Pith Number

pith:MNFBPJYH

pith:2026:MNFBPJYH24OC77M747ZC7DI3J2

not attested not anchored not stored refs pending

No-Go Theorem for Gaussian Quantum Repeaters from Fractional Extendibility

Graeme Smith, Rabsan Galib Ahmed

arxiv:2606.05097 v1 · 2026-06-03 · quant-ph · cs.IT · 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{MNFBPJYH24OC77M747ZC7DI3J2}

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

Energetics of non-Gaussianity in single mode cavities

Receipt and verification

First computed	2026-06-04T01:10:05.985713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

634a17a707d71c2ffd9fe7f22f8d1b4ea0294d2046e556e8610ef4e8b0a1b16d

Aliases

arxiv: 2606.05097 · arxiv_version: 2606.05097v1 · doi: 10.48550/arxiv.2606.05097 · pith_short_12: MNFBPJYH24OC · pith_short_16: MNFBPJYH24OC77M7 · pith_short_8: MNFBPJYH

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/MNFBPJYH24OC77M747ZC7DI3J2 \
  | 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: 634a17a707d71c2ffd9fe7f22f8d1b4ea0294d2046e556e8610ef4e8b0a1b16d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6703451bc077852db3b6bc90eb57dc3e4fdd04c36b72c7512e9a4de5f9ccc18",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-03T17:00:00Z",
    "title_canon_sha256": "a24529392fcad8e5a7280567be38c85fb3eb42cbdb8541f0d5cd5adc82793e4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05097",
    "kind": "arxiv",
    "version": 1
  }
}