Pith Number

pith:XO7ZYEKF

pith:2011:XO7ZYEKFYZY4OQL6VEFPSRTLUJ

not attested not anchored not stored refs pending

Tsirelson's bound from a Generalised Data Processing Inequality

Daniel Lercher, Oscar C. O. Dahlsten, Renato Renner

arxiv:1108.4549 v2 · 2011-08-23 · 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{XO7ZYEKFYZY4OQL6VEFPSRTLUJ}

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	2026-05-18T03:51:58.596525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbbf9c1145c671c7417ea90af9466ba27673cf0567d3be39a90b14e6c89e0d97

Aliases

arxiv: 1108.4549 · arxiv_version: 1108.4549v2 · doi: 10.48550/arxiv.1108.4549 · pith_short_12: XO7ZYEKFYZY4 · pith_short_16: XO7ZYEKFYZY4OQL6 · pith_short_8: XO7ZYEKF

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/XO7ZYEKFYZY4OQL6VEFPSRTLUJ \
  | 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: bbbf9c1145c671c7417ea90af9466ba27673cf0567d3be39a90b14e6c89e0d97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a6d10b4f10c97e8c59bf2a6835d69bfb5670e043e602b593718a22733992ecd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-08-23T10:48:07Z",
    "title_canon_sha256": "c16c10dffe522d3cb1845450bb7bc6fa5e91a43579e0690f6e058c609930ded6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4549",
    "kind": "arxiv",
    "version": 2
  }
}