Pith Number

pith:JBCUTBBQ

pith:2025:JBCUTBBQ3O5VERJNZUML4CLWLL

not attested not anchored not stored refs pending

Two-step laser resonant ionization spectroscopy of chromium

Jens Lassen, Julius Wessolek, Maryam Mostamand, Peter Kunz, Romina Schulz, Ruohong Li

arxiv:2504.16067 v1 · 2025-04-22 · physics.atom-ph · physics.acc-ph · physics.app-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{JBCUTBBQ3O5VERJNZUML4CLWLL}

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	2026-07-05T10:52:34.893155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4845498430dbbb52452dcd18be09765ae06840b6038f9fa493061b642be31abe

Aliases

arxiv: 2504.16067 · arxiv_version: 2504.16067v1 · doi: 10.48550/arxiv.2504.16067 · pith_short_12: JBCUTBBQ3O5V · pith_short_16: JBCUTBBQ3O5VERJN · pith_short_8: JBCUTBBQ

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/JBCUTBBQ3O5VERJNZUML4CLWLL \
  | 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: 4845498430dbbb52452dcd18be09765ae06840b6038f9fa493061b642be31abe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65e523ded2f989ac0fa3297c57b5a86980db4010a71410fab16c60f50b5154c3",
    "cross_cats_sorted": [
      "physics.acc-ph",
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2025-04-22T17:46:56Z",
    "title_canon_sha256": "a643f1370e66c22b04b6af24e634a4b321322ae95e83f1b6572f6bf6f61b1589"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16067",
    "kind": "arxiv",
    "version": 1
  }
}