Pith Number

pith:NFK6SBYI

pith:2019:NFK6SBYI6FILATZJJ4TX7OQD4I

not attested not anchored not stored refs pending

Nonreciprocal Phase Gradient Metasurface: Principle and Transistor Implementation

Christophe Caloz, Guillaume Lavigne

arxiv:1903.11957 v1 · 2019-03-26 · physics.class-ph · 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{NFK6SBYI6FILATZJJ4TX7OQD4I}

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	2026-05-17T23:49:58.557332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6955e90708f150b04f294f277fba03e2275d011ee6671b0b3fcf8413b3045fda

Aliases

arxiv: 1903.11957 · arxiv_version: 1903.11957v1 · doi: 10.48550/arxiv.1903.11957 · pith_short_12: NFK6SBYI6FIL · pith_short_16: NFK6SBYI6FILATZJ · pith_short_8: NFK6SBYI

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/NFK6SBYI6FILATZJJ4TX7OQD4I \
  | 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: 6955e90708f150b04f294f277fba03e2275d011ee6671b0b3fcf8413b3045fda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f99d7a2b78d62d2ba93f185a120f057625784f412a2254157557ce9156d8fb9b",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2019-03-26T16:05:34Z",
    "title_canon_sha256": "9ee7d8fb2848de3c8452cb52182f6d0d4bb337d999646a1427cfeb02ad538a3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11957",
    "kind": "arxiv",
    "version": 1
  }
}