Pith Number

pith:WC5F246S

pith:2019:WC5F246SR4EMEV7MLFRC4MYKV6

not attested not anchored not stored refs pending

Imaging through nonlinear metalens using second harmonic generation

Bernhard Reineke, Christian Schlickriede, Guixin Li, Naomi Waterman, Philip Georgi, Shuang Zhang, Thomas Zentgraf

arxiv:1903.09664 v2 · 2019-03-22 · 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{WC5F246SR4EMEV7MLFRC4MYKV6}

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	2026-07-05T00:54:45.023456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0ba5d73d28f08c257ec59622e330aafbb89e3c51f31bcf2c029a263c2bb9aef

Aliases

arxiv: 1903.09664 · arxiv_version: 1903.09664v2 · doi: 10.48550/arxiv.1903.09664 · pith_short_12: WC5F246SR4EM · pith_short_16: WC5F246SR4EMEV7M · pith_short_8: WC5F246S

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/WC5F246SR4EMEV7MLFRC4MYKV6 \
  | 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: b0ba5d73d28f08c257ec59622e330aafbb89e3c51f31bcf2c029a263c2bb9aef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eec60d729c30f4bc596ee960daa18c510286222798c8f3db2d2b4219f4264125",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-03-22T18:14:00Z",
    "title_canon_sha256": "96a2bb3bd1402517e742efffa5aeb0f12c142ea16e946730c404e56c23a3fdd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09664",
    "kind": "arxiv",
    "version": 2
  }
}