Pith Number

pith:WEJ6WQQQ

pith:2018:WEJ6WQQQDFMHKRHTH7MIDYHEIH

not attested not anchored not stored refs pending

Attaining the quantum limit of super resolution in imaging an object's length via pre-detection spatial mode sorting

Amit Ashok, Ronan Kerviche, Saikat Guha, Zachary Dutton

arxiv:1801.06602 v1 · 2018-01-19 · physics.optics · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WEJ6WQQQDFMHKRHTH7MIDYHEIH}

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	2026-05-17T23:49:44.128121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b113eb421019587544f33fd881e0e441f354b11e51eea30d2da3beb881f59d7d

Aliases

arxiv: 1801.06602 · arxiv_version: 1801.06602v1 · doi: 10.48550/arxiv.1801.06602 · pith_short_12: WEJ6WQQQDFMH · pith_short_16: WEJ6WQQQDFMHKRHT · pith_short_8: WEJ6WQQQ

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/WEJ6WQQQDFMHKRHTH7MIDYHEIH \
  | 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: b113eb421019587544f33fd881e0e441f354b11e51eea30d2da3beb881f59d7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "848d51161d540abc5e13cfe3ac4340e1c5f3f10a1136362dd1a381d81f9d6824",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-01-19T23:44:49Z",
    "title_canon_sha256": "884988abc2155b8adad4f1b8ee5dfb7b943acee118dd2c7337f29145efd23c7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06602",
    "kind": "arxiv",
    "version": 1
  }
}