Pith Number

pith:GW7J7RCD

pith:2025:GW7J7RCDBFZAV26ZCMCCFDGVL5

not attested not anchored not stored refs pending

An Empirical Study of Evaluating Long-form Question Answering

Jiafeng Guo, Maarten de Rijke, Ning Xian, Ruqing Zhang, Yixing Fan

arxiv:2504.18413 v1 · 2025-04-25 · 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{GW7J7RCDBFZAV26ZCMCCFDGVL5}

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	2026-07-05T10:54:06.616810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35be9fc44309720aebd91304228cd55f7225a9d4dda3cbca585511dab9b45b72

Aliases

arxiv: 2504.18413 · arxiv_version: 2504.18413v1 · doi: 10.48550/arxiv.2504.18413 · pith_short_12: GW7J7RCDBFZA · pith_short_16: GW7J7RCDBFZAV26Z · pith_short_8: GW7J7RCD

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/GW7J7RCDBFZAV26ZCMCCFDGVL5 \
  | 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: 35be9fc44309720aebd91304228cd55f7225a9d4dda3cbca585511dab9b45b72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bf254d9315def322a760af0add7abb455cd2282f64c5e25745608871cb18b17",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-04-25T15:14:25Z",
    "title_canon_sha256": "f6de3ccdf0d63b3fcf3c24c5dbdc78202cfef7663c7569bd786a1a376552a61d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.18413",
    "kind": "arxiv",
    "version": 1
  }
}