Pith Number

pith:EW4VLMLK

pith:2020:EW4VLMLKLCB2IJX3UYBMHP6AGB

not attested not anchored not stored refs pending

Large scale three-dimensional manufacturing tolerant stress-constrained topology optimization

Andr\'e Te\'ofilo Beck, Gustavo Assis da Silva, Niels Aage, Ole Sigmund

arxiv:2006.12927 v1 · 2020-06-23 · 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{EW4VLMLKLCB2IJX3UYBMHP6AGB}

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	2026-07-05T02:01:13.050732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25b955b16a5883a426fba602c3bfc0304735f2028723693b479d83848a3a287f

Aliases

arxiv: 2006.12927 · arxiv_version: 2006.12927v1 · doi: 10.48550/arxiv.2006.12927 · pith_short_12: EW4VLMLKLCB2 · pith_short_16: EW4VLMLKLCB2IJX3 · pith_short_8: EW4VLMLK

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/EW4VLMLKLCB2IJX3UYBMHP6AGB \
  | 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: 25b955b16a5883a426fba602c3bfc0304735f2028723693b479d83848a3a287f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f51751f8cf1e0d384bd6f787d2485257681637e0bffa2a3c4f6611cdb5feb297",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2020-06-23T12:05:00Z",
    "title_canon_sha256": "ecdf7c986e42a59ad58d7f20aade187e20edc17e030bc967706b8584e832714b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.12927",
    "kind": "arxiv",
    "version": 1
  }
}