Pith Number

pith:SAMC7VBF

pith:2024:SAMC7VBFZHQFOKKYRUFNAT3THS

not attested not anchored not stored refs pending

Multimodal Effective Permittivity Model for Metasurfaces Embedded in Layered Media

Christopher T. Howard, Kenneth W. Allen, William D. Hunt

arxiv:2410.17981 v1 · 2024-10-23 · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SAMC7VBFZHQFOKKYRUFNAT3THS}

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	2026-07-05T09:24:47.725510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90182fd425c9e05729588d0ad04f733c956218f5edeef1c918aebb121e593825

Aliases

arxiv: 2410.17981 · arxiv_version: 2410.17981v1 · doi: 10.48550/arxiv.2410.17981 · pith_short_12: SAMC7VBFZHQF · pith_short_16: SAMC7VBFZHQFOKKY · pith_short_8: SAMC7VBF

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/SAMC7VBFZHQFOKKYRUFNAT3THS \
  | 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: 90182fd425c9e05729588d0ad04f733c956218f5edeef1c918aebb121e593825

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fcbf3c4a0e9354a0a4056a0b82a9ddff4d1d732afeb3b82cdad57798d41c291",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2024-10-23T15:51:15Z",
    "title_canon_sha256": "6acb6e352fb5625085261c4662b05283f01774d1e17d4b5f49fd6fb873b48965"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.17981",
    "kind": "arxiv",
    "version": 1
  }
}