Pith Number

pith:4NKD4W76

pith:2013:4NKD4W76UYXNWT4HB4OIKHPXTC

not attested not anchored not stored refs pending

Interferometric description of optical metamaterials

A. Shevchenko, M. Kaivola, P. Grahn

arxiv:1303.6432 v2 · 2013-03-26 · 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{4NKD4W76UYXNWT4HB4OIKHPXTC}

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	2026-05-18T03:06:32.745674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3543e5bfea62edb4f870f1c851df798ae8c9f97018d50d81e9135b66e81ee0a

Aliases

arxiv: 1303.6432 · arxiv_version: 1303.6432v2 · doi: 10.48550/arxiv.1303.6432 · pith_short_12: 4NKD4W76UYXN · pith_short_16: 4NKD4W76UYXNWT4H · pith_short_8: 4NKD4W76

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/4NKD4W76UYXNWT4HB4OIKHPXTC \
  | 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: e3543e5bfea62edb4f870f1c851df798ae8c9f97018d50d81e9135b66e81ee0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f32b64e23bb13471eefb5668893bc14eeb7aefe59e4ec47ca6b8020f353a23f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-03-26T10:53:02Z",
    "title_canon_sha256": "8c9a065b6fe129164c5fcde3fc316676ef52ba3431ea893673a8d64976d88fb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6432",
    "kind": "arxiv",
    "version": 2
  }
}