Pith Number

pith:ND3DNQLX

pith:2019:ND3DNQLX4Q5NUQIBMQLPM6UCCH

not attested not anchored not stored refs pending

Electromagnetic Aspects of Practical Approaches to Realization of Intelligent Metasurfaces

Alexandros Pitilakis, Anna C. Tasolamprou, Costas M. Soukoulis, Do-Hoon Kwon, Fu Liu, Julius Georgiou, Kypros Kossifos, Maria Kafesaki, Mohammad Sajjad Mirmoosa, Odysseas Tsilipakos, Sergei A. Tretyakov, Xuchen Wang

arxiv:1904.01487 v1 · 2019-04-02 · 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{ND3DNQLX4Q5NUQIBMQLPM6UCCH}

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	2026-05-17T23:49:34.525600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68f636c177e43ada41016416f67a8211e47ebd259ead6c4a864014e331a42793

Aliases

arxiv: 1904.01487 · arxiv_version: 1904.01487v1 · doi: 10.48550/arxiv.1904.01487 · pith_short_12: ND3DNQLX4Q5N · pith_short_16: ND3DNQLX4Q5NUQIB · pith_short_8: ND3DNQLX

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/ND3DNQLX4Q5NUQIBMQLPM6UCCH \
  | 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: 68f636c177e43ada41016416f67a8211e47ebd259ead6c4a864014e331a42793

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "542b45c75c8f8fb9abc964df31692ff8cbf7d3412eee68c24eca8f6caeed853f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-04-02T15:24:30Z",
    "title_canon_sha256": "0b383904220875b2becd6252c8156f9b11b6c79b7fa4fd362056bb7136ebe305"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01487",
    "kind": "arxiv",
    "version": 1
  }
}