Pith Number

pith:J2GLBD3E

pith:2010:J2GLBD3ETEFTMIZEECTV42I6EW

not attested not anchored not stored refs pending

Min-entropy and quantum key distribution: non-zero key rates for "small" numbers of signals

Dagmar Bru{\ss}, Hermann Kampermann, Markus Mertz, Sylvia Bratzik

arxiv:1011.1190 v3 · 2010-11-04 · 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{J2GLBD3ETEFTMIZEECTV42I6EW}

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	2026-05-18T04:26:22.954572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e8cb08f64990b36232420a75e691e25b74aff47071879beaaaa881f6b39c56b

Aliases

arxiv: 1011.1190 · arxiv_version: 1011.1190v3 · doi: 10.48550/arxiv.1011.1190 · pith_short_12: J2GLBD3ETEFT · pith_short_16: J2GLBD3ETEFTMIZE · pith_short_8: J2GLBD3E

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/J2GLBD3ETEFTMIZEECTV42I6EW \
  | 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: 4e8cb08f64990b36232420a75e691e25b74aff47071879beaaaa881f6b39c56b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c69f46280245745ec87cdedc5f01b30e0c5d48677d86b3dd8f61f297d0cf83d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-11-04T15:35:46Z",
    "title_canon_sha256": "d2219a95a5db081672ea6405e8fbecc021ef3166f13dc5c18a045b0a17de55b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1190",
    "kind": "arxiv",
    "version": 3
  }
}