Pith Number

pith:FXY2WN37

pith:2008:FXY2WN37UAZQ5M47EPCFSBWU54

not attested not anchored not stored refs pending

Energy considerations for a superlens based on metal/dielectric multilayers

Domenico de Ceglia, Giuseppe D'Aguanno, Mark Bloemer, Michael Scalora, Nadia Mattiucci

arxiv:0810.3228 v1 · 2008-10-17 · 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{FXY2WN37UAZQ5M47EPCFSBWU54}

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	2026-05-18T02:15:24.101382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2df1ab377fa0330eb39f23c45906d4ef0395b815d5f54e41148c51da63a242d8

Aliases

arxiv: 0810.3228 · arxiv_version: 0810.3228v1 · doi: 10.48550/arxiv.0810.3228 · pith_short_12: FXY2WN37UAZQ · pith_short_16: FXY2WN37UAZQ5M47 · pith_short_8: FXY2WN37

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/FXY2WN37UAZQ5M47EPCFSBWU54 \
  | 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: 2df1ab377fa0330eb39f23c45906d4ef0395b815d5f54e41148c51da63a242d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c725703d629794187017cef0bc3c21f044d589e016c74ba21141ceac104cdeb3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2008-10-17T19:41:13Z",
    "title_canon_sha256": "2771631a84a85093746e2068934b61e56a042ea4c9f43a95f273814fc362107b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.3228",
    "kind": "arxiv",
    "version": 1
  }
}