Pith Number

pith:AZ7AF2MJ

pith:2025:AZ7AF2MJXHDCVEVIJF3RNYE3VZ

not attested not anchored not stored refs pending

Sparsification and Reconstruction from the Perspective of Representation Geometry

Bingzhe Wu, Chengke Wu, Wenjie Sun, Zhile Yang

arxiv:2505.22506 v1 · 2025-05-28 · 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{AZ7AF2MJXHDCVEVIJF3RNYE3VZ}

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	2026-07-05T11:11:25.474200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

067e02e989b9c62a92a8497716e09bae63fcba3b1c0545029ce830a743ec4848

Aliases

arxiv: 2505.22506 · arxiv_version: 2505.22506v1 · doi: 10.48550/arxiv.2505.22506 · pith_short_12: AZ7AF2MJXHDC · pith_short_16: AZ7AF2MJXHDCVEVI · pith_short_8: AZ7AF2MJ

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/AZ7AF2MJXHDCVEVIJF3RNYE3VZ \
  | 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: 067e02e989b9c62a92a8497716e09bae63fcba3b1c0545029ce830a743ec4848

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84391d3aea73b31da164d820a5cfb7d8342e63e5e19a4156e7a5d141daa698b4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-05-28T15:54:33Z",
    "title_canon_sha256": "cf710495f769f07d0ac5fc1f10448779596bc5d057828e221a715f6384a700fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.22506",
    "kind": "arxiv",
    "version": 1
  }
}