Pith Number

pith:SIERT4PK

pith:2022:SIERT4PKF7NB6OMLKPAF2QOMYQ

not attested not anchored not stored refs pending

CharacterBERT and Self-Teaching for Improving the Robustness of Dense Retrievers on Queries with Typos

Guido Zuccon, Shengyao Zhuang

arxiv:2204.00716 v2 · 2022-04-01 · cs.IR · 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{SIERT4PKF7NB6OMLKPAF2QOMYQ}

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	2026-07-05T04:17:39.930078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

920919f1ea2fda1f398b53c05d41ccc43a4a83199f7150750a12900cdec94254

Aliases

arxiv: 2204.00716 · arxiv_version: 2204.00716v2 · doi: 10.48550/arxiv.2204.00716 · pith_short_12: SIERT4PKF7NB · pith_short_16: SIERT4PKF7NB6OML · pith_short_8: SIERT4PK

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/SIERT4PKF7NB6OMLKPAF2QOMYQ \
  | 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: 920919f1ea2fda1f398b53c05d41ccc43a4a83199f7150750a12900cdec94254

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5225f20e233047573cec6d03b2b706423af92d6965acffd1abe592cc7e76769",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-04-01T23:02:50Z",
    "title_canon_sha256": "795f51d052e63154eef18b334d13cc0cbc54b075eac5a4cfc1634dc9379e4716"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.00716",
    "kind": "arxiv",
    "version": 2
  }
}