Pith Number

pith:I6HXIN2G

pith:2009:I6HXIN2G4FC6O7BE6QNGUYYQQ7

not attested not anchored not stored refs pending

High-fidelity transmission of entanglement over a high-loss freespace channel

Alessandro Fedrizzi, Anton Zeilinger, Felix Tiefenbacher, Matteo Nespoli, Robert Prevedel, Rupert Ursin, Thomas Herbst, Thomas Jennewein, Thomas Scheidl

arxiv:0902.2015 v2 · 2009-02-12 · 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{I6HXIN2G4FC6O7BE6QNGUYYQQ7}

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.

Cited by

1 paper in Pith

Quantum advantage prediction in turbulent free-space quantum illumination

Receipt and verification

First computed	2026-07-04T15:44:58.057430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

478f743746e145e77c24f41a6a631087f5838ee599c9180d6864831d8ae6e07c

Aliases

arxiv: 0902.2015 · arxiv_version: 0902.2015v2 · doi: 10.48550/arxiv.0902.2015 · pith_short_12: I6HXIN2G4FC6 · pith_short_16: I6HXIN2G4FC6O7BE · pith_short_8: I6HXIN2G

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/I6HXIN2G4FC6O7BE6QNGUYYQQ7 \
  | 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: 478f743746e145e77c24f41a6a631087f5838ee599c9180d6864831d8ae6e07c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36478266fdbda5af9135374de676cb55d3c3c83e0b2b5a5820df60f9dd396cb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-02-12T01:24:20Z",
    "title_canon_sha256": "285690120e8a66749547d1f553e0adb9cc170297d4beb9cca7d67d2cc58c7ef0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2015",
    "kind": "arxiv",
    "version": 2
  }
}