Pith Number

pith:KJKACGC5

pith:2000:KJKACGC5WOAYVFZ64UERORQBV6

not attested not anchored not stored refs pending

Speed of ion trap quantum information processors

A. Mundt, A. Steane, C. F. Roos, D. Leibfried, D. Stevens, F. Schmidt-Kaler, R. Blatt

arxiv:quant-ph/0003087 v2 · 2000-03-20 · 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{KJKACGC5WOAYVFZ64UERORQBV6}

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	2026-07-04T16:22:19.207900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

525401185db3818a973ee509174601afb301dbde4e6f376cd55d79932d89863a

Aliases

arxiv: quant-ph/0003087 · arxiv_version: quant-ph/0003087v2 · doi: 10.48550/arxiv.quant-ph/0003087 · pith_short_12: KJKACGC5WOAY · pith_short_16: KJKACGC5WOAYVFZ6 · pith_short_8: KJKACGC5

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/KJKACGC5WOAYVFZ64UERORQBV6 \
  | 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: 525401185db3818a973ee509174601afb301dbde4e6f376cd55d79932d89863a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70022f1229a80536f9923e6f69537753aeb8afb3c3cf046f2c673e68311680a5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2000-03-20T19:49:58Z",
    "title_canon_sha256": "8cd6c153477f31ccc92f9b1a91dd774f9345534563574e2d5a4919a8f3c9c70f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0003087",
    "kind": "arxiv",
    "version": 2
  }
}