Pith Number

pith:Y5UX2MC5

pith:2016:Y5UX2MC5MV3Q5RFXPHKQ5FK36F

not attested not anchored not stored refs pending

Sympathetic cooling of $^{40}\textbf{Ca}^+$ - $^{27}\textbf{Al}^+$ ion pair crystal in a linear Paul trap

Hua-lin Shu, Jian Cao, Jun-juan Shang, Kai-feng Cui, Shao-mao Wang, Xue-ren Huang

arxiv:1601.00758 v5 · 2016-01-05 · 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{Y5UX2MC5MV3Q5RFXPHKQ5FK36F}

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	2026-05-17T23:55:39.128854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7697d305d65770ec4b779d50e955bf145e5189808c8005d9aa5ce624ab9936d

Aliases

arxiv: 1601.00758 · arxiv_version: 1601.00758v5 · doi: 10.48550/arxiv.1601.00758 · pith_short_12: Y5UX2MC5MV3Q · pith_short_16: Y5UX2MC5MV3Q5RFX · pith_short_8: Y5UX2MC5

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/Y5UX2MC5MV3Q5RFXPHKQ5FK36F \
  | 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: c7697d305d65770ec4b779d50e955bf145e5189808c8005d9aa5ce624ab9936d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ceb5282ac575e1f43e47c07c24700779ff12f2e54a552fd36b2690f88bf0110",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2016-01-05T07:38:12Z",
    "title_canon_sha256": "653c61faaafd229e94f96ef0ef4c3a7139780d805f16c8b0e2a9b281b1632215"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00758",
    "kind": "arxiv",
    "version": 5
  }
}