Pith Number

pith:K3NVENVF

pith:2013:K3NVENVFQARVVCGF7UIIORJGMV

not attested not anchored not stored refs pending

On the Optimality of Basis Transformations to Secure Entanglement Swapping Based QKD Protocols

Martin Suda, Stefan Schauer

arxiv:1307.5646 v1 · 2013-07-22 · 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{K3NVENVFQARVVCGF7UIIORJGMV}

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	2026-05-18T03:17:55.151184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56db5236a580235a88c5fd10874526656d260f20369a3573ae1f5e33ddd30b20

Aliases

arxiv: 1307.5646 · arxiv_version: 1307.5646v1 · doi: 10.48550/arxiv.1307.5646 · pith_short_12: K3NVENVFQARV · pith_short_16: K3NVENVFQARVVCGF · pith_short_8: K3NVENVF

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/K3NVENVFQARVVCGF7UIIORJGMV \
  | 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: 56db5236a580235a88c5fd10874526656d260f20369a3573ae1f5e33ddd30b20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "946cca93b0756d33d239f49d3040d4bd68eec5249dbcbe353c1eeae6e677d7ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-07-22T10:15:00Z",
    "title_canon_sha256": "c57fc83495c841bfc0aa679a9fd6d328c64dd736cf2780eaa199ca0c3b4ba6ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5646",
    "kind": "arxiv",
    "version": 1
  }
}