Pith Number

pith:PIFFJNIY

pith:2011:PIFFJNIYB2G47XACVJHJQ64ORP

not attested not anchored not stored refs pending

Communication cost of classically simulating a quantum channel with subsequent rank-1 projective measurement

Alberto Montina

arxiv:1110.5944 v2 · 2011-10-26 · 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{PIFFJNIYB2G47XACVJHJQ64ORP}

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	2026-05-18T04:05:38.149273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a0a54b5180e8dcfdc02aa4e987b8e8bf172d61b2ed50f06667024049aaa935a

Aliases

arxiv: 1110.5944 · arxiv_version: 1110.5944v2 · doi: 10.48550/arxiv.1110.5944 · pith_short_12: PIFFJNIYB2G4 · pith_short_16: PIFFJNIYB2G47XAC · pith_short_8: PIFFJNIY

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/PIFFJNIYB2G47XACVJHJQ64ORP \
  | 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: 7a0a54b5180e8dcfdc02aa4e987b8e8bf172d61b2ed50f06667024049aaa935a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "982b647e5904d71f9767212852a15e6f3ffa96e1a17f38d4e2ae6864cfe31fef",
    "cross_cats_sorted": [
      "cs.IT",
      "math-ph",
      "math.IT",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-10-26T23:09:03Z",
    "title_canon_sha256": "4f48b3f72d73dbced25c915efdf78913daa28278c1c6eda7114b76b8ad1f1986"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5944",
    "kind": "arxiv",
    "version": 2
  }
}