Pith Number

pith:C2U7ESLN

pith:2021:C2U7ESLNXR7SVBQZDQXAFHIZ43

not attested not anchored not stored refs pending

ArchivalQA: A Large-scale Benchmark Dataset for Open Domain Question Answering over Historical News Collections

Adam Jatowt, Jiexin Wang, Masatoshi Yoshikawa

arxiv:2109.03438 v4 · 2021-09-08 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2U7ESLNXR7SVBQZDQXAFHIZ43}

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

1 paper in Pith

Evaluating List Construction and Temporal Understanding capabilities of Large Language Models

Receipt and verification

First computed	2026-07-05T03:58:53.476863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16a9f2496dbc7f2a86191c2e029d19e6f7ffd3a3261b54f0013b53c17157f331

Aliases

arxiv: 2109.03438 · arxiv_version: 2109.03438v4 · doi: 10.48550/arxiv.2109.03438 · pith_short_12: C2U7ESLNXR7S · pith_short_16: C2U7ESLNXR7SVBQZ · pith_short_8: C2U7ESLN

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/C2U7ESLNXR7SVBQZDQXAFHIZ43 \
  | 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: 16a9f2496dbc7f2a86191c2e029d19e6f7ffd3a3261b54f0013b53c17157f331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "573e0ee9ac1b5b67e2af941c4e6ed54ed076e1b1dd4f502b4aa2239ca8424eb3",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-08T05:21:51Z",
    "title_canon_sha256": "7c6d206819adbbaa2fe418a1ba6c066118e3f80d3c362c2d9e2e428e2974fba7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.03438",
    "kind": "arxiv",
    "version": 4
  }
}