Pith Number

pith:VPLKFYWU

pith:2019:VPLKFYWU6GEQW5E2Z34PBTPW7H

not attested not anchored not stored refs pending

Fresnel drag in space-time modulated metamaterials

E. Galiffi, J.B. Pendry, P.A. Huidobro, R.V. Craster, S. Guenneau

arxiv:1908.05883 v1 · 2019-08-16 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VPLKFYWU6GEQW5E2Z34PBTPW7H}

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	2026-07-05T00:50:04.060407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abd6a2e2d4f1890b749acef8f0cdf6f9db556350b85c7948da1fd35c934e7365

Aliases

arxiv: 1908.05883 · arxiv_version: 1908.05883v1 · doi: 10.48550/arxiv.1908.05883 · pith_short_12: VPLKFYWU6GEQ · pith_short_16: VPLKFYWU6GEQW5E2 · pith_short_8: VPLKFYWU

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/VPLKFYWU6GEQW5E2Z34PBTPW7H \
  | 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: abd6a2e2d4f1890b749acef8f0cdf6f9db556350b85c7948da1fd35c934e7365

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52d41a2721434050953b25abb7762aa55807fc0cc2099440bfd4a448ceb8d7f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-08-16T08:18:23Z",
    "title_canon_sha256": "b2511a738bebbb568dd439a4264ebec82eece51ce9d054b4502e1e8591e53114"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05883",
    "kind": "arxiv",
    "version": 1
  }
}