Pith Number

pith:2M4ME4E4

pith:2016:2M4ME4E4RXU7LBZFIVQEDTI223

not attested not anchored not stored refs pending

Shape Optimization Using the Cut Finite Element Method

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

arxiv:1611.05673 v1 · 2016-11-17 · 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{2M4ME4E4RXU7LBZFIVQEDTI223}

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	2026-05-17T23:54:56.984031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d338c2709c8de9f58725456041cd1ad6edf3361067b408b42d94acc453db0246

Aliases

arxiv: 1611.05673 · arxiv_version: 1611.05673v1 · doi: 10.48550/arxiv.1611.05673 · pith_short_12: 2M4ME4E4RXU7 · pith_short_16: 2M4ME4E4RXU7LBZF · pith_short_8: 2M4ME4E4

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/2M4ME4E4RXU7LBZFIVQEDTI223 \
  | 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: d338c2709c8de9f58725456041cd1ad6edf3361067b408b42d94acc453db0246

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "402f48df1c68b8e94acf4595a9e9f370ba692ca1875f358fe5e8c075a2d7ae1f",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-11-17T13:16:31Z",
    "title_canon_sha256": "8c227ffd3351375773557aeedd7971cf529431e2b374d1acc39bcdd1c8f8ba76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.05673",
    "kind": "arxiv",
    "version": 1
  }
}