Pith Number

pith:6H4JED7D

pith:2010:6H4JED7DTDPBEFI2PDWWCPUNPP

not attested not anchored not stored refs pending

Quantum One-Way Communication is Exponentially Stronger Than Classical Communication

Bo'az Klartag, Oded Regev

arxiv:1009.3640 v1 · 2010-09-19 · cs.CC · math.MG · 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{6H4JED7DTDPBEFI2PDWWCPUNPP}

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	2026-05-18T04:40:44.346015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1f8920fe398de12151a78ed613e8d7bc584b8f3be04196ea13e3d84c89d35c9

Aliases

arxiv: 1009.3640 · arxiv_version: 1009.3640v1 · doi: 10.48550/arxiv.1009.3640 · pith_short_12: 6H4JED7DTDPB · pith_short_16: 6H4JED7DTDPBEFI2 · pith_short_8: 6H4JED7D

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/6H4JED7DTDPBEFI2PDWWCPUNPP \
  | 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: f1f8920fe398de12151a78ed613e8d7bc584b8f3be04196ea13e3d84c89d35c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7399821e4f49cb263c2f3f232b08ca676152553603bb350d0385eae5268729b4",
    "cross_cats_sorted": [
      "math.MG",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2010-09-19T14:13:36Z",
    "title_canon_sha256": "0eb2394097d5a7f0037da177a3deeb4a4375d0d338da6eef7d97650bfcea82a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3640",
    "kind": "arxiv",
    "version": 1
  }
}