Pith Number

pith:5YG6FHAI

pith:2020:5YG6FHAIMLLQDD4BQJZRK4R4FC

not attested not anchored not stored refs pending

Asking Questions the Human Way: Scalable Question-Answer Generation from Text Corpus

Bang Liu, Di Niu, Haojie Wei, Haolan Chen, Yancheng He

arxiv:2002.00748 v2 · 2020-01-27 · cs.CL · 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{5YG6FHAIMLLQDD4BQJZRK4R4FC}

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	2026-07-05T00:45:53.938342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee0de29c0862d7018f81827315723c28972f36d64004fdf171e473c625c14382

Aliases

arxiv: 2002.00748 · arxiv_version: 2002.00748v2 · doi: 10.48550/arxiv.2002.00748 · pith_short_12: 5YG6FHAIMLLQ · pith_short_16: 5YG6FHAIMLLQDD4B · pith_short_8: 5YG6FHAI

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/5YG6FHAIMLLQDD4BQJZRK4R4FC \
  | 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: ee0de29c0862d7018f81827315723c28972f36d64004fdf171e473c625c14382

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f56aa77725e3bab7815a0de7a5ce72666e6fafa7eb0388a3dfb4e11eacd7ddc",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-01-27T05:27:09Z",
    "title_canon_sha256": "3d6a254db10a3d9b514ae2cae47e03532429642abeaca0dfa98140b49be8bf94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.00748",
    "kind": "arxiv",
    "version": 2
  }
}