Pith Number

pith:JWW2ARCJ

pith:2021:JWW2ARCJNHTIU34S4G4Z6LUNW6

not attested not anchored not stored refs pending

COIL: Revisit Exact Lexical Match in Information Retrieval with Contextualized Inverted List

Jamie Callan, Luyu Gao, Zhuyun Dai

arxiv:2104.07186 v1 · 2021-04-15 · 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{JWW2ARCJNHTIU34S4G4Z6LUNW6}

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

7 papers in Pith

Why Advanced Encoders Lag on Sparse Retrieval? The Answer and an Approach to Bridging Vocabulary Gaps

Multi-Vector Embeddings are Provably More Expressive than Single Vector Embeddings

RAGe: A Retrieval-Augmented Generation Evaluation Framework

The Role of Vocabularies in Learning Sparse Representations for Ranking

Unified and Efficient Approach for Multi-Vector Similarity Search

Receipt and verification

First computed	2026-07-05T02:32:18.817973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dada0444969e68a6f92e1b99f2e8db7baa8cf7e4b5637442429fc3edbc35a29

Aliases

arxiv: 2104.07186 · arxiv_version: 2104.07186v1 · doi: 10.48550/arxiv.2104.07186 · pith_short_12: JWW2ARCJNHTI · pith_short_16: JWW2ARCJNHTIU34S · pith_short_8: JWW2ARCJ

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/JWW2ARCJNHTIU34S4G4Z6LUNW6 \
  | 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: 4dada0444969e68a6f92e1b99f2e8db7baa8cf7e4b5637442429fc3edbc35a29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a84d1ecebcc516adc35dbe44030afc92b0b078d8531d6cc0fed44a37c121baaa",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-04-15T00:53:54Z",
    "title_canon_sha256": "a6958cb0199aa86aef608a9d0f230d09358031c6beba9df75b1b94d9ce1a3f23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07186",
    "kind": "arxiv",
    "version": 1
  }
}