Pith Number

pith:SQSOMT2V

pith:2011:SQSOMT2VEI7VYWEYR2OS2DYUCS

not attested not anchored not stored refs pending

Limits for superfocusing with finite evanescent wave amplification

Reuven Gordon

arxiv:1112.5474 v1 · 2011-12-22 · physics.optics · cond-mat.mes-hall

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQSOMT2VEI7VYWEYR2OS2DYUCS}

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	2026-05-18T01:59:02.899577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9424e64f55223f5c58988e9d2d0f1414837f25be8c61ba4accf9d1bb781b6ad0

Aliases

arxiv: 1112.5474 · arxiv_version: 1112.5474v1 · doi: 10.48550/arxiv.1112.5474 · pith_short_12: SQSOMT2VEI7V · pith_short_16: SQSOMT2VEI7VYWEY · pith_short_8: SQSOMT2V

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/SQSOMT2VEI7VYWEYR2OS2DYUCS \
  | 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: 9424e64f55223f5c58988e9d2d0f1414837f25be8c61ba4accf9d1bb781b6ad0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06c9578cabd11e3ea944265f4c62abc505df4bc70f01b11c5977a19b795d0308",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-12-22T22:00:01Z",
    "title_canon_sha256": "382e80b4b2aacb7d646ee8a4f813501fcb8268eabe4e063b6b17ff97efa4e98c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5474",
    "kind": "arxiv",
    "version": 1
  }
}