pith. sign in
Pith Number

pith:UG76ZEZ6

pith:2013:UG76ZEZ6EGFYN33ILKW5UCKKND
not attested not anchored not stored refs pending

Practical long-distance quantum communication using concatenated entanglement swapping

Aeysha Khalique, Barry C. Sanders, Wolfgang Tittel

arxiv:1305.3946 v1 · 2013-05-16 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UG76ZEZ6EGFYN33ILKW5UCKKND}

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 2026-05-18T02:59:30.584904Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a1bfec933e218b86ef685aadda094a68d78182c718fbf3eec0a8c690e5f2ac50

Aliases

arxiv: 1305.3946 · arxiv_version: 1305.3946v1 · doi: 10.48550/arxiv.1305.3946 · pith_short_12: UG76ZEZ6EGFY · pith_short_16: UG76ZEZ6EGFYN33I · pith_short_8: UG76ZEZ6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UG76ZEZ6EGFYN33ILKW5UCKKND \
  | 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: a1bfec933e218b86ef685aadda094a68d78182c718fbf3eec0a8c690e5f2ac50
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d106d16d53b1685ea0d58068cf78eb9cfe1f91ef56024a12ef0db4575bfca6ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-05-16T22:06:04Z",
    "title_canon_sha256": "c1355630021822733ea68b03fc56ddf7bc60ba935ad312d90574ca26d2c37959"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3946",
    "kind": "arxiv",
    "version": 1
  }
}