Pith Number

pith:J75A32SF

pith:2025:J75A32SFHO4C5VEAVW6S237BQE

not attested not anchored not stored refs pending

Fast approximate solvers for metamaterials design in electromagnetism

Raphael Pestourie

arxiv:2503.20065 v1 · 2025-03-25 · physics.app-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J75A32SFHO4C5VEAVW6S237BQE}

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.

Cited by

1 paper in Pith

Neural Operator-enabled Topology-informed Evolutionary Strategy for PDE-Constrained Optimization

Receipt and verification

First computed	2026-07-05T12:11:16.482126Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ffa0dea453bb82ed480adbd2d6fe1813d9db3da834f7a93dfe48e152a689feb

Aliases

arxiv: 2503.20065 · arxiv_version: 2503.20065v1 · doi: 10.48550/arxiv.2503.20065 · pith_short_12: J75A32SFHO4C · pith_short_16: J75A32SFHO4C5VEA · pith_short_8: J75A32SF

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/J75A32SFHO4C5VEAVW6S237BQE \
  | 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: 4ffa0dea453bb82ed480adbd2d6fe1813d9db3da834f7a93dfe48e152a689feb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ccda1eb996db53fbb9ad98247fef8fafcbd38b57c6feee9c47d2d6c539ab555",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2025-03-25T20:59:04Z",
    "title_canon_sha256": "fcc58d60dab2658a6ef01ef00af42f6643d7afe190e152c65e6705c943d01d6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.20065",
    "kind": "arxiv",
    "version": 1
  }
}