Pith Number

pith:2MI7GEMY

pith:2019:2MI7GEMYF6CFSYM4QKJPI5OBZV

not attested not anchored not stored refs pending

Reflection confocal nanoscopy using a super-oscillatory lens

Arvind Nagarajan, Fabrizio Silvestri, Giampiero Gerini, L. Pjotr Stoevelaar, Marijn Siemons, Stefan M. B. B\"aumer, Venu Gopal Achanta

arxiv:1903.09248 v1 · 2019-03-21 · 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{2MI7GEMYF6CFSYM4QKJPI5OBZV}

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	2026-05-17T23:41:21.727212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d311f311982f8459619c8292f475c1cd567d362c74b2447c59250f10eecaa82c

Aliases

arxiv: 1903.09248 · arxiv_version: 1903.09248v1 · doi: 10.48550/arxiv.1903.09248 · pith_short_12: 2MI7GEMYF6CF · pith_short_16: 2MI7GEMYF6CFSYM4 · pith_short_8: 2MI7GEMY

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/2MI7GEMYF6CFSYM4QKJPI5OBZV \
  | 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: d311f311982f8459619c8292f475c1cd567d362c74b2447c59250f10eecaa82c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c312bc75e6c6298b010eb891f95f9f955c9366b391201819bbb7937c5a47eaa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-03-21T21:49:15Z",
    "title_canon_sha256": "07d0440578ffb68209b57366a12d004d979391582face66a8bc8bdc0090d9541"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09248",
    "kind": "arxiv",
    "version": 1
  }
}