Pith Number

pith:2P5OLYI5

pith:2018:2P5OLYI5UCJ4D4K3TTBE34RKPD

not attested not anchored not stored refs pending

Mathematical analysis of transmission properties of electromagnetic meta-materials

Barbara Verf\"urth, Ben Schweizer, Maik Urban, Mario Ohlberger

arxiv:1809.08824 v1 · 2018-09-24 · math.AP · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2P5OLYI5UCJ4D4K3TTBE34RKPD}

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	2026-05-18T00:05:03.445799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3fae5e11da093c1f15b9cc24df22a78cca7d45e48477718acdc69fb741a9d59

Aliases

arxiv: 1809.08824 · arxiv_version: 1809.08824v1 · doi: 10.48550/arxiv.1809.08824 · pith_short_12: 2P5OLYI5UCJ4 · pith_short_16: 2P5OLYI5UCJ4D4K3 · pith_short_8: 2P5OLYI5

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/2P5OLYI5UCJ4D4K3TTBE34RKPD \
  | 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: d3fae5e11da093c1f15b9cc24df22a78cca7d45e48477718acdc69fb741a9d59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efbd65cad3d814c098838188bbbc5899098280e36e5b39c8528f102e9a481607",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-09-24T09:58:30Z",
    "title_canon_sha256": "436f084c61fe64db3698f2d2a5eb8a6051a78ece8e2d35e20aa36c7b7f3c182e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08824",
    "kind": "arxiv",
    "version": 1
  }
}