Pith Number

pith:QHXXTRBD

pith:2003:QHXXTRBDVX5JDMHA3CXYN6BLPM

not attested not anchored not stored refs pending

A lower bound for bounded round quantum communication complexity of set disjointness

Jaikumar Radhakrishnan, Pranab Sen, Rahul Jain

arxiv:quant-ph/0303138 v2 · 2003-03-22 · 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{QHXXTRBDVX5JDMHA3CXYN6BLPM}

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

Quantum Communication Lower Bounds for Search Problems via Matrix Discrepancy

Receipt and verification

First computed	2026-07-04T14:46:08.821803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81ef79c423adfa91b0e0d8af86f82b7b0affc679c63bd3361d8e9d6b938d7554

Aliases

arxiv: quant-ph/0303138 · arxiv_version: quant-ph/0303138v2 · doi: 10.48550/arxiv.quant-ph/0303138 · pith_short_12: QHXXTRBDVX5J · pith_short_16: QHXXTRBDVX5JDMHA · pith_short_8: QHXXTRBD

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/QHXXTRBDVX5JDMHA3CXYN6BLPM \
  | 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: 81ef79c423adfa91b0e0d8af86f82b7b0affc679c63bd3361d8e9d6b938d7554

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "326db60785f3d27c11394fa4b0f6a749f091659e8284278843c93d650c19db47",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-03-22T08:07:45Z",
    "title_canon_sha256": "80a47c3eea010e22ca7796f5605fe9e4796187a9f2e6f91e5313eb90b4297d11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0303138",
    "kind": "arxiv",
    "version": 2
  }
}