Pith Number

pith:O44B6OIY

pith:2019:O44B6OIYMNBCVZJPPVU2XFMYGP

not attested not anchored not stored refs pending

Software-Defined Metasurface Paradigm: Concept, Challenges, Prospects

Alexandros Pitilakis, Andreas Pitsilides, Anna C. Tasolamprou, Christos Liaskos, Costas M. Soukoulis, Eleftherios N. Economou, Fu Liu, Julius Georgiou, Kypros Kossifos, Maria Kafesaki, Mohammad Sajjad Mirmoosa, Nikolaos V. Kantartzis, Odysseas Tsilipakos, Sergei A. Tretyakov, Sotiris Ioannidis, Xuchen Wang

arxiv:1902.01085 v1 · 2019-02-04 · 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{O44B6OIYMNBCVZJPPVU2XFMYGP}

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	2026-05-17T23:54:49.715399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77381f391863422ae52f7d69ab959833d6814891a1ba3a94d23bff01df759b32

Aliases

arxiv: 1902.01085 · arxiv_version: 1902.01085v1 · doi: 10.48550/arxiv.1902.01085 · pith_short_12: O44B6OIYMNBC · pith_short_16: O44B6OIYMNBCVZJP · pith_short_8: O44B6OIY

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/O44B6OIYMNBCVZJPPVU2XFMYGP \
  | 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: 77381f391863422ae52f7d69ab959833d6814891a1ba3a94d23bff01df759b32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d401ea3b028a87a8b5238ffe9a754d8ce6d6a9f9949ef7d38bad18c001e045fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-02-04T08:52:59Z",
    "title_canon_sha256": "fdfc6db42eddb3cc43b76ce40e6971e5100fa6fc0aea150ee41ae85655292537"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01085",
    "kind": "arxiv",
    "version": 1
  }
}