Pith Number

pith:DORALZQJ

pith:2021:DORALZQJRZ2ZL45UVV7UABRXI5

not attested not anchored not stored refs pending

Salient Phrase Aware Dense Retrieval: Can a Dense Retriever Imitate a Sparse One?

Anchit Gupta, Barlas O\u{g}uz, Kushal Lakhotia, Patrick Lewis, Sonal Gupta, Stan Peshterliev, Wen-tau Yih, Xilun Chen, Yashar Mehdad

arxiv:2110.06918 v3 · 2021-10-13 · cs.CL · 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{DORALZQJRZ2ZL45UVV7UABRXI5}

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

3 papers in Pith

Unsupervised Dense Information Retrieval with Contrastive Learning

Text Embeddings by Weakly-Supervised Contrastive Pre-training

Receipt and verification

First computed	2026-07-05T05:15:22.276248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ba205e6098e7595f3b4ad7f40063747763c12811f33a9a2eea940afb0b68b04

Aliases

arxiv: 2110.06918 · arxiv_version: 2110.06918v3 · doi: 10.48550/arxiv.2110.06918 · pith_short_12: DORALZQJRZ2Z · pith_short_16: DORALZQJRZ2ZL45U · pith_short_8: DORALZQJ

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/DORALZQJRZ2ZL45UVV7UABRXI5 \
  | 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: 1ba205e6098e7595f3b4ad7f40063747763c12811f33a9a2eea940afb0b68b04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed5ad7214a7687c3e1eac45678c827896f1228cb2a9c4883354e351ac817c064",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-10-13T17:56:19Z",
    "title_canon_sha256": "f4efc24724698a024ab5203ae573f5092fdb079a9758bfb5541283d1e96878f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.06918",
    "kind": "arxiv",
    "version": 3
  }
}