Pith Number

pith:WMUPM3DI

pith:2026:WMUPM3DI7ZNMC5RVM3UDRHCT3D

not attested not anchored not stored refs pending

SharpNet: Enhancing MLPs to Represent Functions with Controlled Non-differentiability

Fei Hou, Hanting Niu, Junkai Deng, Wencheng Wang, Ying He

arxiv:2601.19683 v2 · 2026-01-27 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WMUPM3DI7ZNMC5RVM3UDRHCT3D}

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	2026-06-04T01:08:40.558839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b328f66c68fe5ac1763566e8389c53d8f5a1c1b669ff34f9fb43441ec3dfa01c

Aliases

arxiv: 2601.19683 · arxiv_version: 2601.19683v2 · doi: 10.48550/arxiv.2601.19683 · pith_short_12: WMUPM3DI7ZNM · pith_short_16: WMUPM3DI7ZNMC5RV · pith_short_8: WMUPM3DI

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/WMUPM3DI7ZNMC5RVM3UDRHCT3D \
  | 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: b328f66c68fe5ac1763566e8389c53d8f5a1c1b669ff34f9fb43441ec3dfa01c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2abd850cba03c2ed0d52a5a3a8d07c84d1af92be6ad4e4d7d6b9d7b9bc7244e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-01-27T15:01:11Z",
    "title_canon_sha256": "93666eb945ce0b5dd722594a3fb0c7af72fc3072c31b8d7f254c7133459fdf62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.19683",
    "kind": "arxiv",
    "version": 2
  }
}