Pith Number

pith:7HH3IXYK

pith:2024:7HH3IXYKLN4QAE7MMHTTJMZ6LZ

not attested not anchored not stored refs pending

Entropy bounds for device-independent quantum key distribution with local Bell test

Ernest Y.-Z. Tan, Ramona Wolf

arxiv:2404.00792 v2 · 2024-03-31 · 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{7HH3IXYKLN4QAE7MMHTTJMZ6LZ}

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	2026-07-05T09:18:24.257233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9cfb45f0a5b790013ec61e734b33e5e41336a8043f80a7421cd1aaab47b5771

Aliases

arxiv: 2404.00792 · arxiv_version: 2404.00792v2 · doi: 10.48550/arxiv.2404.00792 · pith_short_12: 7HH3IXYKLN4Q · pith_short_16: 7HH3IXYKLN4QAE7M · pith_short_8: 7HH3IXYK

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/7HH3IXYKLN4QAE7MMHTTJMZ6LZ \
  | 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: f9cfb45f0a5b790013ec61e734b33e5e41336a8043f80a7421cd1aaab47b5771

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02834adb37d7c7284effbbbd9ce179bc1e3025a84ac2436e7f48cecb7e96ec1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-03-31T20:33:40Z",
    "title_canon_sha256": "9ccf21db7691785901cc8d95e932db218bd5d939ee5cd441499d78ef92bbcaab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.00792",
    "kind": "arxiv",
    "version": 2
  }
}