Pith Number

pith:R5M2E7OQ

pith:2008:R5M2E7OQOKKOE7D2H4CMJT26SB

not attested not anchored not stored refs pending

Semiconductor-based superlens for sub-wavelength resolution below the dif-fraction limit at extreme ultraviolet frequencies

A. D Orazio, M. A. Vincenti, M. G. Cappeddu, M. J. Bloemer, M. Scalora, Neset Akozbek

arxiv:0811.2968 v1 · 2008-11-18 · 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{R5M2E7OQOKKOE7D2H4CMJT26SB}

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	2026-05-18T02:15:20.626192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f59a27dd07294e27c7a3f04c4cf5e9057d763dc5af48daa3b40a4c849246d17

Aliases

arxiv: 0811.2968 · arxiv_version: 0811.2968v1 · doi: 10.48550/arxiv.0811.2968 · pith_short_12: R5M2E7OQOKKO · pith_short_16: R5M2E7OQOKKOE7D2 · pith_short_8: R5M2E7OQ

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/R5M2E7OQOKKOE7D2H4CMJT26SB \
  | 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: 8f59a27dd07294e27c7a3f04c4cf5e9057d763dc5af48daa3b40a4c849246d17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa1f7d430e2323424e393e7b0104448e599cc386a8da88e0023dab486f0f54b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2008-11-18T18:53:03Z",
    "title_canon_sha256": "1a2153ea3b67feca4b40ae2acf1f016a6b6d8f4b328973f143c223fa6d199985"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.2968",
    "kind": "arxiv",
    "version": 1
  }
}