Pith. sign in
Pith Number

pith:K7U2J73A

pith:2019:K7U2J73AGDECGMWZWTGESSHWEA
not attested not anchored not stored refs pending

Learning to Ask: Question-based Sequential Bayesian Product Search

Evangelos Kanoulas, Jie Zou

arxiv:1908.11733 v1 · 2019-08-30 · cs.IR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{K7U2J73AGDECGMWZWTGESSHWEA}

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 2026-07-05T00:00:44.989359Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

57e9a4ff6030c82332d9b4cc4948f6202dad1ca3e662b9363ebaf50dd8c51d44

Aliases

arxiv: 1908.11733 · arxiv_version: 1908.11733v1 · doi: 10.48550/arxiv.1908.11733 · pith_short_12: K7U2J73AGDEC · pith_short_16: K7U2J73AGDECGMWZ · pith_short_8: K7U2J73A
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/K7U2J73AGDECGMWZWTGESSHWEA \
  | 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: 57e9a4ff6030c82332d9b4cc4948f6202dad1ca3e662b9363ebaf50dd8c51d44
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7d5a2a8176fd2d26c2f0fcfa4acf24590994193feab60d8dce00158259bc08fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-08-30T13:39:56Z",
    "title_canon_sha256": "ba6705a76481784d2a2ae7860154f0dbb7cd884cc10cb2024d7c7c6731618cd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.11733",
    "kind": "arxiv",
    "version": 1
  }
}