTDEFDSPN2VMROVUJBWRX4C4 \
  | 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: 32673190a393dbaab22ead121b46fc1700f8a5b927fbf22160cf1a243dabfcc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "450e19116c94526b2d4642e9e3792010048fc5a71ea1756245bf3e1d52e79ac4",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-09T11:24:07Z",
    "title_canon_sha256": "420e353d74520ba8fa40985d4e1ae3a947044fe3e6dfa1d14d5eec1ffd9d2f80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.10716",
    "kind": "arxiv",
    "version": 1
  }
}