Pith Number

pith:JP3J3UAZ

pith:2021:JP3J3UAZLJGFXYNENTB2OSK5RI

not attested not anchored not stored refs pending

General Inverse Design of Thin-Film Metamaterials With Convolutional Neural Networks

Andrew Lininger, Giuseppe Strangi, Michael Hinczewski

arxiv:2104.01952 v2 · 2021-03-29 · physics.comp-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{JP3J3UAZLJGFXYNENTB2OSK5RI}

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	2026-05-25T02:02:04.548075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bf69dd0195a4c5be1a46cc3a7495d8a0441f239d480b336c852978fc261f3f9

Aliases

arxiv: 2104.01952 · arxiv_version: 2104.01952v2 · doi: 10.48550/arxiv.2104.01952 · pith_short_12: JP3J3UAZLJGF · pith_short_16: JP3J3UAZLJGFXYNE · pith_short_8: JP3J3UAZ

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/JP3J3UAZLJGFXYNENTB2OSK5RI \
  | 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: 4bf69dd0195a4c5be1a46cc3a7495d8a0441f239d480b336c852978fc261f3f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40c510acb193163bad082957e88763464ccb9b159c132c847a3ca119f7b74be6",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2021-03-29T00:56:26Z",
    "title_canon_sha256": "a87bfa3c9c189d32aaaea747a54763b3912fbb3a77e28dd354424b8f2c1806cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.01952",
    "kind": "arxiv",
    "version": 2
  }
}