Pith Number

pith:SWMKUSV7

pith:2019:SWMKUSV7B3VTPKW4HVBDXMD6MD

not attested not anchored not stored refs pending

Structural Design Using Laplacian Shells

Erva Ulu, James McCann, Levent Burak Kara

arxiv:1906.10669 v1 · 2019-06-25 · cs.CG · cs.GR · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SWMKUSV7B3VTPKW4HVBDXMD6MD}

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	2026-05-17T23:42:15.643208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9598aa4abf0eeb37aadc3d423bb07e60e829753caa680f27ad625a6c5e3ed207

Aliases

arxiv: 1906.10669 · arxiv_version: 1906.10669v1 · doi: 10.48550/arxiv.1906.10669 · pith_short_12: SWMKUSV7B3VT · pith_short_16: SWMKUSV7B3VTPKW4 · pith_short_8: SWMKUSV7

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/SWMKUSV7B3VTPKW4HVBDXMD6MD \
  | 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: 9598aa4abf0eeb37aadc3d423bb07e60e829753caa680f27ad625a6c5e3ed207

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08f19edf698aaadc84fab936e9b6a59001d24e57af214d54de9c680f0180f87c",
    "cross_cats_sorted": [
      "cs.GR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-06-25T17:06:07Z",
    "title_canon_sha256": "1ec5ec3273c41f43737e48031ecac38e70260df377902be2f523a568a2aa47e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10669",
    "kind": "arxiv",
    "version": 1
  }
}