Pith Number

pith:7BGM4BES

pith:2026:7BGM4BESPSCLFCKVHYYGMHOS7G

not attested not anchored not stored refs pending

Nuclear Charge Radius of $^9$Be from Muonic Atom Spectroscopy Using a Microcalorimeter

Andreas Abeln, Andreas Fleischmann, Andreas Knecht, Aziza Zendour, Ben Ohayon, C\'esar Godinho, Christian Enss, Daniel Hengstler, Daniel Kreuzberger, Daniel Unger, Frederik Wauters, Gon\c{c}alo Baptista, Johanna Walch, Jorge Machado, Katharina von Schoeler, Klaus Kirch, Loredana Gastaldo, Marie Deseyn, Michael Heines, Michael Roosa, Nancy Paul, Nir Barnea, Nitzan Goldberg, Noam Burger, Ofir Eizenberg, Paul Indelicato, Quentin Senetaire, Randolf Pohl, Shihang Shen, Shikha Rathi, Sonia Bacca, Stergiani Marina Vogiatzi, Thomas Elias Cocolios, Tim Egert, Tim Redelbach, Ulf-G. Mei{\ss}ner, Weiguang Jiang

arxiv:2607.13690 v1 · 2026-07-15 · nucl-ex · nucl-th · 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{7BGM4BESPSCLFCKVHYYGMHOS7G}

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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	2026-07-16T01:23:01.202540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f84cce04927c84b289553e30661dd2f98f7fb2a4933c12f00f0e986cceeb8f51

Aliases

arxiv: 2607.13690 · arxiv_version: 2607.13690v1 · doi: 10.48550/arxiv.2607.13690 · pith_short_12: 7BGM4BESPSCL · pith_short_16: 7BGM4BESPSCLFCKV · pith_short_8: 7BGM4BES

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/7BGM4BESPSCLFCKVHYYGMHOS7G \
  | 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: f84cce04927c84b289553e30661dd2f98f7fb2a4933c12f00f0e986cceeb8f51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b578b3abc5362a3c38e46712f8e7457e420606cfec5d7d4e2001403a583439d6",
    "cross_cats_sorted": [
      "nucl-th",
      "physics.atom-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2026-07-15T10:40:42Z",
    "title_canon_sha256": "0b7764f9c71cfdd0299ba50557ec4ce6a4273aee7892d640e452794519f6ae1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.13690",
    "kind": "arxiv",
    "version": 1
  }
}