Pith Number

pith:R4RLED4G

pith:2015:R4RLED4GOCJJXFOBS3SH7YOKT4

not attested not anchored not stored refs pending

Probing the N = 32 shell closure below the magic proton number Z = 20: Mass measurements of the exotic isotopes 52,53K

A. Cipollone, C. Barbieri, Ch. Borgmann, D. Atanasov, D. Beck, D. Lunney, D. Neidherr, F. Herfurth, F. Wienholtz, J. Stanja, K. Blaum, K. Zuber, L. Schweikhard, M. Breitenfeldt, M. Kowalska, M. Rosenbusch, P. Ascher, P. Navr\'atil, R.B. Cakirli, R. N. Wolf, S. George, S. Kreim, V. Manea, V. Som\`a

arxiv:1506.00520 v1 · 2015-06-01 · nucl-ex · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R4RLED4GOCJJXFOBS3SH7YOKT4}

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	2026-05-18T01:59:54.352747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f22b20f8670929b95c196e47fe1ca9f2db3337f663c1970227a81958ac90cfd

Aliases

arxiv: 1506.00520 · arxiv_version: 1506.00520v1 · doi: 10.48550/arxiv.1506.00520 · pith_short_12: R4RLED4GOCJJ · pith_short_16: R4RLED4GOCJJXFOB · pith_short_8: R4RLED4G

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/R4RLED4GOCJJXFOBS3SH7YOKT4 \
  | 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: 8f22b20f8670929b95c196e47fe1ca9f2db3337f663c1970227a81958ac90cfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3fb5fd1fdb07be14d5232d935fcc34fcea99b4fa9c2f3aaf262b557fff1aaf3",
    "cross_cats_sorted": [
      "nucl-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2015-06-01T14:54:18Z",
    "title_canon_sha256": "8f7a9fc9cb7f3466714c75a45698d0ab8a12ac343c8239dc15000db39dda469b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00520",
    "kind": "arxiv",
    "version": 1
  }
}