Pith Number

pith:RXPA7L4I

pith:2014:RXPA7L4IETE4J6JZ2KRLTMPKYE

not attested not anchored not stored refs pending

Physical Randomness Extractors: Generating Random Numbers with Minimal Assumptions

Kai-Min Chung, Xiaodi Wu, Yaoyun Shi

arxiv:1402.4797 v3 · 2014-02-19 · 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{RXPA7L4IETE4J6JZ2KRLTMPKYE}

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	2026-05-18T02:09:41.948657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dde0faf8824c9c4f939d2a2b9b1eac1280183755d89e8069cbcb937eb5f2a9e

Aliases

arxiv: 1402.4797 · arxiv_version: 1402.4797v3 · doi: 10.48550/arxiv.1402.4797 · pith_short_12: RXPA7L4IETE4 · pith_short_16: RXPA7L4IETE4J6JZ · pith_short_8: RXPA7L4I

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/RXPA7L4IETE4J6JZ2KRLTMPKYE \
  | 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: 8dde0faf8824c9c4f939d2a2b9b1eac1280183755d89e8069cbcb937eb5f2a9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d6240fea71947165c677898c9da73cd9d688fb9e08c44fc6d75c6a54a2ea8d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-02-19T20:40:10Z",
    "title_canon_sha256": "b558a7becc484a454b02408eed65f0691d9569d38d22c82019c6f5cc151c2b5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4797",
    "kind": "arxiv",
    "version": 3
  }
}