Pith Number

pith:HC63EXOQ

pith:2022:HC63EXOQFFZWBC3X6V2YOQ3ZFU

not attested not anchored not stored refs pending

Constrained tandem neural network assisted inverse design of metasurfaces for microwave absorption

C. T. Chan, Xiangxu He, Xiaohan Cui

arxiv:2203.00450 v2 · 2022-02-23 · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HC63EXOQFFZWBC3X6V2YOQ3ZFU}

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	2026-07-05T07:15:43.496587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38bdb25dd02973608b77f5758743792d3ca430dd89ed73deb3d5974d0198bdf5

Aliases

arxiv: 2203.00450 · arxiv_version: 2203.00450v2 · doi: 10.48550/arxiv.2203.00450 · pith_short_12: HC63EXOQFFZW · pith_short_16: HC63EXOQFFZWBC3X · pith_short_8: HC63EXOQ

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/HC63EXOQFFZWBC3X6V2YOQ3ZFU \
  | 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: 38bdb25dd02973608b77f5758743792d3ca430dd89ed73deb3d5974d0198bdf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfb33b20a6c433108f5e16d1aeb9d51fa952ea117bc83d2a0073447b19ce303b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2022-02-23T00:00:12Z",
    "title_canon_sha256": "8d8ea130ac395115d5393cec49275141fa7c0f1f94b7ca51959a6aa531b3f8fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.00450",
    "kind": "arxiv",
    "version": 2
  }
}