Pith Number

pith:M3QNFPXL

pith:2021:M3QNFPXL4B2CWGLTXKDBZES7CT

not attested not anchored not stored refs pending

Learning to Ask Appropriate Questions in Conversational Recommendation

Hao Wang, Hongzhi Yin, Kai Zheng, Tong Chen, Xuhui Ren, Zi Huang

arxiv:2105.04774 v1 · 2021-05-11 · cs.AI · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M3QNFPXL4B2CWGLTXKDBZES7CT}

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	2026-07-05T02:39:24.066121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66e0d2beebe0742b1973ba861c925f14eb3d0af5b5d4a9bdafe31af9b8af8d0d

Aliases

arxiv: 2105.04774 · arxiv_version: 2105.04774v1 · doi: 10.48550/arxiv.2105.04774 · pith_short_12: M3QNFPXL4B2C · pith_short_16: M3QNFPXL4B2CWGLT · pith_short_8: M3QNFPXL

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/M3QNFPXL4B2CWGLTXKDBZES7CT \
  | 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: 66e0d2beebe0742b1973ba861c925f14eb3d0af5b5d4a9bdafe31af9b8af8d0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "156b415d98c558856ac629e0adcc7e820e0fe5196d9c55dd391e0f2056ffce96",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-05-11T03:58:10Z",
    "title_canon_sha256": "92ca7a6d058d90489fefee9ff6fd70e066136bfb2554764a30a17997d55a3441"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.04774",
    "kind": "arxiv",
    "version": 1
  }
}