Pith Number

pith:UYUBBED4

pith:2012:UYUBBED4DWXJUNXFO7TL3DCZAX

not attested not anchored not stored refs pending

Adversary Lower Bound for the k-sum Problem

Aleksandrs Belovs, Robert Spalek

arxiv:1206.6528 v2 · 2012-06-27 · quant-ph · cs.CC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UYUBBED4DWXJUNXFO7TL3DCZAX}

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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

Tight Quantum Lower Bound for k-Distinctness

Receipt and verification

First computed	2026-05-18T03:49:00.675563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a62810907c1dae9a36e577e6bd8c5905fc4e2ef6460b9bd4fa82eb98cacb8173

Aliases

arxiv: 1206.6528 · arxiv_version: 1206.6528v2 · doi: 10.48550/arxiv.1206.6528 · pith_short_12: UYUBBED4DWXJ · pith_short_16: UYUBBED4DWXJUNXF · pith_short_8: UYUBBED4

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/UYUBBED4DWXJUNXFO7TL3DCZAX \
  | 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: a62810907c1dae9a36e577e6bd8c5905fc4e2ef6460b9bd4fa82eb98cacb8173

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cca33daae5cc719a52d61479582dc66fb64b24e8dec3051885498a6ca06c75c",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-06-27T21:41:47Z",
    "title_canon_sha256": "f5af17e54b651f39b7a913b23f7d09ef0a979708d9dd79674676daa6bc1b1e1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6528",
    "kind": "arxiv",
    "version": 2
  }
}