Pith Number

pith:Q7UYKNUX

pith:2009:Q7UYKNUXJZALPV5OTG5BQW2WZB

not attested not anchored not stored refs pending

Evolutionary Optimization of State Selective Field Ionization for Quantum Computing

B. Sanguinetti, B. T. H. Varcoe, H. O. Majeed, M. L. Jones

arxiv:0909.3217 v1 · 2009-09-17 · physics.ins-det · physics.atom-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{Q7UYKNUXJZALPV5OTG5BQW2WZB}

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	2026-05-18T04:38:17.412081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87e98536974e40b7d7ae99ba185b56c85a5e0b746fab7059b78eb699f96d99e9

Aliases

arxiv: 0909.3217 · arxiv_version: 0909.3217v1 · doi: 10.48550/arxiv.0909.3217 · pith_short_12: Q7UYKNUXJZAL · pith_short_16: Q7UYKNUXJZALPV5O · pith_short_8: Q7UYKNUX

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/Q7UYKNUXJZALPV5OTG5BQW2WZB \
  | 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: 87e98536974e40b7d7ae99ba185b56c85a5e0b746fab7059b78eb699f96d99e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "023404c1d8013a893c83905bfa2b927874876fb070466c2519d49a7534e23d17",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2009-09-17T13:46:35Z",
    "title_canon_sha256": "65ed17dbef3eb522555934d9fe86147ee68d88d04d8c6fb4876ddc4f648dbbad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3217",
    "kind": "arxiv",
    "version": 1
  }
}