Pith Number

pith:XYDNWNFJ

pith:2018:XYDNWNFJI43IQQIVTVSNOYQ6U5

not attested not anchored not stored refs pending

Perfect Anomalous Refraction with Metagratings

Ariel Epstein, Oshri Rabinovich

arxiv:1804.02362 v1 · 2018-04-03 · physics.app-ph · 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{XYDNWNFJI43IQQIVTVSNOYQ6U5}

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	2026-05-18T00:19:05.092034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be06db34a947368841159d64d7621ea77db1438b1995a72fc89c7a4407bf18d0

Aliases

arxiv: 1804.02362 · arxiv_version: 1804.02362v1 · doi: 10.48550/arxiv.1804.02362 · pith_short_12: XYDNWNFJI43I · pith_short_16: XYDNWNFJI43IQQIV · pith_short_8: XYDNWNFJ

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/XYDNWNFJI43IQQIVTVSNOYQ6U5 \
  | 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: be06db34a947368841159d64d7621ea77db1438b1995a72fc89c7a4407bf18d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f9f392c5ce457c41ac8aafc1780bb82f941ebbf31f6d6f1df1c0379f17a50db",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-04-03T19:42:52Z",
    "title_canon_sha256": "4936b7306d13485f2f15fe554cfe5c8d50ce1796195fd925722a29d642db07c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02362",
    "kind": "arxiv",
    "version": 1
  }
}