Pith Number

pith:4C54JP7Z

pith:2019:4C54JP7ZHYAAJOLTMS4TCTXVO6

not attested not anchored not stored refs pending

Structural multiscale topology optimization with stress constraint for additive manufacturing

Alessandro Reali, Dietmar H\"omberg, Elena Bonetti, Elisabetta Rocca, Ferdinando Auricchio, Massimo Carraturo

arxiv:1907.06355 v1 · 2019-07-15 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4C54JP7ZHYAAJOLTMS4TCTXVO6}

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	2026-05-17T23:40:37.834453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0bbc4bff93e0004b97364b9314ef577ba2c58d4cbb50a48d75d885b00a27eaa

Aliases

arxiv: 1907.06355 · arxiv_version: 1907.06355v1 · doi: 10.48550/arxiv.1907.06355 · pith_short_12: 4C54JP7ZHYAA · pith_short_16: 4C54JP7ZHYAAJOLT · pith_short_8: 4C54JP7Z

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/4C54JP7ZHYAAJOLTMS4TCTXVO6 \
  | 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: e0bbc4bff93e0004b97364b9314ef577ba2c58d4cbb50a48d75d885b00a27eaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab19a1a4946a9d993f0193e99260b07efe984bfd13620ffb8ee50c8fce75be04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-07-15T08:04:57Z",
    "title_canon_sha256": "2a2affd5220c8ff4e8680e065abfb3213d1fe53ee37132eb3ca1ebdd33b8e6a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06355",
    "kind": "arxiv",
    "version": 1
  }
}