Pith Number

pith:2FPCDG6F

pith:2018:2FPCDG6FHQIFVNNE4XKX4VU5RR

not attested not anchored not stored refs pending

On the design of random metasurface devices

Boubacar Kant\'e, LiYi Hsu, Matthieu Dupr\'e

arxiv:1802.01202 v1 · 2018-02-04 · 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{2FPCDG6FHQIFVNNE4XKX4VU5RR}

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	2026-05-18T00:24:27.072561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d15e219bc53c105ab5a4e5d57e569d8c43c3696a9760deb5b858b4139c1bb02b

Aliases

arxiv: 1802.01202 · arxiv_version: 1802.01202v1 · doi: 10.48550/arxiv.1802.01202 · pith_short_12: 2FPCDG6FHQIF · pith_short_16: 2FPCDG6FHQIFVNNE · pith_short_8: 2FPCDG6F

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/2FPCDG6FHQIFVNNE4XKX4VU5RR \
  | 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: d15e219bc53c105ab5a4e5d57e569d8c43c3696a9760deb5b858b4139c1bb02b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e6a43b28a298a284bf68ab3e03726a8bd49a7fa861b9ec4d194faa31e323e38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-02-04T21:59:29Z",
    "title_canon_sha256": "2f763629e73288dd005a7dde97cf776cfbd378dca833caba7b320abad22e9a2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01202",
    "kind": "arxiv",
    "version": 1
  }
}