Pith Number

pith:IMFDGAP3

pith:2004:IMFDGAP3BPOA3EADMGIOFJAWG4

not attested not anchored not stored refs pending

Sympathetic cooling of $^4$He$^+$ ions in a radiofrequency trap

B. Roth, S. Schiller, U. Fr\"ohlich

arxiv:physics/0412053 v1 · 2004-12-09 · physics.atom-ph · physics.plasm-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{IMFDGAP3BPOA3EADMGIOFJAWG4}

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	2026-05-18T01:08:48.672872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

430a3301fb0bdc0d90036190e2a4163709ea1a2bee9298d3fa477f019d7ab8c1

Aliases

arxiv: physics/0412053 · arxiv_version: physics/0412053v1 · doi: 10.48550/arxiv.physics/0412053 · pith_short_12: IMFDGAP3BPOA · pith_short_16: IMFDGAP3BPOA3EAD · pith_short_8: IMFDGAP3

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/IMFDGAP3BPOA3EADMGIOFJAWG4 \
  | 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: 430a3301fb0bdc0d90036190e2a4163709ea1a2bee9298d3fa477f019d7ab8c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9afbc9ffd281754e08ee4771412d9f4518b8b13ca22df9dadb44e1f2d1f2e493",
    "cross_cats_sorted": [
      "physics.plasm-ph"
    ],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2004-12-09T10:32:08Z",
    "title_canon_sha256": "f3a74dabc2781494112f63e7bfda27d3c20aa278b95ac28608517148829d5458"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0412053",
    "kind": "arxiv",
    "version": 1
  }
}