Pith Number

pith:W4ZZABEP

pith:2018:W4ZZABEPSNSBJ4VNI23S5L2FYX

not attested not anchored not stored refs pending

Exact Solution for the Protected TEM edge mode in a PTD-Symmetric Parallel-Plate Waveguide

Enrica Martini, Mario G. Silveirinha, Stefano Maci

arxiv:1809.09974 v2 · 2018-09-24 · physics.class-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{W4ZZABEPSNSBJ4VNI23S5L2FYX}

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	2026-05-17T23:50:12.310220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b73390048f936414f2ad46b72eaf45c5f7822e2b3e3c0fddcd97cf00912ba920

Aliases

arxiv: 1809.09974 · arxiv_version: 1809.09974v2 · doi: 10.48550/arxiv.1809.09974 · pith_short_12: W4ZZABEPSNSB · pith_short_16: W4ZZABEPSNSBJ4VN · pith_short_8: W4ZZABEP

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/W4ZZABEPSNSBJ4VNI23S5L2FYX \
  | 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: b73390048f936414f2ad46b72eaf45c5f7822e2b3e3c0fddcd97cf00912ba920

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "834b15613ef98087e2cbd6bf31a89e8031988d3a518bdbaec45a3dda1dee119f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2018-09-24T21:11:56Z",
    "title_canon_sha256": "0bdfa162189e6b709c227e91218900192988286ddd6b91bb8b277c827a92736e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09974",
    "kind": "arxiv",
    "version": 2
  }
}