Pith Number

pith:4GTBBC3F

pith:2018:4GTBBC3FQ5HGVNU75XJ67ZTNTJ

not attested not anchored not stored refs pending

Beam-controlled spectral-selective architecture with planar polydimethylsiloxane/metal-films for all-day radiative cooling

Boon Ooi, Chen Xu, Edgars Stegenburgs, Haomin Song, Jianwei Liang, Lyu Zhou, Matthew Singer, Ming Zhou, Nan Zhang, Qiaoqiang Gan, Tien Khee Ng, Zongfu Yu

arxiv:1810.09240 v1 · 2018-09-28 · physics.app-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4GTBBC3FQ5HGVNU75XJ67ZTNTJ}

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	2026-05-18T00:02:40.736110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1a6108b65874e6ab69fedd3efe66d9a55ba43e6a968be07e54174c14fbe2a74

Aliases

arxiv: 1810.09240 · arxiv_version: 1810.09240v1 · doi: 10.48550/arxiv.1810.09240 · pith_short_12: 4GTBBC3FQ5HG · pith_short_16: 4GTBBC3FQ5HGVNU7 · pith_short_8: 4GTBBC3F

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/4GTBBC3FQ5HGVNU75XJ67ZTNTJ \
  | 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: e1a6108b65874e6ab69fedd3efe66d9a55ba43e6a968be07e54174c14fbe2a74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed357306c12dd243b142623674edbf221dd84470304b2e4d12cb085a12a40043",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-09-28T13:52:31Z",
    "title_canon_sha256": "b4c3f69f99b26b3006bce8996254468b65190106196889792d41a32a995da5b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09240",
    "kind": "arxiv",
    "version": 1
  }
}