Pith Number

pith:DCU7DMKA

pith:2013:DCU7DMKARW462J53KIUL7UPQXZ

not attested not anchored not stored refs pending

Topology Optimization of Electric Machines based on Topological Sensitivity Analysis

Peter Gangl, Ulrich Langer

arxiv:1312.4356 v1 · 2013-12-16 · 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{DCU7DMKARW462J53KIUL7UPQXZ}

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	2026-05-17T23:50:47.503877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18a9f1b1408db9ed27bb5228bfd1f0be6a5bfed85763f1c6c7f90c3c767d556f

Aliases

arxiv: 1312.4356 · arxiv_version: 1312.4356v1 · doi: 10.48550/arxiv.1312.4356 · pith_short_12: DCU7DMKARW46 · pith_short_16: DCU7DMKARW462J53 · pith_short_8: DCU7DMKA

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/DCU7DMKARW462J53KIUL7UPQXZ \
  | 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: 18a9f1b1408db9ed27bb5228bfd1f0be6a5bfed85763f1c6c7f90c3c767d556f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4423b4df0e90ac67349e077cdea2e757b0280d905ac77f05c4958af6764235ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-12-16T13:39:15Z",
    "title_canon_sha256": "dcf792bf4d82a772410b4c732d88c80a977b55f428635fb2ab50b680c47b43ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4356",
    "kind": "arxiv",
    "version": 1
  }
}