Pith Number

pith:FQBHXK5K

pith:2014:FQBHXK5KHBOCXMOWXHAZMSQKUD

not attested not anchored not stored refs pending

Multi-Source Randomness Extractors Against Quantum Side Information, and their Applications

Kai-Min Chung, Xiaodi Wu, Xin Li

arxiv:1411.2315 v1 · 2014-11-10 · quant-ph · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQBHXK5KHBOCXMOWXHAZMSQKUD}

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	2026-05-18T02:38:07.858744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c027babaa385c2bb1d6b9c1964a0aa0cb62e151b844cedbbd08519ec2578f41

Aliases

arxiv: 1411.2315 · arxiv_version: 1411.2315v1 · doi: 10.48550/arxiv.1411.2315 · pith_short_12: FQBHXK5KHBOC · pith_short_16: FQBHXK5KHBOCXMOW · pith_short_8: FQBHXK5K

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/FQBHXK5KHBOCXMOWXHAZMSQKUD \
  | 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: 2c027babaa385c2bb1d6b9c1964a0aa0cb62e151b844cedbbd08519ec2578f41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edb7a61c5a9ddd02f90365ace50f4da84c18c7b1c4285aba5dc55af35bc48ee6",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-11-10T03:40:05Z",
    "title_canon_sha256": "2bc3bf35256b8f44c4cafe54d1c5b97a4c67da91b378ab68a52951c18bf01d38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.2315",
    "kind": "arxiv",
    "version": 1
  }
}