Pith Number

pith:CLQQWXBA

pith:2019:CLQQWXBAELPZVSTKCJSF4CLJAR

not attested not anchored not stored refs pending

Ultra-open High-efficiency Ventilated Metamaterial Absorbers with Customized Broadband Performance

Hong He, Peng Wu, Qianjin Mu, Shuxia Wang, Weijia Wen, Xiao Xiang, Xiaoxiao Wu, Xin Li, Yingzhou Huang

arxiv:1911.05969 v3 · 2019-11-14 · physics.app-ph · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CLQQWXBAELPZVSTKCJSF4CLJAR}

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	2026-07-05T01:06:31.941568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12e10b5c2022df9aca6a12645e096904708eb0f601a7ef248c9aea9011de1d22

Aliases

arxiv: 1911.05969 · arxiv_version: 1911.05969v3 · doi: 10.48550/arxiv.1911.05969 · pith_short_12: CLQQWXBAELPZ · pith_short_16: CLQQWXBAELPZVSTK · pith_short_8: CLQQWXBA

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/CLQQWXBAELPZVSTKCJSF4CLJAR \
  | 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: 12e10b5c2022df9aca6a12645e096904708eb0f601a7ef248c9aea9011de1d22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d0f695910a16ba33cfe6358ca45311205f8adf1cf05d1cd2fe4cdda959bb293",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-11-14T07:19:11Z",
    "title_canon_sha256": "243cad41b927ada5eec10240de3c136d26e2f13c993dacbb278a32f7ef98aa8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.05969",
    "kind": "arxiv",
    "version": 3
  }
}