Pith Number

pith:R6B52AOB

pith:2011:R6B52AOB3W63M3HBVKKVULXT6T

not attested not anchored not stored refs pending

Penning-Trap Mass Measurements of the Neutron-Rich K and Ca Isotopes: Resurgence of the N = 28 Shell Strength

A. Lapierre, A. T. Gallant, D. Lunney, H. Savajols, J. Dilling, M. Brodeur, P. Delheij, P. Finlay, R. Ringle, S. Ettenauer, T. Brunner, V. V. Simon

arxiv:1111.1359 v2 · 2011-11-05 · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R6B52AOB3W63M3HBVKKVULXT6T}

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	2026-05-18T03:23:12.657328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f83dd01c1ddbdb66ce1aa955a2ef3f4d62f972422e10f910f239927bb8226a8

Aliases

arxiv: 1111.1359 · arxiv_version: 1111.1359v2 · doi: 10.48550/arxiv.1111.1359 · pith_short_12: R6B52AOB3W63 · pith_short_16: R6B52AOB3W63M3HB · pith_short_8: R6B52AOB

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/R6B52AOB3W63M3HBVKKVULXT6T \
  | 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: 8f83dd01c1ddbdb66ce1aa955a2ef3f4d62f972422e10f910f239927bb8226a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d57ab1e754888c79bc56238ff5877967eca2882af9e84801c2e7cec643eedacb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2011-11-05T22:37:25Z",
    "title_canon_sha256": "8e1d117a6d814afdb056416c87318bf1c854573ac937f438c5a6a99011ab38e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1359",
    "kind": "arxiv",
    "version": 2
  }
}