Pith Number

pith:J7CIJVSP

pith:2023:J7CIJVSPBLL5O3LH3F54P5X4OS

not attested not anchored not stored refs pending

Adaptive Isogeometric Topology Optimization of Shell Structures based on PHT-splines

Falai Chen, Hongmei Kang, Qiong Pan, Xiaoya Zhai, Zepeng Wen

arxiv:2312.07889 v1 · 2023-12-13 · math.OC · cs.CE · cs.CG · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J7CIJVSPBLL5O3LH3F54P5X4OS}

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	2026-07-05T07:23:38.774926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fc484d64f0ad7d76d67d97bc7f6fc748b9f502b7f25824339b37c492a32cafb

Aliases

arxiv: 2312.07889 · arxiv_version: 2312.07889v1 · doi: 10.48550/arxiv.2312.07889 · pith_short_12: J7CIJVSPBLL5 · pith_short_16: J7CIJVSPBLL5O3LH · pith_short_8: J7CIJVSP

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/J7CIJVSPBLL5O3LH3F54P5X4OS \
  | 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: 4fc484d64f0ad7d76d67d97bc7f6fc748b9f502b7f25824339b37c492a32cafb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "879a3c7dc0f3d799de77d2213b7b2172c6e3f91208e63e493732c576e5e77960",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.CG",
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-12-13T04:23:44Z",
    "title_canon_sha256": "0129fb6808653338f8c864786a50ca7b18e80bcaa781cccee8d0e5fd24798ff7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.07889",
    "kind": "arxiv",
    "version": 1
  }
}