Pith Number

pith:FTM2SFPR

pith:2010:FTM2SFPRTZWYGHP6Q6ZTGR75GH

not attested not anchored not stored refs pending

Feasibility of 300 km Quantum Key Distribution with Entangled States

Alessandro Fedrizzi, Anton Zeilinger, Johannes Kofler, Lothar Ratschbacher, Robert Prevedel, Rupert Ursin, Sven Ramelow, Thomas Herbst, Thomas Jennewein, Thomas Scheidl, Xiao-song Ma

arxiv:1007.4645 v1 · 2010-07-27 · 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{FTM2SFPRTZWYGHP6Q6ZTGR75GH}

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	2026-07-04T17:32:17.358407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cd9a915f19e6d831dfe87b33347fd31dfb6cb9b55a55a263a03c040baffb07d

Aliases

arxiv: 1007.4645 · arxiv_version: 1007.4645v1 · doi: 10.48550/arxiv.1007.4645 · pith_short_12: FTM2SFPRTZWY · pith_short_16: FTM2SFPRTZWYGHP6 · pith_short_8: FTM2SFPR

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/FTM2SFPRTZWYGHP6Q6ZTGR75GH \
  | 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: 2cd9a915f19e6d831dfe87b33347fd31dfb6cb9b55a55a263a03c040baffb07d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8319d9f27e0852eb1dfd2463b0e0b7e9d18715f29ba4ec06722aa64ce5a88784",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-07-27T09:18:44Z",
    "title_canon_sha256": "52eb6e556c8bd70430d73f451af39bcee0278dd0c2144f2aa06c652ec6172e98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.4645",
    "kind": "arxiv",
    "version": 1
  }
}