Pith Number

pith:SJIM3UGP

pith:2022:SJIM3UGPJOIMUN2EMV4SQICGBY

not attested not anchored not stored refs pending

LaPraDoR: Unsupervised Pretrained Dense Retriever for Zero-Shot Text Retrieval

Canwen Xu, Daya Guo, Julian McAuley, Nan Duan

arxiv:2203.06169 v2 · 2022-03-11 · cs.CL · cs.AI · cs.IR · 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{SJIM3UGPJOIMUN2EMV4SQICGBY}

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.

Cited by

1 paper in Pith

Zero-Shot Contextual Embeddings via Offline Synthetic Corpus Generation

Receipt and verification

First computed	2026-07-05T04:18:18.076971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9250cdd0cf4b90ca374465792820460e081a6f096c4c8766a8052797e8699e42

Aliases

arxiv: 2203.06169 · arxiv_version: 2203.06169v2 · doi: 10.48550/arxiv.2203.06169 · pith_short_12: SJIM3UGPJOIM · pith_short_16: SJIM3UGPJOIMUN2E · pith_short_8: SJIM3UGP

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/SJIM3UGPJOIMUN2EMV4SQICGBY \
  | 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: 9250cdd0cf4b90ca374465792820460e081a6f096c4c8766a8052797e8699e42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85fff4b5a4b8c4cd680400c6d9b6b2541ae6284f12777fb809685277c31b7d9f",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-03-11T18:53:12Z",
    "title_canon_sha256": "0d383c460c97b0b44561224020cefefd95d3cc4466b18b569b294a8bc7154f66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.06169",
    "kind": "arxiv",
    "version": 2
  }
}