Pith Number

pith:VKET7DNM

pith:2017:VKET7DNMLQ5TFWP2N3UAJKZJKH

not attested not anchored not stored refs pending

The Status of Quantum-Based Long-Term Secure Communication over the Internet

Alexander Sauer, Denis Butin, Denise Demirel, Felix G\"unther, Gernot Alber, Johannes Buchmann, Matthias Geihs, Oleg Nikiforov, Thomas Walther

arxiv:1711.09793 v1 · 2017-11-27 · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VKET7DNMLQ5TFWP2N3UAJKZJKH}

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	2026-05-18T00:29:34.442747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa893f8dac5c3b32d9fa6ee804ab2951f48a70db8bb03a38db0f10bea6d284aa

Aliases

arxiv: 1711.09793 · arxiv_version: 1711.09793v1 · doi: 10.48550/arxiv.1711.09793 · pith_short_12: VKET7DNMLQ5T · pith_short_16: VKET7DNMLQ5TFWP2 · pith_short_8: VKET7DNM

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/VKET7DNMLQ5TFWP2N3UAJKZJKH \
  | 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: aa893f8dac5c3b32d9fa6ee804ab2951f48a70db8bb03a38db0f10bea6d284aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47b128ef9e8f2181dc404ed4c752ca36819c4f021c97cf863283baa56818fe0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2017-11-27T16:04:07Z",
    "title_canon_sha256": "9f7ab4f5654c6a3d43e93d1f40436268b6879f162ebe1f8cb25169c3da1431ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09793",
    "kind": "arxiv",
    "version": 1
  }
}