Pith Number

pith:IOXGP2KJ

pith:2012:IOXGP2KJ5F4XODZHYB3SXOQ5O5

not attested not anchored not stored refs pending

Ion-neutral sympathetic cooling in a hybrid linear rf Paul and magneto-optical trap

D. S. Goodman, F. A. Narducci, I. Sivarajah, J. E. Wells, W. W. Smith

arxiv:1207.1810 v3 · 2012-07-07 · physics.atom-ph · physics.plasm-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{IOXGP2KJ5F4XODZHYB3SXOQ5O5}

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	2026-05-18T03:45:33.107549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43ae67e949e979770f27c0772bba1d77762a8b12a21da244c54c27a83fb4c18d

Aliases

arxiv: 1207.1810 · arxiv_version: 1207.1810v3 · doi: 10.48550/arxiv.1207.1810 · pith_short_12: IOXGP2KJ5F4X · pith_short_16: IOXGP2KJ5F4XODZH · pith_short_8: IOXGP2KJ

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/IOXGP2KJ5F4XODZHYB3SXOQ5O5 \
  | 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: 43ae67e949e979770f27c0772bba1d77762a8b12a21da244c54c27a83fb4c18d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3f860ef6e4ad6a1daaed59f8629d6b0cf68310e1e655ef0d7d83820aa45922b",
    "cross_cats_sorted": [
      "physics.plasm-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-07-07T16:20:54Z",
    "title_canon_sha256": "dda458a4bd7dfeaa9b91a6bf03eb9966ba72dc771f4c5648c350b5101aae43d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1810",
    "kind": "arxiv",
    "version": 3
  }
}