Pith Number

pith:XP2VKKBC

pith:2022:XP2VKKBCIBJHL6ZC5MVTYAOWJ6

not attested not anchored not stored refs pending

On the Effectiveness of Sampled Softmax Loss for Item Recommendation

Hongcheng Fu, Jiancan Wu, Jiawei Chen, Tianyu Qiu, Xiang Wang, Xingyu Gao

arxiv:2201.02327 v2 · 2022-01-07 · 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{XP2VKKBCIBJHL6ZC5MVTYAOWJ6}

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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.

Cited by

1 paper in Pith

NDCG-Consistent Softmax Approximation with Accelerated Convergence

Receipt and verification

First computed	2026-07-05T07:25:36.645877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbf5552822405275fb22eb2b3c01d64fbe36e648104f31ef32eda753df9d3bb8

Aliases

arxiv: 2201.02327 · arxiv_version: 2201.02327v2 · doi: 10.48550/arxiv.2201.02327 · pith_short_12: XP2VKKBCIBJH · pith_short_16: XP2VKKBCIBJHL6ZC · pith_short_8: XP2VKKBC

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/XP2VKKBCIBJHL6ZC5MVTYAOWJ6 \
  | 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: bbf5552822405275fb22eb2b3c01d64fbe36e648104f31ef32eda753df9d3bb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "275e36d850982728c8b3cc6a3cb7a254860d7b0f015bb09e755e1a1ac0fcef42",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-01-07T04:55:45Z",
    "title_canon_sha256": "342ec47283d75aa01d9cb10283d083392569b192d1c42aeead17d51c7c2981ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.02327",
    "kind": "arxiv",
    "version": 2
  }
}