Pith Number

pith:V5YPMH2N

pith:2020:V5YPMH2NI6K2V42WFARXWPMP4F

not attested not anchored not stored refs pending

Open Domain Question Answering Using Web Tables

Guihong Cao, Kaushik Chakrabarti, Siamak Shakeri, Zhimin Chen

arxiv:2001.03272 v1 · 2020-01-10 · cs.IR · 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{V5YPMH2NI6K2V42WFARXWPMP4F}

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	2026-07-05T00:32:42.323334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af70f61f4d4795aaf35628237b3d8fe155b22d262bd0f34e3b72e594bf4990ec

Aliases

arxiv: 2001.03272 · arxiv_version: 2001.03272v1 · doi: 10.48550/arxiv.2001.03272 · pith_short_12: V5YPMH2NI6K2 · pith_short_16: V5YPMH2NI6K2V42W · pith_short_8: V5YPMH2N

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/V5YPMH2NI6K2V42WFARXWPMP4F \
  | 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: af70f61f4d4795aaf35628237b3d8fe155b22d262bd0f34e3b72e594bf4990ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c1cdc428526f3fe136e7b399f07793e896a8c70af257801fbc0d603063a28cd",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-01-10T01:25:04Z",
    "title_canon_sha256": "3d91b7bc296b52e96be68b0e0de1e6e4997a149fade5ca777ae8a9a75b60b40f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.03272",
    "kind": "arxiv",
    "version": 1
  }
}