Pith Number

pith:YVXPZRWZ

pith:2011:YVXPZRWZS6JFJYJ4ZTDSD5NKZ5

not attested not anchored not stored refs pending

Quantum key distribution with finite resources: Taking advantage of quantum noise

Dagmar Bru{\ss}, Hermann Kampermann, Markus Mertz, Zahra Shadman

arxiv:1112.5542 v1 · 2011-12-23 · 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{YVXPZRWZS6JFJYJ4ZTDSD5NKZ5}

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	2026-05-18T01:59:01.015576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c56efcc6d9979254e13cccc721f5aacf52b398ad8b7a1c241ccb355c9544bff6

Aliases

arxiv: 1112.5542 · arxiv_version: 1112.5542v1 · doi: 10.48550/arxiv.1112.5542 · pith_short_12: YVXPZRWZS6JF · pith_short_16: YVXPZRWZS6JFJYJ4 · pith_short_8: YVXPZRWZ

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/YVXPZRWZS6JFJYJ4ZTDSD5NKZ5 \
  | 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: c56efcc6d9979254e13cccc721f5aacf52b398ad8b7a1c241ccb355c9544bff6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea5264a93836a84d76939391d2e6977cacdcda1a6a98d6b822b35ce96c2dc802",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-12-23T09:29:21Z",
    "title_canon_sha256": "70e6e56b48c44d74a0cae72ba2ab84e5686974bca7a94f7c8aa358b4f94cbdfc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5542",
    "kind": "arxiv",
    "version": 1
  }
}