Pith Number

pith:X73NY4QF

pith:2018:X73NY4QFVL7DCCJRA5WCGAROJF

not attested not anchored not stored refs pending

Topology optimization of micro-structured materials featured with the specific mechanical properties

Hao Li, Jie Gao, Liang Gao, Peigen Li, Zhen Luo

arxiv:1808.08647 v2 · 2018-08-27 · 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{X73NY4QFVL7DCCJRA5WCGAROJF}

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	2026-05-18T00:01:06.902965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bff6dc7205aafe310931076c23022e49678474b2b1643a0220759a97737e2da1

Aliases

arxiv: 1808.08647 · arxiv_version: 1808.08647v2 · doi: 10.48550/arxiv.1808.08647 · pith_short_12: X73NY4QFVL7D · pith_short_16: X73NY4QFVL7DCCJR · pith_short_8: X73NY4QF

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/X73NY4QFVL7DCCJRA5WCGAROJF \
  | 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: bff6dc7205aafe310931076c23022e49678474b2b1643a0220759a97737e2da1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "851d3f819f3ee611d1ddbfb753458e572799e8ebf550867de9de667566cb6509",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2018-08-27T01:04:46Z",
    "title_canon_sha256": "bd87a231a4abde0e8eb35344692c897ad6006299e6524d12d4ff21393b73bdae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08647",
    "kind": "arxiv",
    "version": 2
  }
}