Pith Number

pith:R6DLTSCV

pith:2022:R6DLTSCVVOKAU6HBRTY55Z4MW4

not attested not anchored not stored refs pending

Query Expansion and Entity Weighting for Query Reformulation Retrieval in Voice Assistant Systems

Chengyuan Ma, Chenlei Guo, Sixing Lu, Xiaohu Liu, Zhongkai Sun

arxiv:2202.13869 v1 · 2022-02-22 · cs.IR · 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{R6DLTSCVVOKAU6HBRTY55Z4MW4}

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	2026-07-05T04:00:34.743490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f86b9c855ab940a78e18cf1dee78cb72d8015a6bfedcbc8188a42ee70bb6917

Aliases

arxiv: 2202.13869 · arxiv_version: 2202.13869v1 · doi: 10.48550/arxiv.2202.13869 · pith_short_12: R6DLTSCVVOKA · pith_short_16: R6DLTSCVVOKAU6HB · pith_short_8: R6DLTSCV

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/R6DLTSCVVOKAU6HBRTY55Z4MW4 \
  | 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: 8f86b9c855ab940a78e18cf1dee78cb72d8015a6bfedcbc8188a42ee70bb6917

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f7c0a5095f2c9dd7b73c4ce7532e0fb6e7ccf130afe308a669348e5cb03d07f",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-02-22T23:03:29Z",
    "title_canon_sha256": "837a953e099b19fa7f5f4d8f7f6a205020878ea2248071b0c6d10d723e3d8abb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.13869",
    "kind": "arxiv",
    "version": 1
  }
}