Pith Number

pith:HZNGSLCQ

pith:2019:HZNGSLCQD36PNEIS7OTAC3IO54

not attested not anchored not stored refs pending

Detection of the $5p-4f$ orbital crossing and its optical clock transition in Pr$^{9+}$

A. Borschevsky, C. H. Keitel, H. Bekker, J. C. Berengut, J. R. Crespo L\'opez-Urrutia, P. O. Schmidt, T. Pfeifer, Z. Harman

arxiv:1910.09010 v1 · 2019-10-20 · 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{HZNGSLCQD36PNEIS7OTAC3IO54}

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	2026-07-05T00:28:25.090529Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e5a692c501efcf69112fba6016d0eef0229329790030710b967b2b05e459f4f

Aliases

arxiv: 1910.09010 · arxiv_version: 1910.09010v1 · doi: 10.48550/arxiv.1910.09010 · pith_short_12: HZNGSLCQD36P · pith_short_16: HZNGSLCQD36PNEIS · pith_short_8: HZNGSLCQ

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/HZNGSLCQD36PNEIS7OTAC3IO54 \
  | 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: 3e5a692c501efcf69112fba6016d0eef0229329790030710b967b2b05e459f4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e1fb998d024107922b7410e68aae9d041f905f47679ff2b9ec39ccf86c58e88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2019-10-20T16:17:02Z",
    "title_canon_sha256": "a330cdcf1b6709ef1d6200a287b59f0c55f5764c68b0dd5e759140c770dde67a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.09010",
    "kind": "arxiv",
    "version": 1
  }
}