Pith Number

pith:R7LPLZCZ

pith:2008:R7LPLZCZEBUXOC3VUWC4TKTL2V

not attested not anchored not stored refs pending

Analysis of performance of three- and five-stack achromatic half-wave plates at millimeter wavelengths

Bradley R. Johnson, Prashanth Jonnalagadda, Shaul Hanany, Terry J. Jones, Tomotake Matsumura

arxiv:0806.1518 v1 · 2008-06-09 · physics.optics · 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{R7LPLZCZEBUXOC3VUWC4TKTL2V}

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	2026-05-18T01:22:44.343624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fd6f5e4592069770b75a585c9aa6bd571e56d422f1198a9e072cd075cd38652

Aliases

arxiv: 0806.1518 · arxiv_version: 0806.1518v1 · doi: 10.48550/arxiv.0806.1518 · pith_short_12: R7LPLZCZEBUX · pith_short_16: R7LPLZCZEBUXOC3V · pith_short_8: R7LPLZCZ

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/R7LPLZCZEBUXOC3VUWC4TKTL2V \
  | 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: 8fd6f5e4592069770b75a585c9aa6bd571e56d422f1198a9e072cd075cd38652

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ecd982deaa6b8fb52478cfe13838430f4607747fc669ceb93673168281ddfb98",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2008-06-09T19:25:38Z",
    "title_canon_sha256": "02a8fe5aa010748157e77aabe2f93cf1846fe870ce0b98abb0bf5cc44a6936d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.1518",
    "kind": "arxiv",
    "version": 1
  }
}