Pith Number

pith:QPMDQI3L

pith:2011:QPMDQI3LPNBVUWY6GE6MCH2ZSV

not attested not anchored not stored refs pending

A Circularly Symmetric Antenna Design With High Polarization Purity and Low Spillover

A. C. S. Readhead, A. C. Taylor, C. J. Copley, C. M. Holler, M. A. Stevenson, M. E. Jones, O. G. King, R. J. Davis, R. J. Wylde, S. J. C. Muchovej, T. J. Pearson

arxiv:1111.2702 v3 · 2011-11-11 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QPMDQI3LPNBVUWY6GE6MCH2ZSV}

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	2026-05-18T00:57:57.183684Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83d838236b7b435a5b1e313cc11f59956fdb06b7bee19d5fe53afeae78dd6c45

Aliases

arxiv: 1111.2702 · arxiv_version: 1111.2702v3 · doi: 10.48550/arxiv.1111.2702 · pith_short_12: QPMDQI3LPNBV · pith_short_16: QPMDQI3LPNBVUWY6 · pith_short_8: QPMDQI3L

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/QPMDQI3LPNBVUWY6GE6MCH2ZSV \
  | 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: 83d838236b7b435a5b1e313cc11f59956fdb06b7bee19d5fe53afeae78dd6c45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "983b2758facec51d9da6d561f3c356198ce1c32fb13a47c1288e5d18097256c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-11-11T10:42:44Z",
    "title_canon_sha256": "f16e9b942bc577673b4daa0596442fceeed1c940365503bb1e83e3ba6f05088d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2702",
    "kind": "arxiv",
    "version": 3
  }
}