Pith Number

pith:DLWBFHO3

pith:2019:DLWBFHO3Y4Q56CMXYVYSCPBLI7

not attested not anchored not stored refs pending

Designing Photonic Topological Insulators with Quantum-Spin-Hall Edge States using Topology Optimization

Fengwen Wang, Ole Sigmund, Rasmus E. Christiansen, S{\o}ren Stobbe

arxiv:1904.08106 v1 · 2019-04-17 · cond-mat.mes-hall · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DLWBFHO3Y4Q56CMXYVYSCPBLI7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:48:18.729544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1aec129ddbc721df0997c571213c2b47f1cc9969bb82b5cbb2b39369192c115b

Aliases

arxiv: 1904.08106 · arxiv_version: 1904.08106v1 · doi: 10.48550/arxiv.1904.08106 · pith_short_12: DLWBFHO3Y4Q5 · pith_short_16: DLWBFHO3Y4Q56CMX · pith_short_8: DLWBFHO3

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/DLWBFHO3Y4Q56CMXYVYSCPBLI7 \
  | 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: 1aec129ddbc721df0997c571213c2b47f1cc9969bb82b5cbb2b39369192c115b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8759e902d880629d4964f6224202ee01317d82dd43b86106c5297b783bd8dfbd",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-04-17T06:47:22Z",
    "title_canon_sha256": "7b6ab3b744c6f8450fa8efb2161f3369b28c1ad4991c204f0fb95c19c0d637f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08106",
    "kind": "arxiv",
    "version": 1
  }
}