Pith Number

pith:7FZYR3AG

pith:2016:7FZYR3AGUYKUEZKGLE6IPBIYDU

not attested not anchored not stored refs pending

The local density of optical states of a metasurface

Femius A. Koenderink, Per Lunnemann

arxiv:1602.08862 v1 · 2016-02-29 · 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{7FZYR3AGUYKUEZKGLE6IPBIYDU}

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	2026-05-18T01:19:51.809714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f97388ec06a615426546593c8785181d249366161d8c1082f631fb7115039b92

Aliases

arxiv: 1602.08862 · arxiv_version: 1602.08862v1 · doi: 10.48550/arxiv.1602.08862 · pith_short_12: 7FZYR3AGUYKU · pith_short_16: 7FZYR3AGUYKUEZKG · pith_short_8: 7FZYR3AG

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/7FZYR3AGUYKUEZKGLE6IPBIYDU \
  | 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: f97388ec06a615426546593c8785181d249366161d8c1082f631fb7115039b92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdbca5fc19a7ededc8bcd62a056b975c34854b533208bbca2b5ac1a7a4181313",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-02-29T08:49:13Z",
    "title_canon_sha256": "c05e40057fbfaab855710a3dbbead904703004257cb52ac1b2ec2c9e1ceecd97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08862",
    "kind": "arxiv",
    "version": 1
  }
}