Pith Number

pith:PPS2YSEI

pith:2022:PPS2YSEIJYMKQRGT5GUEFGNJS2

not attested not anchored not stored refs pending

Evaluating Token-Level and Passage-Level Dense Retrieval Models for Math Information Retrieval

Jheng-Hong Yang, Jimmy Lin, Wei Zhong, Yuqing Xie

arxiv:2203.11163 v2 · 2022-03-21 · 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{PPS2YSEIJYMKQRGT5GUEFGNJS2}

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	2026-07-05T05:09:05.114798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7be5ac48884e18a844d3e9a84299a99686edabde6ab3f53364c301db05657edf

Aliases

arxiv: 2203.11163 · arxiv_version: 2203.11163v2 · doi: 10.48550/arxiv.2203.11163 · pith_short_12: PPS2YSEIJYMK · pith_short_16: PPS2YSEIJYMKQRGT · pith_short_8: PPS2YSEI

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/PPS2YSEIJYMKQRGT5GUEFGNJS2 \
  | 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: 7be5ac48884e18a844d3e9a84299a99686edabde6ab3f53364c301db05657edf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "397d6d5b1f4108f566594c3c137af5c9e53c8f61fc8fee7c936aebb0c1d1d94a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-03-21T17:41:54Z",
    "title_canon_sha256": "acdac5781d02f0cf875d055292d74261d25abeb3db7e730eb886d08a58e3a6a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.11163",
    "kind": "arxiv",
    "version": 2
  }
}