Pith Number

pith:CGNZ4RSR

pith:2019:CGNZ4RSROOLT6AZDM6DRUFUB45

not attested not anchored not stored refs pending

Doppler Cooled Ions in a Compact, Reconfigurable Penning Trap

Brian C. Sawyer, Brian J. McMahon, Curtis Volin, Wade G. Rellergert

arxiv:1909.02034 v2 · 2019-09-04 · 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{CGNZ4RSROOLT6AZDM6DRUFUB45}

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	2026-07-05T00:33:15.999842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

119b9e465173973f032367871a1681e745f866de7d1b354c74cf34abfc8fdfe6

Aliases

arxiv: 1909.02034 · arxiv_version: 1909.02034v2 · doi: 10.48550/arxiv.1909.02034 · pith_short_12: CGNZ4RSROOLT · pith_short_16: CGNZ4RSROOLT6AZD · pith_short_8: CGNZ4RSR

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/CGNZ4RSROOLT6AZDM6DRUFUB45 \
  | 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: 119b9e465173973f032367871a1681e745f866de7d1b354c74cf34abfc8fdfe6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acaf79e953fd434a51feb7ccc670f1e9cee0a373668d0b1371dd076039ad4c07",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2019-09-04T18:13:57Z",
    "title_canon_sha256": "acdc253f6f4ab8c17d8c47b9cd2e43ac81dccc9c7009eaeb5a5419f71b79966f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02034",
    "kind": "arxiv",
    "version": 2
  }
}