Pith Number

pith:G63Z65RK

pith:2017:G63Z65RK7PIXJ7M6VKPYDYDIPM

not attested not anchored not stored refs pending

Self-supporting Topology Optimization for Additive Manufacturing

Dengyang Zhao, Ming Li, Yusheng Liu

arxiv:1708.07364 v1 · 2017-08-24 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G63Z65RK7PIXJ7M6VKPYDYDIPM}

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	2026-05-18T00:36:44.548464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37b79f762afbd174fd9eaa9f81e0687b00d0528aa0db6e15188e0ef71b9d390e

Aliases

arxiv: 1708.07364 · arxiv_version: 1708.07364v1 · doi: 10.48550/arxiv.1708.07364 · pith_short_12: G63Z65RK7PIX · pith_short_16: G63Z65RK7PIXJ7M6 · pith_short_8: G63Z65RK

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/G63Z65RK7PIXJ7M6VKPYDYDIPM \
  | 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: 37b79f762afbd174fd9eaa9f81e0687b00d0528aa0db6e15188e0ef71b9d390e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd0bd102956083f0af6135f42165fcc7cadb71a2485432c2c8324fa74ac88650",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2017-08-24T11:55:15Z",
    "title_canon_sha256": "cb539d3e9ee26fcc9085ed57849dd8da7152bdcc054cb523df70576ca21e1623"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07364",
    "kind": "arxiv",
    "version": 1
  }
}