Pith Number

pith:I4CAZWHH

pith:2021:I4CAZWHHNKZSQ35E55RH7ANDGZ

not attested not anchored not stored refs pending

Layer-wise Model Pruning based on Mutual Information

Chun Fan, Fei Wu, Jiwei Li, Xiang Ao, Xiaofei Sun, Yuxian Meng

arxiv:2108.12594 v1 · 2021-08-28 · cs.CL · 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{I4CAZWHHNKZSQ35E55RH7ANDGZ}

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	2026-07-05T03:09:33.768628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47040cd8e76ab3286fa4ef627f81a3364864ac521a7ee6323769594837c218a7

Aliases

arxiv: 2108.12594 · arxiv_version: 2108.12594v1 · doi: 10.48550/arxiv.2108.12594 · pith_short_12: I4CAZWHHNKZS · pith_short_16: I4CAZWHHNKZSQ35E · pith_short_8: I4CAZWHH

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/I4CAZWHHNKZSQ35E55RH7ANDGZ \
  | 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: 47040cd8e76ab3286fa4ef627f81a3364864ac521a7ee6323769594837c218a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "747a1df0beda6da2228dd19cd8fa9adc7e912ca26df26bead481b7a7b8b8e6a2",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-08-28T07:51:47Z",
    "title_canon_sha256": "30416c77f760b48473476ca43a1e33f07e4e182777b7b85e1f6b76f29e9d7f3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.12594",
    "kind": "arxiv",
    "version": 1
  }
}