Pith Number

pith:ROZXEH7T

pith:2024:ROZXEH7TWH43Y6EYEGVT6KEKKB

not attested not anchored not stored refs pending

Perception Compressor: A Training-Free Prompt Compression Framework in Long Context Scenarios

Hai-Tao Zheng, Jin Xu, Jiwei Tang, Lin Hai, Tingwei Lu, Yiming Zhao, Zhicheng Zhang

arxiv:2409.19272 v5 · 2024-09-28 · 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{ROZXEH7TWH43Y6EYEGVT6KEKKB}

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	2026-07-05T10:11:24.832780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bb3721ff3b1f9bc789821ab3f288a506a62a9dfb82bf6f5aacbd51063638bc0

Aliases

arxiv: 2409.19272 · arxiv_version: 2409.19272v5 · doi: 10.48550/arxiv.2409.19272 · pith_short_12: ROZXEH7TWH43 · pith_short_16: ROZXEH7TWH43Y6EY · pith_short_8: ROZXEH7T

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/ROZXEH7TWH43Y6EYEGVT6KEKKB \
  | 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: 8bb3721ff3b1f9bc789821ab3f288a506a62a9dfb82bf6f5aacbd51063638bc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edb9d13c5486bdcb8f066323f9574793ac0e928ffd39364efc4775686824d050",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2024-09-28T07:13:33Z",
    "title_canon_sha256": "bfc0bfd0a8a37fecd208cee332662da6b5662db595f6667a50a767c55105b5f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.19272",
    "kind": "arxiv",
    "version": 5
  }
}