Pith Number

pith:K243H4CZ

pith:2025:K243H4CZSHDILWFILEWDJGYYSS

not attested not anchored not stored refs pending

Point-LN: A Lightweight Framework for Efficient Point Cloud Classification Using Non-Parametric Positional Encoding

Amir Salarpour, Marzieh Mohammadi, Pedram MohajerAnsari

arxiv:2501.14238 v2 · 2025-01-24 · cs.CV · cs.AI · cs.LG · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K243H4CZSHDILWFILEWDJGYYSS}

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	2026-07-05T10:08:28.480445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56b9b3f05991c685d8a8592c349b1894bb55781e84fbd22a28ac617fd303d72a

Aliases

arxiv: 2501.14238 · arxiv_version: 2501.14238v2 · doi: 10.48550/arxiv.2501.14238 · pith_short_12: K243H4CZSHDI · pith_short_16: K243H4CZSHDILWFI · pith_short_8: K243H4CZ

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/K243H4CZSHDILWFILEWDJGYYSS \
  | 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: 56b9b3f05991c685d8a8592c349b1894bb55781e84fbd22a28ac617fd303d72a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cedbdc853db33ffbfb4d3405d5baf7a55818529944bce4fadbea739c0090981",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "cs.RO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-01-24T04:50:16Z",
    "title_canon_sha256": "951272ff9a2e36bc86f999f0cebba9f2f0b41ed5ad070a1aef1bcfedfd754fe9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.14238",
    "kind": "arxiv",
    "version": 2
  }
}