Pith Number

pith:BX7UPC7C

pith:2012:BX7UPC7CII33QIVVPSCXYKJN4C

not attested not anchored not stored refs pending

Postprocessing for quantum random number generators: entropy evaluation and randomness extraction

Bing Qi, Feihu Xu, He Xu, Hoi-Kwong Lo, Xiaoqing Tan, Xiongfeng Ma

arxiv:1207.1473 v2 · 2012-07-05 · quant-ph · 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{BX7UPC7CII33QIVVPSCXYKJN4C}

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.

Cited by

1 paper in Pith

Stream randomness extraction against quantum side information

Receipt and verification

First computed	2026-05-18T03:20:09.797967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dff478be24237b822b57c857c292de087624af6bf41fb5e81676ce0c2445121

Aliases

arxiv: 1207.1473 · arxiv_version: 1207.1473v2 · doi: 10.48550/arxiv.1207.1473 · pith_short_12: BX7UPC7CII33 · pith_short_16: BX7UPC7CII33QIVV · pith_short_8: BX7UPC7C

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/BX7UPC7CII33QIVVPSCXYKJN4C \
  | 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: 0dff478be24237b822b57c857c292de087624af6bf41fb5e81676ce0c2445121

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9089ffa3eda84fd5ddb822059c13e7b2867d906e2121943a58576e433c250161",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-05T22:12:05Z",
    "title_canon_sha256": "a4ad86d01c7fdfdf61ff43ced4e526482531ba381e094fabc04878c7d92c7036"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1473",
    "kind": "arxiv",
    "version": 2
  }
}