Pith Number

pith:7JE2RDE3

pith:2020:7JE2RDE3SNRVQTFI2W3THXPW2K

not attested not anchored not stored refs pending

Device-independent quantum key distribution from generalized CHSH inequalities

E.Y.-Z. Tan, J.-D. Bancal, N. Sangouard, P. Sekatski, R. Renner, X. Valcarce

arxiv:2009.01784 v4 · 2020-09-03 · 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{7JE2RDE3SNRVQTFI2W3THXPW2K}

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	2026-07-05T02:35:17.809905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa49a88c9b9363584ca8d5b733ddf6d2be8bdb63acd67744c0e9dc412ebc68f2

Aliases

arxiv: 2009.01784 · arxiv_version: 2009.01784v4 · doi: 10.48550/arxiv.2009.01784 · pith_short_12: 7JE2RDE3SNRV · pith_short_16: 7JE2RDE3SNRVQTFI · pith_short_8: 7JE2RDE3

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/7JE2RDE3SNRVQTFI2W3THXPW2K \
  | 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: fa49a88c9b9363584ca8d5b733ddf6d2be8bdb63acd67744c0e9dc412ebc68f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64c999a1bb353369f56ba9b27173f8fec6f261567180a3f5a1450413d635c7ff",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-09-03T16:49:50Z",
    "title_canon_sha256": "c4812171723b577bb2ce0e1621b6e41ed9ace90723bc08b642d6893173c73d2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.01784",
    "kind": "arxiv",
    "version": 4
  }
}