Pith Number

pith:J6CBP2Q2

pith:2026:J6CBP2Q2PNQBN24W7PU4XEM2CT

not attested not anchored not stored refs pending

Bosonic quantum communication beyond the thermal threshold

Francesco Anna Mele, Giuseppe Catalano, Ludovico Lami, Marco Fanizza, Vittorio Giovannetti

arxiv:2607.27449 v1 · 2026-07-29 · 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{J6CBP2Q2PNQBN24W7PU4XEM2CT}

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	2026-07-31T00:12:12.187810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

4f8417ea1a7b6016eb96fbe9cb919a14f6a4f07dc176df7364dc8b5a8f56bade

Aliases

arxiv: 2607.27449 · arxiv_version: 2607.27449v1 · doi: 10.48550/arxiv.2607.27449 · pith_short_12: J6CBP2Q2PNQB · pith_short_16: J6CBP2Q2PNQBN24W · pith_short_8: J6CBP2Q2

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/J6CBP2Q2PNQBN24W7PU4XEM2CT \
  | 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: 4f8417ea1a7b6016eb96fbe9cb919a14f6a4f07dc176df7364dc8b5a8f56bade

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7d776c3be25e60bbd5abff4bac7801a8e2b4f59ec28db8daa37db1ddd4991e4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-29T20:30:47Z",
    "title_canon_sha256": "928f81adbe65c06d3b7bc77efe947222138c43ac19486313c26b2f9ab60f8ec5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27449",
    "kind": "arxiv",
    "version": 1
  }
}