Pith Number

pith:6HYAJHZV

pith:2026:6HYAJHZVBOUX4HGRWPOMDCW3UP

not attested not anchored not stored refs pending

Kernel-SDF: An Open-Source Library for Real-Time Signed Distance Function Estimation using Kernel Regression

Hyondong Oh, Jaemin Seo, Ki Myung Brian Lee, Mani Amani, Nikolay Atanasov, Tianxing Fan, Zhirui Dai

arxiv:2603.29227 v2 · 2026-03-31 · 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{6HYAJHZVBOUX4HGRWPOMDCW3UP}

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	2026-07-28T01:22:32.502427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1f0049f350ba97e1cd1b3dcc18adba3d57ec7943b8456dcbf77c5ce1668233f

Aliases

arxiv: 2603.29227 · arxiv_version: 2603.29227v2 · doi: 10.48550/arxiv.2603.29227 · pith_short_12: 6HYAJHZVBOUX · pith_short_16: 6HYAJHZVBOUX4HGR · pith_short_8: 6HYAJHZV

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/6HYAJHZVBOUX4HGRWPOMDCW3UP \
  | 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: f1f0049f350ba97e1cd1b3dcc18adba3d57ec7943b8456dcbf77c5ce1668233f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe9b4ef744401d5bb2ce620208f4c3a5cc2c20892221712ddbd8a9b61eeed647",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2026-03-31T03:49:51Z",
    "title_canon_sha256": "87c8268e8aec70086ad105096d4aab2d8a36b7cfeaa94a98994656c115c00a5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.29227",
    "kind": "arxiv",
    "version": 2
  }
}