Pith Number

pith:QMEMIMTG

pith:2021:QMEMIMTGHIF76Y6OJO2PRKLLLX

not attested not anchored not stored refs pending

DeepCAT: Deep Category Representation for Query Understanding in E-commerce Search

Ali Ahmadvand, Eugene Agichtein, Faizan Javed, Surya Kallumadi

arxiv:2104.11760 v2 · 2021-04-23 · cs.IR · 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{QMEMIMTGHIF76Y6OJO2PRKLLLX}

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	2026-07-05T02:38:34.355756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8308c432663a0bff63ce4bb4f8a96b5de0fa8981bcd68d58644eff91ff6902fd

Aliases

arxiv: 2104.11760 · arxiv_version: 2104.11760v2 · doi: 10.48550/arxiv.2104.11760 · pith_short_12: QMEMIMTGHIF7 · pith_short_16: QMEMIMTGHIF76Y6O · pith_short_8: QMEMIMTG

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/QMEMIMTGHIF76Y6OJO2PRKLLLX \
  | 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: 8308c432663a0bff63ce4bb4f8a96b5de0fa8981bcd68d58644eff91ff6902fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fa4178574756cd94175dbfd9c2864a129c9f200d91206b0998277e38cac59bc",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-04-23T18:04:44Z",
    "title_canon_sha256": "6f6dda4499767f4fa1eccb9105d667e3fc430aa94d670d78b442528dd108430f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.11760",
    "kind": "arxiv",
    "version": 2
  }
}