Pith Number

pith:H63AJXIG

pith:2019:H63AJXIGQ4RNKZR4FTDP4V564Z

not attested not anchored not stored refs pending

Review-Driven Answer Generation for Product-Related Questions in E-Commerce

Chenliang Li, Feng Ji, Haiqing Chen, Shiqian Chen, Wei Zhou

arxiv:1905.01994 v1 · 2019-04-27 · 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{H63AJXIGQ4RNKZR4FTDP4V564Z}

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	2026-05-17T23:46:56.748184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fb604dd068722d5663c2cc6fe57bee6419761fad81a91eb507536d2267ec214

Aliases

arxiv: 1905.01994 · arxiv_version: 1905.01994v1 · doi: 10.48550/arxiv.1905.01994 · pith_short_12: H63AJXIGQ4RN · pith_short_16: H63AJXIGQ4RNKZR4 · pith_short_8: H63AJXIG

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/H63AJXIGQ4RNKZR4FTDP4V564Z \
  | 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: 3fb604dd068722d5663c2cc6fe57bee6419761fad81a91eb507536d2267ec214

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "387c3ca7b158e5db33e90dfafc844ecdc258033ed7fcd97f6300288c9371213d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-04-27T01:57:28Z",
    "title_canon_sha256": "8a74d4822cb02dac7ba01e49771289cb636a01a7d78b29babd817025bdb770a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01994",
    "kind": "arxiv",
    "version": 1
  }
}