Pith Number

pith:XFELJ3J2

pith:2013:XFELJ3J2V24YKD4K7Q36ZMVUDK

not attested not anchored not stored refs pending

Super-Resolving Quantum Radar: Coherent-State Sources with Homodyne Detection Suffice to Beat the Diffraction Limit

Christopher C. Gerry, Hwang Lee, Jonathan P. Dowling, Kebei Jiang

arxiv:1305.4162 v3 · 2013-05-17 · 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{XFELJ3J2V24YKD4K7Q36ZMVUDK}

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	2026-05-18T02:58:47.100052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b948b4ed3aaeb9850f8afc37ecb2b41a8083fa805e1fe27b45004d01c8d3805a

Aliases

arxiv: 1305.4162 · arxiv_version: 1305.4162v3 · doi: 10.48550/arxiv.1305.4162 · pith_short_12: XFELJ3J2V24Y · pith_short_16: XFELJ3J2V24YKD4K · pith_short_8: XFELJ3J2

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/XFELJ3J2V24YKD4K7Q36ZMVUDK \
  | 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: b948b4ed3aaeb9850f8afc37ecb2b41a8083fa805e1fe27b45004d01c8d3805a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1514b3b55212b48471f95a36b5ce7998d84b8e45a7edf347062a05b5e03c661b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-05-17T19:23:23Z",
    "title_canon_sha256": "9217db1a93f7284bd83d48b5a9865326a7a82fc30a4e3b8909ef555d0cdc1a9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4162",
    "kind": "arxiv",
    "version": 3
  }
}