Pith Number

pith:Q76AR3OO

pith:2019:Q76AR3OOSJCV3H66RYAPDYS4JJ

not attested not anchored not stored refs pending

Quantum enhancement of sensitivity achieved by photon-number-resolving detection in the dark port of a two-path interferometer operating at high intensities

Holger F. Hofmann, Jun-Yi Wu, Norifumi Toda

arxiv:1903.11282 v3 · 2019-03-27 · 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{Q76AR3OOSJCV3H66RYAPDYS4JJ}

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	2026-05-17T23:40:32.931040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87fc08edce92455d9fde8e00f1e25c4a5023c9e21c16d5af71cbd648319da8bc

Aliases

arxiv: 1903.11282 · arxiv_version: 1903.11282v3 · doi: 10.48550/arxiv.1903.11282 · pith_short_12: Q76AR3OOSJCV · pith_short_16: Q76AR3OOSJCV3H66 · pith_short_8: Q76AR3OO

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/Q76AR3OOSJCV3H66RYAPDYS4JJ \
  | 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: 87fc08edce92455d9fde8e00f1e25c4a5023c9e21c16d5af71cbd648319da8bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cfb6a4615a1e2459d03558fbccb3749be8d3bde0796ada3c123887ba55738e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-03-27T08:11:10Z",
    "title_canon_sha256": "56eec38d938a06aeeac79e46012fcb43bd5ad2d8ad2980dbfbff144a17b76fd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11282",
    "kind": "arxiv",
    "version": 3
  }
}