Pith Number

pith:IMVPUWM3

pith:2017:IMVPUWM3VTX7726U2O5GMXLATX

not attested not anchored not stored refs pending

Support-Free Hollowing for 3D Printing via Voronoi Diagram of Ellipses

Deok-Soo Kim, Joonghyun Ryu, Ligang Liu, Mokwon Lee, Qing Fang

arxiv:1708.06577 v1 · 2017-08-22 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IMVPUWM3VTX7726U2O5GMXLATX}

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	2026-05-18T00:37:33.115333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

432afa599bacefffebd4d3ba665d609df3d927a7be6e6f337e712f2699bc0942

Aliases

arxiv: 1708.06577 · arxiv_version: 1708.06577v1 · doi: 10.48550/arxiv.1708.06577 · pith_short_12: IMVPUWM3VTX7 · pith_short_16: IMVPUWM3VTX7726U · pith_short_8: IMVPUWM3

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/IMVPUWM3VTX7726U2O5GMXLATX \
  | 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: 432afa599bacefffebd4d3ba665d609df3d927a7be6e6f337e712f2699bc0942

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb5b85b630830b56ded9465fe2117267974aeb5e5e0cd5902cfdb987abc9b770",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-08-22T12:20:14Z",
    "title_canon_sha256": "4195e553358a8849c5b4063d8352597c54c7696b30b28df29e91f2dee85ca707"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06577",
    "kind": "arxiv",
    "version": 1
  }
}