Pith Number

pith:454L2C7N

pith:2023:454L2C7NJWNIH22XJQQ4PINVIT

not attested not anchored not stored refs pending

Estimate distillable entanglement and quantum capacity by squeezing useless entanglement

Chenghong Zhu, Chengkai Zhu, Xin Wang

arxiv:2303.07228 v4 · 2023-03-13 · quant-ph · cs.IT · math-ph · math.IT · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{454L2C7NJWNIH22XJQQ4PINVIT}

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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

Sharp Quantum Capacity Thresholds: Exponential Strong Converses for Degradable and Antidegradable Channels

Receipt and verification

First computed	2026-07-05T08:49:24.003337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e778bd0bed4d9a83eb574c21c7a1b544e6c812b4fcbdf3c227ddb656dd3ebeb3

Aliases

arxiv: 2303.07228 · arxiv_version: 2303.07228v4 · doi: 10.48550/arxiv.2303.07228 · pith_short_12: 454L2C7NJWNI · pith_short_16: 454L2C7NJWNIH22X · pith_short_8: 454L2C7N

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/454L2C7NJWNIH22XJQQ4PINVIT \
  | 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: e778bd0bed4d9a83eb574c21c7a1b544e6c812b4fcbdf3c227ddb656dd3ebeb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96d39d985c059dc80e0812e1f941ce757c810e4ea3812dff3faef330bf2f9573",
    "cross_cats_sorted": [
      "cs.IT",
      "math-ph",
      "math.IT",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-03-13T16:02:18Z",
    "title_canon_sha256": "6c44c5a9d2a6232a4666eeea9db3171ec9454d4f7fdd339984d751c4204a6c47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.07228",
    "kind": "arxiv",
    "version": 4
  }
}