Pith Number

pith:KFHXF4FG

pith:2025:KFHXF4FGTVG2D3EPX3AOHK2U3Z

not attested not anchored not stored refs pending

Prototype sub-wavelength structure anti-reflection coating on alumina filters for ground-based CMB telescopes

Haruyuki Sakurai, J\"urgen Koch, Kosuke Aizawa, Kuniaki Konishi, Rex Lam, Ryosuke Akizawa, Ryota Takaku, Scott Cray, Shaul Hanany, Shotaro Kawano, Tomotake Matsumura

arxiv:2505.11118 v1 · 2025-05-16 · astro-ph.IM · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KFHXF4FGTVG2D3EPX3AOHK2U3Z}

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	2026-07-05T11:04:11.228200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

514f72f0a69d4da1ec8fbec0e3ab54de57562ec46181dea114bd77faeb0bc674

Aliases

arxiv: 2505.11118 · arxiv_version: 2505.11118v1 · doi: 10.48550/arxiv.2505.11118 · pith_short_12: KFHXF4FGTVG2 · pith_short_16: KFHXF4FGTVG2D3EP · pith_short_8: KFHXF4FG

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/KFHXF4FGTVG2D3EPX3AOHK2U3Z \
  | 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: 514f72f0a69d4da1ec8fbec0e3ab54de57562ec46181dea114bd77faeb0bc674

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "997d8f245edc49890c592b58c935ce540c8bae8456e106e071d61515f9797677",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-05-16T11:01:24Z",
    "title_canon_sha256": "9563ea29a9e35114a2471dd7205507651ffe3c0c04d4c992cf40e100efa51c1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.11118",
    "kind": "arxiv",
    "version": 1
  }
}