Pith Number

pith:BP4AYWHK

pith:2014:BP4AYWHK3FUCBRXX6CACMDCUFW

not attested not anchored not stored refs pending

Resonant photo-ionization of Yb+ to Yb2+

Gerd Leuchs, Markus Sondermann, Martin Fischer, Robert Maiwald, Simon Heugel, Vladimir Elman

arxiv:1412.6780 v2 · 2014-12-21 · quant-ph · physics.atom-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BP4AYWHK3FUCBRXX6CACMDCUFW}

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	2026-05-18T01:25:15.983676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bf80c58ead96820c6f7f080260c542db5aedb951857b646ef68a85a8745c48a

Aliases

arxiv: 1412.6780 · arxiv_version: 1412.6780v2 · doi: 10.48550/arxiv.1412.6780 · pith_short_12: BP4AYWHK3FUC · pith_short_16: BP4AYWHK3FUCBRXX · pith_short_8: BP4AYWHK

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/BP4AYWHK3FUCBRXX6CACMDCUFW \
  | 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: 0bf80c58ead96820c6f7f080260c542db5aedb951857b646ef68a85a8745c48a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ab6f1face1a1376863869516496fd37440842f661adfbe2bc9c06748b0bc8a6",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-12-21T13:20:01Z",
    "title_canon_sha256": "75e1d52a5ae667da72d2883ea7927301d93e5fcea85d624fbabe157ee2940222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.6780",
    "kind": "arxiv",
    "version": 2
  }
}