Pith Number

pith:642ULN7T

pith:2010:642ULN7TGU7DDSXKORLV6K7KO4

not attested not anchored not stored refs pending

Plasmonic space folding: focussing surface plasmons via negative refraction in complementary media

(Indian Institute of Technology, Kanpur), Muamer Kadic, S. Anantha Ramakrishna, Sebastien Guenneau, Stefan Enoch (Aix-Marseille Universit\'e)

arxiv:1011.4470 v1 · 2010-11-19 · 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{642ULN7TGU7DDSXKORLV6K7KO4}

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	2026-05-18T04:35:14.104407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f73545b7f3353e31caea74575f2bea77133bbab4ac4108ff0b89950d18e6c572

Aliases

arxiv: 1011.4470 · arxiv_version: 1011.4470v1 · doi: 10.48550/arxiv.1011.4470 · pith_short_12: 642ULN7TGU7D · pith_short_16: 642ULN7TGU7DDSXK · pith_short_8: 642ULN7T

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/642ULN7TGU7DDSXKORLV6K7KO4 \
  | 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: f73545b7f3353e31caea74575f2bea77133bbab4ac4108ff0b89950d18e6c572

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34591ca0389de286db7f3514563540a0a8c76522ce32322bd92a116c7c12816e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-11-19T16:43:56Z",
    "title_canon_sha256": "0e5a24248782d6e10fcfd08ff76483302a64c1c2857805c6427f9d031e5afbf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4470",
    "kind": "arxiv",
    "version": 1
  }
}