Pith Number

pith:QHRUS63Z

pith:2013:QHRUS63Z37Q3MX7BCPGMOQRAUI

not attested not anchored not stored refs pending

A System for Trapping Barium Ions in a Microfabricated Surface Trap

Boris B Blinov, John Wright, Richard D Graham, Shaw-Pin Chen, Tomasz Sakrejda, Zichao Zhou

arxiv:1305.2224 v2 · 2013-05-09 · 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{QHRUS63Z37Q3MX7BCPGMOQRAUI}

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	2026-05-18T03:03:32.213275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81e3497b79dfe1b65fe113ccc74220a202dc72023f376e7c08d4a463cf31d8f2

Aliases

arxiv: 1305.2224 · arxiv_version: 1305.2224v2 · doi: 10.48550/arxiv.1305.2224 · pith_short_12: QHRUS63Z37Q3 · pith_short_16: QHRUS63Z37Q3MX7B · pith_short_8: QHRUS63Z

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/QHRUS63Z37Q3MX7BCPGMOQRAUI \
  | 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: 81e3497b79dfe1b65fe113ccc74220a202dc72023f376e7c08d4a463cf31d8f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deec8ce0ef8aab9f7596ac60567e1ff9473c3ff0628409a73d9821932084dab3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2013-05-09T22:17:37Z",
    "title_canon_sha256": "242ec31669bab78819edb2138a48c3d92c7181ce8f74349bf901d524b1eeb7ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2224",
    "kind": "arxiv",
    "version": 2
  }
}