Pith Number

pith:N3XLKN37

pith:2025:N3XLKN37HI2WFONTKDRW4JIEB5

not attested not anchored not stored refs pending

The Fourier modal method for gratings with bi-anisotropic materials

Ilia Smagin, Nikolay Gippius, Sergey Dyakov

arxiv:2510.05973 v2 · 2025-10-07 · 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{N3XLKN37HI2WFONTKDRW4JIEB5}

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	2026-05-17T23:39:01.085740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6eeeb5377f3a3562b9b350e36e25040f4f6853cdadb8549240bc94e40eab02ac

Aliases

arxiv: 2510.05973 · arxiv_version: 2510.05973v2 · doi: 10.48550/arxiv.2510.05973 · pith_short_12: N3XLKN37HI2W · pith_short_16: N3XLKN37HI2WFONT · pith_short_8: N3XLKN37

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/N3XLKN37HI2WFONTKDRW4JIEB5 \
  | 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: 6eeeb5377f3a3562b9b350e36e25040f4f6853cdadb8549240bc94e40eab02ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7211e208d825818ab277f90f45db36243103993d89a5b144074df59c075affaa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-10-07T14:29:20Z",
    "title_canon_sha256": "384a88dc2a7a79ca59f04f27d2e91005b357e47edc03ea69012519439ead6baf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.05973",
    "kind": "arxiv",
    "version": 2
  }
}