Pith Number

pith:QLJQCPRE

pith:2018:QLJQCPREQBBCJBZKU5TBIJTBHL

not attested not anchored not stored refs pending

ODSQA: Open-domain Spoken Question Answering Dataset

Chia-Hsuan Lee, Huan-Cheng Chang, Hung-yi Lee, Shang-Ming Wang

arxiv:1808.02280 v1 · 2018-08-07 · 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{QLJQCPREQBBCJBZKU5TBIJTBHL}

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	2026-05-18T00:08:46.996546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82d3013e24804224872aa7661426613afef8baf7d2028f200506e355cc733cf1

Aliases

arxiv: 1808.02280 · arxiv_version: 1808.02280v1 · doi: 10.48550/arxiv.1808.02280 · pith_short_12: QLJQCPREQBBC · pith_short_16: QLJQCPREQBBCJBZK · pith_short_8: QLJQCPRE

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/QLJQCPREQBBCJBZKU5TBIJTBHL \
  | 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: 82d3013e24804224872aa7661426613afef8baf7d2028f200506e355cc733cf1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea4a4b6616aca4552b99f0604416e5de25002f0acc9a8b48a52e750b48fb6b97",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-08-07T09:47:00Z",
    "title_canon_sha256": "f329fa31e377e63100de7b2051f685fb114a57576719d77305744c378e3c6a84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02280",
    "kind": "arxiv",
    "version": 1
  }
}