Pith Number

pith:VNTNKIX7

pith:2012:VNTNKIX7QGYDH5FE6FWHDEP2TH

not attested not anchored not stored refs pending

On the Foundations of Quantum Key Distribution - Reply to Renner and Beyond

Horace P. Yuen

arxiv:1210.2804 v2 · 2012-10-10 · 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{VNTNKIX7QGYDH5FE6FWHDEP2TH}

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	2026-05-18T03:09:22.744066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab66d522ff81b033f4a4f16c7191fa99e4defe24438940fbdfe1c7247eaee5d6

Aliases

arxiv: 1210.2804 · arxiv_version: 1210.2804v2 · doi: 10.48550/arxiv.1210.2804 · pith_short_12: VNTNKIX7QGYD · pith_short_16: VNTNKIX7QGYDH5FE · pith_short_8: VNTNKIX7

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/VNTNKIX7QGYDH5FE6FWHDEP2TH \
  | 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: ab66d522ff81b033f4a4f16c7191fa99e4defe24438940fbdfe1c7247eaee5d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf4417848ef759b4a12e12df341bde40236f3d0fc8bf76b931e09fdf6bb9efff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-10-10T04:57:14Z",
    "title_canon_sha256": "5a23957939973f8abb6ef4b88bb7930a7c7d3d5de69313836cfe880c43c0df5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2804",
    "kind": "arxiv",
    "version": 2
  }
}