Pith Number

pith:RURNGGNX

pith:2007:RURNGGNXIW2IA3T3FRO3X5ZPMS

not attested not anchored not stored refs pending

Compact broadband planar orthomode transducer

G. Yassin, M.E. Jones, O.G. King, P.K. Grimes

arxiv:0709.1777 v1 · 2007-09-12 · astro-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{RURNGGNXIW2IA3T3FRO3X5ZPMS}

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	2026-05-18T03:14:17.949930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d22d319b745b4806e7b2c5dbbf72f648c8d8d2edafaa082c456e81b67853ac9

Aliases

arxiv: 0709.1777 · arxiv_version: 0709.1777v1 · doi: 10.48550/arxiv.0709.1777 · pith_short_12: RURNGGNXIW2I · pith_short_16: RURNGGNXIW2IA3T3 · pith_short_8: RURNGGNX

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/RURNGGNXIW2IA3T3FRO3X5ZPMS \
  | 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: 8d22d319b745b4806e7b2c5dbbf72f648c8d8d2edafaa082c456e81b67853ac9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2285c4fea6b822912cd892ec4ba65b423d73aa4f927e2e919e998d59a3d3a6b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-09-12T18:45:30Z",
    "title_canon_sha256": "52a98f5fc2faed6a52c2ed03872ed7e1fcddf0a941ef514eac039b8c9f0a2e64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.1777",
    "kind": "arxiv",
    "version": 1
  }
}