Pith Number

pith:NWOUBWTY

pith:2016:NWOUBWTYKMRTFLRJHLIF3TYZ6V

not attested not anchored not stored refs pending

Two-layer anti-reflection coating with mullite and polyimide foam for large-diameter cryogenic infrared filters

Aritoki Suzuki, Masashi Hazumi, Masaya Hasegawa, Takaho Hamada, Takayuki Tomaru, Tohru Hirai, Tomotake Matsumura, Tomoyuki Minamoto, Toshifumi Sakata, Yasuto Hori, Yuki Inoue

arxiv:1607.02938 v2 · 2016-07-11 · 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{NWOUBWTYKMRTFLRJHLIF3TYZ6V}

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	2026-05-18T01:00:19.189483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d9d40da78532332ae293ad05dcf19f54768abf779fb288d93cad84b5eaf7562

Aliases

arxiv: 1607.02938 · arxiv_version: 1607.02938v2 · doi: 10.48550/arxiv.1607.02938 · pith_short_12: NWOUBWTYKMRT · pith_short_16: NWOUBWTYKMRTFLRJ · pith_short_8: NWOUBWTY

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/NWOUBWTYKMRTFLRJHLIF3TYZ6V \
  | 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: 6d9d40da78532332ae293ad05dcf19f54768abf779fb288d93cad84b5eaf7562

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "178efb68e47b44e69b1a51b91dfd4b91b1f7f5fc2cf06d072544c5d4f14b1f5d",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-07-11T13:33:30Z",
    "title_canon_sha256": "544fb09e917292ac2f494b54d15836cdcb2749339d85e75aced604f16546323e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.02938",
    "kind": "arxiv",
    "version": 2
  }
}