Pith Number

pith:V2I5H43H

pith:2014:V2I5H43HZ233C2R3WGXEVW7OBW

not attested not anchored not stored refs pending

Quantumness of correlations, quantumness of ensembles and quantum data hiding

John Calsamiglia, Marco Piani, Varun Narasimhachar

arxiv:1405.1640 v2 · 2014-05-07 · 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{V2I5H43HZ233C2R3WGXEVW7OBW}

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	2026-05-18T02:32:30.795144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae91d3f367ceb7b16a3bb1ae4adbee0d967fb8313591a9144870cafe59b832cd

Aliases

arxiv: 1405.1640 · arxiv_version: 1405.1640v2 · doi: 10.48550/arxiv.1405.1640 · pith_short_12: V2I5H43HZ233 · pith_short_16: V2I5H43HZ233C2R3 · pith_short_8: V2I5H43H

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/V2I5H43HZ233C2R3WGXEVW7OBW \
  | 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: ae91d3f367ceb7b16a3bb1ae4adbee0d967fb8313591a9144870cafe59b832cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f813ab46ccbdba64a76962ee39450ef26d3adbfe926f8f50a00ff5acfc31d438",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-05-07T15:26:02Z",
    "title_canon_sha256": "29a640cda11f91be8f7008ed248c166282df337dd3b8ea3a8fb5a8e2f92fe862"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.1640",
    "kind": "arxiv",
    "version": 2
  }
}