Pith Number

pith:OTFEVPEV

pith:2020:OTFEVPEVBIFHLU3CPLQZ3UCQAN

not attested not anchored not stored refs pending

Tight Quantum Lower Bound for Approximate Counting with Quantum States

Aleksandrs Belovs, Ansis Rosmanis

arxiv:2002.06879 v2 · 2020-02-17 · 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{OTFEVPEVBIFHLU3CPLQZ3UCQAN}

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 Counting in the Rydberg Blockade

Receipt and verification

First computed	2026-07-05T08:16:17.606738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74ca4abc950a0a75d3627ae19dd0500365cf1f7f4a721b4a586693e9fe5ffb53

Aliases

arxiv: 2002.06879 · arxiv_version: 2002.06879v2 · doi: 10.48550/arxiv.2002.06879 · pith_short_12: OTFEVPEVBIFH · pith_short_16: OTFEVPEVBIFHLU3C · pith_short_8: OTFEVPEV

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/OTFEVPEVBIFHLU3CPLQZ3UCQAN \
  | 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: 74ca4abc950a0a75d3627ae19dd0500365cf1f7f4a721b4a586693e9fe5ffb53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "355ad32759d1a9870cc5b9ddbe5a0e1c27e52f9a94fcdf6b231d56791dfe4e58",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-02-17T10:53:50Z",
    "title_canon_sha256": "695cceb6d14402298afeed612927f17b0ce72de0f8be9ba7e4feb7c08a844954"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.06879",
    "kind": "arxiv",
    "version": 2
  }
}