Pith Number

pith:4QOP3GYR

pith:2017:4QOP3GYRHVT6X6MWJ63VL2PDMK

not attested not anchored not stored refs pending

Robust Truss Topology Optimization via Semidefinite Programming with Complementarity Constraints: A Difference-of-Convex Programming Approach

Yoshihiro Kanno

arxiv:1711.02351 v2 · 2017-11-07 · 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{4QOP3GYRHVT6X6MWJ63VL2PDMK}

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	2026-05-17T23:55:38.925696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e41cfd9b113d67ebf9964fb755e9e3628a6f101b99a0f5308ba2785a87215f70

Aliases

arxiv: 1711.02351 · arxiv_version: 1711.02351v2 · doi: 10.48550/arxiv.1711.02351 · pith_short_12: 4QOP3GYRHVT6 · pith_short_16: 4QOP3GYRHVT6X6MW · pith_short_8: 4QOP3GYR

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/4QOP3GYRHVT6X6MWJ63VL2PDMK \
  | 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: e41cfd9b113d67ebf9964fb755e9e3628a6f101b99a0f5308ba2785a87215f70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b0465f009f25e60ef94237231f2af51a45ada94947b9bbb09714d4f0c4ec395",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-11-07T09:27:08Z",
    "title_canon_sha256": "0742136cb7d128c0ca38200f3eea7570403890128a75aab48c74d6af90f3568f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02351",
    "kind": "arxiv",
    "version": 2
  }
}