Pith Number

pith:6KVMX5UT

pith:2022:6KVMX5UTMK52XGTGPQAMJB6H4E

not attested not anchored not stored refs pending

Implicit Feedback for Dense Passage Retrieval: A Counterfactual Approach

Guido Zuccon, Hang Li, Shengyao Zhuang

arxiv:2204.00718 v2 · 2022-04-01 · cs.IR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6KVMX5UTMK52XGTGPQAMJB6H4E}

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	2026-07-05T04:18:51.921456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2aacbf69362bbab9a667c00c487c7e1366ae1a271240fb515af5b17ae786e5b

Aliases

arxiv: 2204.00718 · arxiv_version: 2204.00718v2 · doi: 10.48550/arxiv.2204.00718 · pith_short_12: 6KVMX5UTMK52 · pith_short_16: 6KVMX5UTMK52XGTG · pith_short_8: 6KVMX5UT

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/6KVMX5UTMK52XGTGPQAMJB6H4E \
  | 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: f2aacbf69362bbab9a667c00c487c7e1366ae1a271240fb515af5b17ae786e5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fb7d635a89559ee32ac48209822e47d88a8b3e41a8d5b9e832c3a6f5873d5c3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-04-01T23:29:43Z",
    "title_canon_sha256": "65b9449124627c1121cb9ac3b5b0a6a4f904549116998e1a38c0b3f0f86d32ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.00718",
    "kind": "arxiv",
    "version": 2
  }
}