Pith Number

pith:E52KBQQ2

pith:2015:E52KBQQ2ZJEDGX5YTM6OJAGWTR

not attested not anchored not stored refs pending

Aberration-Free Imaging Based on Parity-Time Symmetric Nonlocal Metasurfaces

Andrea Alu, Constantinos A. Valagiannopoulos, Francesco Monticone

arxiv:1509.07300 v1 · 2015-09-24 · 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{E52KBQQ2ZJEDGX5YTM6OJAGWTR}

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	2026-05-18T01:32:09.359375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2774a0c21aca48335fb89b3ce480d69c5d6f06cca835661dc0b47107b5595e93

Aliases

arxiv: 1509.07300 · arxiv_version: 1509.07300v1 · doi: 10.48550/arxiv.1509.07300 · pith_short_12: E52KBQQ2ZJED · pith_short_16: E52KBQQ2ZJEDGX5Y · pith_short_8: E52KBQQ2

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/E52KBQQ2ZJEDGX5YTM6OJAGWTR \
  | 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: 2774a0c21aca48335fb89b3ce480d69c5d6f06cca835661dc0b47107b5595e93

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a032ddd59197a3a638e37f89ef979cc249c7cb990d9b6f1948ffe331ca89aed",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-09-24T10:16:37Z",
    "title_canon_sha256": "8093162944f818ee1514ffab48c59779864c8394abc9047ca0d73902fb3975da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07300",
    "kind": "arxiv",
    "version": 1
  }
}