Pith Number

pith:KJB7S34S

pith:2016:KJB7S34SXP5RAE5HMIR2UXEXVC

not attested not anchored not stored refs pending

Fundamental Efficiency Limits for Small Metallic Antennas

Carl Pfeiffer

arxiv:1612.07317 v2 · 2016-12-21 · physics.ins-det · 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{KJB7S34SXP5RAE5HMIR2UXEXVC}

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	2026-05-18T00:45:43.737136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5243f96f92bbfb1013a76223aa5c97a8a0f28745c0de6f845b1e1a09e897a4e0

Aliases

arxiv: 1612.07317 · arxiv_version: 1612.07317v2 · doi: 10.48550/arxiv.1612.07317 · pith_short_12: KJB7S34SXP5R · pith_short_16: KJB7S34SXP5RAE5H · pith_short_8: KJB7S34S

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/KJB7S34SXP5RAE5HMIR2UXEXVC \
  | 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: 5243f96f92bbfb1013a76223aa5c97a8a0f28745c0de6f845b1e1a09e897a4e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f029839b256069d8e07cd811e86702f9e0c78a6fec90c1eb7be4ba00d8654f0",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2016-12-21T01:27:11Z",
    "title_canon_sha256": "0181a2880c364be79923b69f67b7a9f4fc66a07b99c543e0d1e5e31835c0be1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.07317",
    "kind": "arxiv",
    "version": 2
  }
}