Pith Number

pith:ZMQRCH7R

pith:2012:ZMQRCH7R25ZVKRS3WIWBPZFKOD

not attested not anchored not stored refs pending

Ground state sideband cooling of an ion in a room temperature trap with a sub-Hertz heating rate

G. Poulsen, M. Drewsen, Y. Miroshnychenko

arxiv:1205.1949 v2 · 2012-05-09 · physics.atom-ph · 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{ZMQRCH7R25ZVKRS3WIWBPZFKOD}

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	2026-05-18T03:55:57.082196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb21111ff1d77355465bb22c17e4aa70c835eb93634bd68a83eae987519291fa

Aliases

arxiv: 1205.1949 · arxiv_version: 1205.1949v2 · doi: 10.48550/arxiv.1205.1949 · pith_short_12: ZMQRCH7R25ZV · pith_short_16: ZMQRCH7R25ZVKRS3 · pith_short_8: ZMQRCH7R

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/ZMQRCH7R25ZVKRS3WIWBPZFKOD \
  | 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: cb21111ff1d77355465bb22c17e4aa70c835eb93634bd68a83eae987519291fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16f0c278cdc477134a6b5fffba5ef12746b5fe2db4032d33165940ce3158f5a2",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-05-09T11:58:33Z",
    "title_canon_sha256": "ff5852c55cf44d7464fb7d53b48cda90e0c836a42263b181554934cc69f4681e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1949",
    "kind": "arxiv",
    "version": 2
  }
}