Pith Number

pith:6AUD5HLU

pith:2025:6AUD5HLUPPDKYSLHMEQIWNMIHH

not attested not anchored not stored refs pending

Selective ionization of Rydberg atoms to reduce the energy spread of a cold atom focused ion beam

Alexander A. Wood, Allan Pennings, Andrew J. McCulloch, Christopher J. Billington, Kaih T. Mitchell, Robert E. Scholten, Rory W. Speirs

arxiv:2505.05750 v1 · 2025-05-09 · 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{6AUD5HLUPPDKYSLHMEQIWNMIHH}

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	2026-07-05T11:39:11.425030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0283e9d747bc6ac496761208b358839de198096122f3c48618f504075bdc01e

Aliases

arxiv: 2505.05750 · arxiv_version: 2505.05750v1 · doi: 10.48550/arxiv.2505.05750 · pith_short_12: 6AUD5HLUPPDK · pith_short_16: 6AUD5HLUPPDKYSLH · pith_short_8: 6AUD5HLU

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/6AUD5HLUPPDKYSLHMEQIWNMIHH \
  | 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: f0283e9d747bc6ac496761208b358839de198096122f3c48618f504075bdc01e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ab136036e707c95f6a5aaa1ef0ce6d4e04a0ac3fafc7a3c88bd057ca47923fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2025-05-09T03:17:16Z",
    "title_canon_sha256": "0166c2ae38d8d751e46fbc1b4f4b5e7f0b7a21bf3e8bdadb22003734ddaeae4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.05750",
    "kind": "arxiv",
    "version": 1
  }
}