Pith Number

pith:YXA6N7RT

pith:2019:YXA6N7RTIRS3CWA5K6HN4EPEYF

not attested not anchored not stored refs pending

Fault Tolerance in Programmable Metasurfaces: The Beam Steering Case

Albert Cabellos-Aparicio, Eduard Alarc\'on, Hamidreza Taghvaee, Julius Georgiou, Sergi Abadal

arxiv:1902.04509 v2 · 2019-02-12 · 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{YXA6N7RTIRS3CWA5K6HN4EPEYF}

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	2026-05-17T23:53:08.713143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5c1e6fe334465b1581d578ede11e4c17bfbaaf41373bc8c752209c3bf9e2fb4

Aliases

arxiv: 1902.04509 · arxiv_version: 1902.04509v2 · doi: 10.48550/arxiv.1902.04509 · pith_short_12: YXA6N7RTIRS3 · pith_short_16: YXA6N7RTIRS3CWA5 · pith_short_8: YXA6N7RT

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/YXA6N7RTIRS3CWA5K6HN4EPEYF \
  | 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: c5c1e6fe334465b1581d578ede11e4c17bfbaaf41373bc8c752209c3bf9e2fb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "680a6ab2cbca2e9a7ef2e42d3a62183d073907575506c6159ef046c9df0caeef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-02-12T17:25:26Z",
    "title_canon_sha256": "2d30e171d257cf2ebde8c9fb07643d414122a0f6fddae0900c2107db5661d44e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04509",
    "kind": "arxiv",
    "version": 2
  }
}