Pith Number

pith:D4X6V7KS

pith:2026:D4X6V7KSZ22Q7MPLCH5WIZWTG6

not attested not anchored not stored refs pending

Less is More: Lightweight Prompt Compression for Question Answering Applications on Edge Devices

Hongli Xu, Ruofei Hou, Yang Xu, Ying Zhu, Yunming Liao, Zihuai Xu

arxiv:2606.20571 v1 · 2026-04-27 · 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{D4X6V7KSZ22Q7MPLCH5WIZWTG6}

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	2026-06-23T00:11:50.177932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f2feafd52ceb50fb1eb11fb6466d337bc4b73d28c8697d1ade140493805afee

Aliases

arxiv: 2606.20571 · arxiv_version: 2606.20571v1 · doi: 10.48550/arxiv.2606.20571 · pith_short_12: D4X6V7KSZ22Q · pith_short_16: D4X6V7KSZ22Q7MPL · pith_short_8: D4X6V7KS

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/D4X6V7KSZ22Q7MPLCH5WIZWTG6 \
  | 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: 1f2feafd52ceb50fb1eb11fb6466d337bc4b73d28c8697d1ade140493805afee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9147585fa3e1218a47b9894d4933e806311fa99e3c1a906ecce99902d99c6aa7",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-04-27T16:11:28Z",
    "title_canon_sha256": "a1d679a9d4645bb1eaddcb8ab992122f766fb0858bd9b8af78642e524d47be36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20571",
    "kind": "arxiv",
    "version": 1
  }
}