Pith Number

pith:52RO5HXP

pith:2021:52RO5HXPOM5L6BI63BLFMN3NAI

not attested not anchored not stored refs pending

Photonic angular super-resolution using twisted N00N states

Fr\'ed\'eric Bouchard, Markus Hiekkam\"aki, Robert Fickler

arxiv:2106.09273 v1 · 2021-06-17 · quant-ph · 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{52RO5HXPOM5L6BI63BLFMN3NAI}

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	2026-07-05T03:45:34.485031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eea2ee9eef733abf051ed85656376d020f486d30605943dbddc8bb14014af102

Aliases

arxiv: 2106.09273 · arxiv_version: 2106.09273v1 · doi: 10.48550/arxiv.2106.09273 · pith_short_12: 52RO5HXPOM5L · pith_short_16: 52RO5HXPOM5L6BI6 · pith_short_8: 52RO5HXP

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/52RO5HXPOM5L6BI63BLFMN3NAI \
  | 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: eea2ee9eef733abf051ed85656376d020f486d30605943dbddc8bb14014af102

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b78a77679a9e4c7a26bf3a799e71359e87c0c6a1e1dc4c2a7050bc7a4e5b3365",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-06-17T06:50:33Z",
    "title_canon_sha256": "3dfcda1cd0432d3cfedb0c11ac356c65c570b673b812c3cae38b1de3b6b61a85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.09273",
    "kind": "arxiv",
    "version": 1
  }
}