Pith. sign in
Pith Number

pith:FD2DA37I

pith:2025:FD2DA37IR3XZVFG35SUAZ5YBXN
not attested not anchored not stored refs pending

On Strong Converse Bounds for the Private and Quantum Capacities of Anti-degradable Channels

Christoph Hirche, Zahra Baghali Khanian

arxiv:2507.15661 v1 · 2025-07-21 · quant-ph · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FD2DA37IR3XZVFG35SUAZ5YBXN}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-05T11:40:41.629156Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

28f4306fe88eef9a94dbeca80cf701bb43763ef52473dd2a78e7969226a0cc2e

Aliases

arxiv: 2507.15661 · arxiv_version: 2507.15661v1 · doi: 10.48550/arxiv.2507.15661 · pith_short_12: FD2DA37IR3XZ · pith_short_16: FD2DA37IR3XZVFG3 · pith_short_8: FD2DA37I
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FD2DA37IR3XZVFG35SUAZ5YBXN \
  | 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: 28f4306fe88eef9a94dbeca80cf701bb43763ef52473dd2a78e7969226a0cc2e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "890c8fd6ef803b0c3566973aa22ccd1eeae1d662f9688661debf6056056af63a",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-21T14:22:28Z",
    "title_canon_sha256": "d61f81e08209f0f9ac4668a3b1c3ccf6aec031e7cf48dd0d88336b95fa1bb300"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.15661",
    "kind": "arxiv",
    "version": 1
  }
}