Pith Number

pith:ITRXGV4H

pith:2005:ITRXGV4HK7IQXHAS6S4L3KKF7M

not attested not anchored not stored refs pending

Feedback cooling of a single trapped ion

Alex Wilson, Christoph Becher, Daniel Rotter, Francois Dubin, Juergen Eschner, Pavel Bushev, Peter Rabl, Peter Zoller, Rainer Blatt, Viktor Steixner

arxiv:quant-ph/0509125 v1 · 2005-09-19 · 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{ITRXGV4HK7IQXHAS6S4L3KKF7M}

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	2026-05-18T01:37:57.433690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44e373578757d10b9c12f4b8bda945fb2e425e4095423007e0d9e29dc8e2b48f

Aliases

arxiv: quant-ph/0509125 · arxiv_version: quant-ph/0509125v1 · doi: 10.48550/arxiv.quant-ph/0509125 · pith_short_12: ITRXGV4HK7IQ · pith_short_16: ITRXGV4HK7IQXHAS · pith_short_8: ITRXGV4H

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/ITRXGV4HK7IQXHAS6S4L3KKF7M \
  | 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: 44e373578757d10b9c12f4b8bda945fb2e425e4095423007e0d9e29dc8e2b48f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "018de99803dfbb5e4e681d2925eaced53339c3dcef56447b9ee279fa244b7da5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-09-19T15:29:13Z",
    "title_canon_sha256": "3e8bc9c77a43576a99641dbb21570601fc2c1ecdce3b04b620543f043967e9de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0509125",
    "kind": "arxiv",
    "version": 1
  }
}