Pith Number

pith:RFYXQ4T3

pith:2018:RFYXQ4T35ADQTCTQNPSJZ3FEIC

not attested not anchored not stored refs pending

Learning From Weights: A Cost-Sensitive Approach For Ad Retrieval

Nikit Begwani, Rahul Agrawal, Shrutendra Harsola

arxiv:1811.12776 v2 · 2018-11-30 · cs.IR · 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{RFYXQ4T35ADQTCTQNPSJZ3FEIC}

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	2026-05-17T23:59:21.903433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

897178727be807098a706be49ceca4409f93f4c043945ed26b62dfff674014e4

Aliases

arxiv: 1811.12776 · arxiv_version: 1811.12776v2 · doi: 10.48550/arxiv.1811.12776 · pith_short_12: RFYXQ4T35ADQ · pith_short_16: RFYXQ4T35ADQTCTQ · pith_short_8: RFYXQ4T3

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/RFYXQ4T35ADQTCTQNPSJZ3FEIC \
  | 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: 897178727be807098a706be49ceca4409f93f4c043945ed26b62dfff674014e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99ed24d193fdf08dc42c5e88e4049d228c4688da05d795c48ea2093744161724",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-11-30T13:13:38Z",
    "title_canon_sha256": "11e5d0ce67b67e8957ff97eca75048a3905134db17d7cf0cd169f40076a38436"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.12776",
    "kind": "arxiv",
    "version": 2
  }
}