Pith Number

pith:QM7A5GZI

pith:2024:QM7A5GZIZRYF4265FNP5UQ3FE6

not attested not anchored not stored refs pending

Non-parametric structural shape optimization of piecewise developable surfaces using discrete differential geometry

Jingyao Zhang, Kentaro Hayakawa, Makoto Ohsaki

arxiv:2411.13843 v1 · 2024-11-21 · 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{QM7A5GZIZRYF4265FNP5UQ3FE6}

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	2026-07-05T09:38:37.893162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

833e0e9b28cc705e6bdd2b5fda436527925aeb9a79bf1f03cff7677576c1443f

Aliases

arxiv: 2411.13843 · arxiv_version: 2411.13843v1 · doi: 10.48550/arxiv.2411.13843 · pith_short_12: QM7A5GZIZRYF · pith_short_16: QM7A5GZIZRYF4265 · pith_short_8: QM7A5GZI

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/QM7A5GZIZRYF4265FNP5UQ3FE6 \
  | 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: 833e0e9b28cc705e6bdd2b5fda436527925aeb9a79bf1f03cff7677576c1443f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45a28bb5e97864f576ea69d50adde2f79f3896e294772947d294a64caa03038f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2024-11-21T05:03:12Z",
    "title_canon_sha256": "3ea4b9fee85de409660f6b68f6cd989573355122778606da6dba0c8ce023f902"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.13843",
    "kind": "arxiv",
    "version": 1
  }
}