Pith Number

pith:RZZ2NGHP

pith:2020:RZZ2NGHP3NQSTKY26I6CL5GTFP

not attested not anchored not stored refs pending

Graded nanocomposite metamaterials for a double-sided radiative cooling architecture with a record breaking cooling power density

Boon S. Ooi, Haomin Song, Huafan Zhang, Jacob Rada, Lyu Zhou, Matthew Singer, Nan Zhang, Qiaoqiang Gan, Zongfu Yu

arxiv:2003.10495 v1 · 2020-03-23 · 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{RZZ2NGHP3NQSTKY26I6CL5GTFP}

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	2026-07-05T00:49:53.511007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e73a698efdb6129ab1af23c25f4d32bffe534562c42fadcfdaa0ff338050c22

Aliases

arxiv: 2003.10495 · arxiv_version: 2003.10495v1 · doi: 10.48550/arxiv.2003.10495 · pith_short_12: RZZ2NGHP3NQS · pith_short_16: RZZ2NGHP3NQSTKY2 · pith_short_8: RZZ2NGHP

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/RZZ2NGHP3NQSTKY26I6CL5GTFP \
  | 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: 8e73a698efdb6129ab1af23c25f4d32bffe534562c42fadcfdaa0ff338050c22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56386a08c22757fa345f1314c8b4770082b819cd3fc710a4a00c033e58a48b3d",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2020-03-23T19:01:35Z",
    "title_canon_sha256": "5e697cdd122aeb67b624a9a967ca51d109a5742f71272a65b9f2a668d9b8e8c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.10495",
    "kind": "arxiv",
    "version": 1
  }
}