Pith Number

pith:UXGPGUNC

pith:2022:UXGPGUNCWVGVNMD2MJXG7C5EKX

not attested not anchored not stored refs pending

LoL: A Comparative Regularization Loss over Query Reformulation Losses for Pseudo-Relevance Feedback

Huawei Shen, Liang Pang, Xueqi Cheng, Yanyan Lan, Yunchang Zhu

arxiv:2204.11545 v1 · 2022-04-25 · cs.IR · cs.CL · 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{UXGPGUNCWVGVNMD2MJXG7C5EKX}

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	2026-07-05T04:17:29.226479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5ccf351a2b54d56b07a626e6f8ba455ecc91c37b866b89b8c94bdc9957c6dc3

Aliases

arxiv: 2204.11545 · arxiv_version: 2204.11545v1 · doi: 10.48550/arxiv.2204.11545 · pith_short_12: UXGPGUNCWVGV · pith_short_16: UXGPGUNCWVGVNMD2 · pith_short_8: UXGPGUNC

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/UXGPGUNCWVGVNMD2MJXG7C5EKX \
  | 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: a5ccf351a2b54d56b07a626e6f8ba455ecc91c37b866b89b8c94bdc9957c6dc3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ce4f9346279909de6449b0e29eca68dfa849ded47f6a5a7a5cef9a7f17d95cd",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-04-25T10:42:50Z",
    "title_canon_sha256": "f856160526bac2719bd87e5c501be77e72171d818115cdf20573759ab87c04d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.11545",
    "kind": "arxiv",
    "version": 1
  }
}