Pith Number

pith:I7D2JELP

pith:2018:I7D2JELPPNNQ4FU7RBKBBMCLDR

not attested not anchored not stored refs pending

Cut Topology Optimization for Linear Elasticity with Coupling to Parametric Nondesign Domain Regions

Daniel Elfverson, Erik Burman, Karl Larsson, Mats G. Larson, Peter Hansbo

arxiv:1809.07503 v2 · 2018-09-20 · math.NA · 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{I7D2JELPPNNQ4FU7RBKBBMCLDR}

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	2026-05-17T23:51:05.484627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47c7a4916f7b5b0e169f885410b04b1c7e764f0195d92c6f920c707c8e6c2967

Aliases

arxiv: 1809.07503 · arxiv_version: 1809.07503v2 · doi: 10.48550/arxiv.1809.07503 · pith_short_12: I7D2JELPPNNQ · pith_short_16: I7D2JELPPNNQ4FU7 · pith_short_8: I7D2JELP

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/I7D2JELPPNNQ4FU7RBKBBMCLDR \
  | 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: 47c7a4916f7b5b0e169f885410b04b1c7e764f0195d92c6f920c707c8e6c2967

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcf1b5089c8b12739decfd5beea20bd33cd9561f38a8a04d3ab9e86bda3be65d",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-09-20T07:17:29Z",
    "title_canon_sha256": "46fb1b4fb3b8e2b0227c20a310113392070f265e171ed8f4c1a7f0fe3b319f9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07503",
    "kind": "arxiv",
    "version": 2
  }
}