Pith Number

pith:4LYKEPVN

pith:2021:4LYKEPVNW27QYSD5LPRJC2OID7

not attested not anchored not stored refs pending

APRF-Net: Attentive Pseudo-Relevance Feedback Network for Query Categorization

Ali Ahmadvand, Eugene Agichtein, Khalifa Al Jadda, Sayyed M. Zahiri, Simon Hughes, Surya Kallumadi

arxiv:2104.11384 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{4LYKEPVNW27QYSD5LPRJC2OID7}

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	2026-07-05T02:39:19.172491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2f0a23eadb6bf0c487d5be29169c81ff9e0c8fbf07f26132fd649a5b0d99714

Aliases

arxiv: 2104.11384 · arxiv_version: 2104.11384v2 · doi: 10.48550/arxiv.2104.11384 · pith_short_12: 4LYKEPVNW27Q · pith_short_16: 4LYKEPVNW27QYSD5 · pith_short_8: 4LYKEPVN

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/4LYKEPVNW27QYSD5LPRJC2OID7 \
  | 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: e2f0a23eadb6bf0c487d5be29169c81ff9e0c8fbf07f26132fd649a5b0d99714

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ceec609b6f5ccbdd7286e940b3a0bdc39505efd33f89f700cb764825b34e5066",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-04-23T02:34:08Z",
    "title_canon_sha256": "9dd533b0303bb9fb4865b01e706d7b8b16cb67f0cd38cf74fefdbb34a9c33b55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.11384",
    "kind": "arxiv",
    "version": 2
  }
}