Pith Number

pith:6J2CDFGA

pith:2021:6J2CDFGATAAMFFFR2M7MKVRVPA

not attested not anchored not stored refs pending

Glide-Symmetric Metallic Structures with Elliptical Holes for Lens Compression

Antonio Alex-Amor, Fatemeh Ghasemifard, Guido Valerio, Jos\'e M. Fern\'andez-Gonz\'alez, Mahsa Ebrahimpouri, Oscar Quevedo-Teruel, Pablo Padilla

arxiv:2101.09084 v1 · 2021-01-22 · 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{6J2CDFGATAAMFFFR2M7MKVRVPA}

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	2026-07-05T02:08:53.883449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2742194c09800c294b1d33ec55635782ec84028099786ae532bbf4f52fbecda

Aliases

arxiv: 2101.09084 · arxiv_version: 2101.09084v1 · doi: 10.48550/arxiv.2101.09084 · pith_short_12: 6J2CDFGATAAM · pith_short_16: 6J2CDFGATAAMFFFR · pith_short_8: 6J2CDFGA

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/6J2CDFGATAAMFFFR2M7MKVRVPA \
  | 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: f2742194c09800c294b1d33ec55635782ec84028099786ae532bbf4f52fbecda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3eefa2be494c1e86b2865619d1f54c308bb14805324ef4309484098c4462b2e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2021-01-22T12:36:53Z",
    "title_canon_sha256": "409669acfcb6682eb13fdd934d6aafe64f27116d218e8ee4ab75747e535ff990"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.09084",
    "kind": "arxiv",
    "version": 1
  }
}