Pith Number

pith:J6TVKCDD

pith:2017:J6TVKCDD66MT3GSLOQUOYPH4MA

not attested not anchored not stored refs pending

Trade-off Between Antenna Efficiency and Q-Factor

Kurt Schab, Mats Gustafsson, Miloslav Capek

arxiv:1802.01476 v2 · 2017-11-10 · 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{J6TVKCDD66MT3GSLOQUOYPH4MA}

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	2026-05-17T23:51:59.098912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fa7550863f7993d9a4b7428ec3cfc603803f7404a34f070d0c5ef9885c45554

Aliases

arxiv: 1802.01476 · arxiv_version: 1802.01476v2 · doi: 10.48550/arxiv.1802.01476 · pith_short_12: J6TVKCDD66MT · pith_short_16: J6TVKCDD66MT3GSL · pith_short_8: J6TVKCDD

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/J6TVKCDD66MT3GSLOQUOYPH4MA \
  | 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: 4fa7550863f7993d9a4b7428ec3cfc603803f7404a34f070d0c5ef9885c45554

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2b92296c0882abf4757c46ba2d20c22b7740f307706cedd1acf82c0526b608e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2017-11-10T09:17:57Z",
    "title_canon_sha256": "e90b3203e174e9a7172a9cf3afa21247557e16fad3d9652f258e2d8186df3d53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01476",
    "kind": "arxiv",
    "version": 2
  }
}