Pith Number

pith:ESCJ2S2F

pith:2004:ESCJ2S2FPGXKFCIOXESIYN7BOU

not attested not anchored not stored refs pending

Peano High Impedance Surfaces

Ahmad Hoorfar, John McVay, Nader Engheta

arxiv:cond-mat/0411464 v1 · 2004-11-18 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ESCJ2S2FPGXKFCIOXESIYN7BOU}

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	2026-05-18T01:39:57.349869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24849d4b4579aea2890eb9248c37e17535ee2e0a04c5b12764aed800be9db13b

Aliases

arxiv: cond-mat/0411464 · arxiv_version: cond-mat/0411464v1 · doi: 10.48550/arxiv.cond-mat/0411464 · pith_short_12: ESCJ2S2FPGXK · pith_short_16: ESCJ2S2FPGXKFCIO · pith_short_8: ESCJ2S2F

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/ESCJ2S2FPGXKFCIOXESIYN7BOU \
  | 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: 24849d4b4579aea2890eb9248c37e17535ee2e0a04c5b12764aed800be9db13b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c67ccbfc3802ab54629d07b3dd5d17935e654169599db9c3720db48eecbd6a89",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2004-11-18T06:28:27Z",
    "title_canon_sha256": "f75d0a2edad16883c5d68c0b3d9d51c4fcf467cb977070df1c2b693af7e07f81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0411464",
    "kind": "arxiv",
    "version": 1
  }
}