Pith Number

pith:75ARIIIV

pith:2021:75ARIIIVI64UC2YCYOUXMXDSNX

not attested not anchored not stored refs pending

Quiz-Style Question Generation for News Stories

Adam D. Lelkes, Cong Yu, Vinh Q. Tran

arxiv:2102.09094 v1 · 2021-02-18 · cs.CL · cs.CY · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75ARIIIVI64UC2YCYOUXMXDSNX}

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	2026-07-05T02:16:19.253485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff4114211547b9416b02c3a9765c726de516f7102bb8f4c48034f36495a8e3bb

Aliases

arxiv: 2102.09094 · arxiv_version: 2102.09094v1 · doi: 10.48550/arxiv.2102.09094 · pith_short_12: 75ARIIIVI64U · pith_short_16: 75ARIIIVI64UC2YC · pith_short_8: 75ARIIIV

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/75ARIIIVI64UC2YCYOUXMXDSNX \
  | 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: ff4114211547b9416b02c3a9765c726de516f7102bb8f4c48034f36495a8e3bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9d46539de01e9aaa9ce7f46085c5a0755405fd3de93230ca6f56d972ac98e6f",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-02-18T01:06:58Z",
    "title_canon_sha256": "b55728ca5ffdb8f30afbdcdc487c2b52ec8846383dd342e37ef17048b64203ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.09094",
    "kind": "arxiv",
    "version": 1
  }
}