Pith Number

pith:Y5WC5MB4

pith:2018:Y5WC5MB4KVJUIDSSDSCF6F4IK6

not attested not anchored not stored refs pending

Narrowband Bandpass Frequency Selective Surface with Miniaturized Elements

Amir Ebrahimi, James Scott, Kamran Ghorbani, Thomas Baum

arxiv:1802.07454 v1 · 2018-02-21 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y5WC5MB4KVJUIDSSDSCF6F4IK6}

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	2026-05-18T00:22:50.232037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c76c2eb03c5553440e521c845f178857ada200f61bccfff0456fb7ecafa9980b

Aliases

arxiv: 1802.07454 · arxiv_version: 1802.07454v1 · doi: 10.48550/arxiv.1802.07454 · pith_short_12: Y5WC5MB4KVJU · pith_short_16: Y5WC5MB4KVJUIDSS · pith_short_8: Y5WC5MB4

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/Y5WC5MB4KVJUIDSSDSCF6F4IK6 \
  | 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: c76c2eb03c5553440e521c845f178857ada200f61bccfff0456fb7ecafa9980b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40906ce744083fb2ba6c81bf3d920fa5d4c27b3b538b4843969b1379caca200d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-02-21T07:42:20Z",
    "title_canon_sha256": "100222d565c065b8cd13b814a880a9aff303a55056862847b7a97e7408f575e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07454",
    "kind": "arxiv",
    "version": 1
  }
}