Pith Number

pith:7W4JE6NZ

pith:2022:7W4JE6NZITAIGTSVQPF3LWILNY

not attested not anchored not stored refs pending

i-Razor: A Differentiable Neural Input Razor for Feature Selection and Dimension Search in DNN-Based Recommender Systems

Bin Liu, Dakui Sheng, Haoxun He, Huanhuan Cao, Ke Wang, Li Xiao, Yao Yao

arxiv:2204.00281 v2 · 2022-04-01 · cs.IR · cs.AI · 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{7W4JE6NZITAIGTSVQPF3LWILNY}

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	2026-07-05T07:11:50.670420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdb89279b944c0834e5583cbb5d90b6e09710d51ab49df9468f464ca6846e38e

Aliases

arxiv: 2204.00281 · arxiv_version: 2204.00281v2 · doi: 10.48550/arxiv.2204.00281 · pith_short_12: 7W4JE6NZITAI · pith_short_16: 7W4JE6NZITAIGTSV · pith_short_8: 7W4JE6NZ

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/7W4JE6NZITAIGTSVQPF3LWILNY \
  | 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: fdb89279b944c0834e5583cbb5d90b6e09710d51ab49df9468f464ca6846e38e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40aeeee8a698152dc647a08669bab0f2fa2530e10cc7f78c438e3cf09f0936bc",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-04-01T08:30:06Z",
    "title_canon_sha256": "9cf3c70df7353a295095b65dae2dec7bab3328706ae0843995882f21f86d7237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.00281",
    "kind": "arxiv",
    "version": 2
  }
}