Pith Number

pith:2YVEJBRT

pith:2026:2YVEJBRTU5IVTO4ROIAL3SQ3KA

not attested not anchored not stored refs pending

Reliability Functions of Quantum Soft Covering and Privacy Amplification via a Mixed-Order R\'enyi Divergence

Hongsen Qiu, Shi-Bing Li, Xinyu Zhang

arxiv:2607.27015 v1 · 2026-07-29 · quant-ph · cs.IT · math.FA · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2YVEJBRTU5IVTO4ROIAL3SQ3KA}

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	2026-07-30T01:23:20.583942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

d62a448633a75159bb917200bdca1b5037fe9b51214bf839bb5dc8cf1efb3e54

Aliases

arxiv: 2607.27015 · arxiv_version: 2607.27015v1 · doi: 10.48550/arxiv.2607.27015 · pith_short_12: 2YVEJBRTU5IV · pith_short_16: 2YVEJBRTU5IVTO4R · pith_short_8: 2YVEJBRT

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/2YVEJBRTU5IVTO4ROIAL3SQ3KA \
  | 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: d62a448633a75159bb917200bdca1b5037fe9b51214bf839bb5dc8cf1efb3e54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4be1d1573e7c1af4fcf67f07433b9716f3f1eb9f6943fb1fb767748056c3138",
    "cross_cats_sorted": [
      "cs.IT",
      "math.FA",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-29T15:14:46Z",
    "title_canon_sha256": "dd8236937ef694ba5c01172867b75e1cfc7df873405dc3de3b2284368136d0b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27015",
    "kind": "arxiv",
    "version": 1
  }
}